From an engineering point and thousand of miles done in an N57 data-logging, I can tell you that Swirfflaps do not increase fuel consumption and are there only for emission purposes and that is to increase EGR gas flow at lower rpm'/load and in the cruise. Remove them in conjunction with EGR removal only and you will see massive gains in MPG. Swirl flaps should not be removed while EGR is still functioning

@GeorgeAusters

3 жыл бұрын

They do. Tried and tested by myself👍🏻

@rinorjanuzi2100

2 жыл бұрын

I deletet my egr and mapped it but I didn't not remove the swirl flaps now on cold start engine will shake and vibrates do I need to remove swirl flaps and mapped them (N57 engine )

@dimitrifleitman385

2 жыл бұрын

@@rinorjanuzi2100 thats probably your glow plug module causing the engine cold start shaking...

@rinorjanuzi2100

2 жыл бұрын

@@dimitrifleitman385 yes that's was it

@piovo5222

2 жыл бұрын

@@GeorgeAusters one question, why do the lower power models such as 318d 116d 118d not have swirl flaps?

Swirl flaps don't increase the amount of air into a cylinder when closed, what the swirling air does is improve fuel and air mixing partly as a result of the angle it enters the combustion chamber (like you said) but also because of the increased air speed, which helps light throttle emissions, power and economy.

At what sort of mileage do the flaps/rod generally start causing problems? I have a 74,000 mile car here. Great video by the way.

I've got an N47 with the brass bar going through the intake for the swirl flaps. The end flap was badly worn: where the bar goes through, as if the flap was stuck and the bar wasn't, causing friction/wear on the plastic flap. It was so worn that it was about to fall off. Luckily we spotted this beforehand and removed the offending flap. 135k on the clock.

Loving your videos, very informative and well explained. I have the m47tu2d20 and has had the flaps deleted. I cant find anywhere if the actuator its self should be deleted and the wiring capped off. Would it throw up a fault??? or just best to leave in place.

Thank you, this video answers my question in the previous video 😁👍

First time seeing your videos, subscribed!

Great video I learned a lot from your stuff George keep it up. My personal opinion delete them swirl flaps. Yes there is a good reason for them being there but the potential damage they can do if they fail out weights the benefits. 100% delete them! I’m saying this cause The bar wore out and broke on my n47 and destroyed anything and everything to do with the cylinder that ate it. Could have saved a lot of money and still had a fully functioning car if I had deleted them earlier

love your vids bro keep up the good work ther allways helpfull

@GeorgeAusters

3 жыл бұрын

Thanks bro

I was about to remove swarl flaps over the lock down situation. Thanks for that Grorge.

@aam77

4 жыл бұрын

Same here man. I will however, take the manifold off and clean it.

Good informative video chap. Pip pip cheerio .

Hi George what happens if you just take the intake manifold off and spray with cleaning liquid and just jet off, will this be very safe.??

Great video! Thanks for sharing. Glad I didnt do mine now 👍😁 definitely going to check out the EGR and give it a clean next cheers. Subscribed 👌

@GeorgeAusters

4 жыл бұрын

No prob, glad to have you on board Mark!

Great video as usual George...very well explained

@GeorgeAusters

4 жыл бұрын

Thanks Stephen, appreciate it!

Thought I recognised the name, thanks for the comment on my upload George. I appreciate what you're saying with this one, but it really doesn't apply to my 330D as you recommended. And with the correct coding out and remapping, the car runs 100% better than it did. The restriction of air flow over the flaps was quite unbelievable in my opinion, removing a combination of parts (EGR/Swirl Flaps/DPF(if you choose) can prevent you from having to fork out on HUGE diagnostic & repair bills.... ever again. It all depends on what you are comfortable doing at the end of the day, and I have no regrets. The car feels amazing. Keep up the good work mate.

@GeorgeAusters

4 жыл бұрын

No problem my man. Likely worth removing on the M57 engine but not the later N57 engine. You’ll notice a big increase when you remove EGR and remap yes but do that first and then remove the swirl flaps and you’ll notice the drop in low down torque and MPG overall 👍🏻

@JaseWilks

4 жыл бұрын

@@GeorgeAusters Its not exactly a huge loss of low down torque. and that can be compensated for in the map. The fact is George, its a matter of opinion, you lose a small amount of torque and some MPG and gain more power and A LOT of money in your pocket from not having to take it in for a costly repair. I've been in the game a while mate, I know how car manufacturers work LOL

@GeorgeAusters

4 жыл бұрын

@@JaseWilks I'm not saying don't get it remapped but you're going to lose low down torque and MPG whether it's remapped or not. Like I said.. I would probably recommend it on M47 and M57 but no need on the N47 and N57 mate

@JaseWilks

4 жыл бұрын

George Austers I don’t want to sound like a dick, mate.. but I beg to differ considering my flaps&housings had already started cracking (may be a one off) But that a side. From a preventative maintenance point of view. Removing them, along with the egr. Saves you from having these issues in the future. It’s a common fault on BMWs and a trip to dealership will be VERY expensive. Spending £600+ on one part + labour, on a 10 year old car seems a bit ridiculous. Especially when it’ll just happen again. Keep it up my man 👌

@herobo123456

4 жыл бұрын

So you're one of these selfish people who doesn't give a shit about the environment, yeah you just remove all that,they only put it on for a laugh at the factory, fuck everyone else except for yourself.

Nice one. Learned something new about physics :)

Worth mentioning my 2011 n47 d20c has separate swirl flaps between manifold and head, bmw call it a “gasket” but it contains the flaps and shaft. Easily replaced for £25-50

@brarautorepairs

Ай бұрын

Yes, I'm doing the replacement now and it is basically built into the gasket. The design is much better and the software also is improved to prevent the breakage by looking at the voltage at the motor. If it detects a large voltage or current draw, then the flap is disabled. Carbon basically is preventing the flaps from opening properly. I have a garage full of black carbon. Who thought this was good for the environment needs to be bought in front of a congressional hearing! The emission standards don't take into account of the impact of actually replacing all these parts? What about the economic impact? I'm sure the average car owner would has to pay a dealership to replace the intake manifold would just toss the car out after a few emission part failures. Look at the owners manual for the diesel - in Canada - it says replace all the emission related parts at 160,000 Kms! Yes, the NOx and O2 sensors are included in the regular maintenance with the text saying the emissions will increase past this point. This is rediculous. We need a law for emission parts to last the life of the car or to be fixed by the manufacture. Watch how quickly the life will increase of the parts.

My BMW independent mechanic mentioned a manifold leak (not sure from where but there is lot of carbon soot built up around manifold & cover). My 2008 X3 E83 N47 2.0d is showing 3 glow plugs faults, so while we are replacing Glow plug might get manifold replaced. Was going to order cheap Manifold without flaps from eBay but he advised to buy one from reputable parts supplied with flaps and actuator motor given Genuine costs $2.5k in Aus. So after having seen your video it explains why he asked me to stick to original setup. Very nice animation by the way. You X3 N47 videos have really helped me understand how my car drives. Hopefully with your helpful advice and Timing chain hanging in there, I can get from 200k km to 250k before I dump this car. Not sure if I want to touch any of injectors just yet, one of them is starting to leak very slight diesel though)

@GeorgeAusters

9 ай бұрын

It’ll be at the front, there is a bush that wears. You either need to replace the manifold or remove the swirl flaps

@MilanPatel09

9 ай бұрын

@@GeorgeAusters ordered $600 manifold with new actuator and flaps. Let's hope old glow plugs come out intact 🤞 amd and new manifold fixes the exhaust leak.

Good job! You've got a new subscriber!

@GeorgeAusters

3 жыл бұрын

Thanks man🙌🏼

I just bought a 2010 320d, so later manifold with the better design. Can I just replace the rod and flaps? The engine is on 201k! Drives nicely, surprisingly quiet and smooth.

Great info

Thank you, that helped me a lot

@GeorgeAusters

3 жыл бұрын

zdrgdr Thanks man, and thanks for donating to the channel👍🏻

Preparing to delete the swirl flaps on my 2004 X3 M47. Would much rather have a drop in torque than a grenaded engine.

Let's also mention that these swirl flap round gates falls down from the tube and enters the engine combustion chamber, unless you're lucky enough where they get stuck right before the engine valves. When tuning my bmw at some point I had to remove the EGR and also remove these swirl flaps, So when I checked I found two swirl flap gates were already stuck and could destroy my engine at any time, luckily I removed them In the correct time.

Driving nearly 3 years now with deleted swirl flaps on my N47 123d No problems at all. And Mpg are the same. And if your car pulls on high revs bad, this is definitely problem not in swirl flaps 😁

Man, what a legend you are ......

@GeorgeAusters

4 жыл бұрын

Appreciate you watching man!

Ikke enig med dig i, at bilen trækker dårligere ved lave omdrejninger. På min f01 740d xdrive 2014, er der ingen forskel på træk ved lave omdrejninger. Bare fjern dem, de er kun til for miljø krav.

Very good content 👌

@GeorgeAusters

4 жыл бұрын

Thanks bro

Great video have you done one on cleaning the intake manifold

@GeorgeAusters

4 жыл бұрын

Thanks! I have indeed👍🏻 kzread.info/dash/bejne/eI52ra-HgtSxgZs.html

Good, subscribed

Does anybody know what is the position of the flaps when the engine is off? I have removed the actuator first and then I struggled a bit with the intake manifold so when I got it out the flaps might have turned. Now I'm not sure in what initial position should I put it back - the square rod allows shut or open initial setting. Another question, did anyone reset flap actuator adjustment/resetting with ista?

I've got N47 130kw swirls removed and dpf regeneration occurs frequently . Almost every 200km in city on short journeys... 149K km on the clock

@zoebalbaert2136

3 жыл бұрын

Check your coolant for leaks and correct coolant .. somethings caussing thé dpf to clog up very fast

@benkr5870

Жыл бұрын

Maybe because you have removed the swirflaps butt your egr is still active..so if you drive low rpm all the time the burning is bad and if the burning is bad you will have black and bad exhaust smoke what will block your dpf so now it regenerate more! It just a theorie,I am not sure

Good info...🙏👍

Great news for my ,Thanks .

@GeorgeAusters

4 жыл бұрын

No problem man

hi, how does the part called which is transfer movement from the actuator to the leaver? i have issue with that part which need replacement. thanks.

I've ended up here after some weird issues with my 640d. Having to start the engine twice to get out of limp mode every time without failure. Invested in an ENET cable and got a copy of ISTA+ I've got this showing "The monitoring detects two possible fault causes: - Detection of a broken lever between swirl-flap controller and swirl flaps. - Detection of excess wear of swirl flaps kinematics." Then in another place I've got the following: Actuator position: -4.75% Actuator Desired position: 5.01% EGR position: 0.00% EGR activation signal: 0.01% EGR Nominal Value: -9.99% How big of a job is it to get that inlet off? The car had the EGR done under warranty about 2 years ago.. I noticed darkside developments have inlets for £200 so tempted to give this a blast myself

M47 / M57 = immediately remove Swirl valves N47 / N57 = check condition

@mateuszjeziorny6215

2 жыл бұрын

Bullshit, you just need to keep them clean. It is quite easy to remove intake manifold in M47/M57 engines, you need to remove it while replacing glow plugs, it is good opportunity to clean intake manifold and check swirl flaps condition. Done it twice. There is also an option to replace intake manifold with reinforced (brass) swirl flaps, and that's what I would suggest in older engines.

@IC.XC.NI.KA.

2 жыл бұрын

@@mateuszjeziorny6215 Where would one find such reinforced swirl flaps?

I have the m57 with removed swirl flaps. The by the seat of my pants dyno I have not noticed any gains or losses

Hi George could you show a video of how to replace the swirl flaps please

So what if I do a egr bypass will that affect anything I have a n57 engine do you think I xhould do a swirl flap delete on 130k let me no thanks

Thanks for the video, i have an E82 with the N47D20C 143hp, and i was thinking about removing the swirl flaps, i will just clean the intake manifold.

@GeorgeAusters

4 жыл бұрын

Your 118D may not even have swirl flaps

@JoaoMadeiraDesign

4 жыл бұрын

@@GeorgeAusters probably.. when i was looking for the kits on eBay some were saying it wasn't compatible, even though the spec was the same. I'll just get an EGR delete kit that i saw, i already have a spare dpf without the particle filter inside (i kept the catalytic part) and i'll remap it all at once.

@GeorgeAusters

4 жыл бұрын

@@JoaoMadeiraDesign Have you seen my video for the EGR delete?

@JoaoMadeiraDesign

4 жыл бұрын

@@GeorgeAusters just went there to check it out. Thanks for the videos, it's a great help.

Good info. The flaps also cause the air speed to increase which aides mixing

@joesaric1

3 жыл бұрын

just try to rotate the water in the bottle to get it out and you will see its going faster when swirling

@MrHBSoftware

2 жыл бұрын

mixing? mixing what? its a common rail direct injection diesel...mix the egr with the fresh air maybe?

I would like to call you BMW legend... Than a doctor... The way you explain is excellent, and each and every sentences u said in a order, are the concerns raised one by another. Carry on... Big fan of you...

@GeorgeAusters

3 жыл бұрын

Thanks man 🙏🏼

Hey pal any chance you have a link for upgraded intake manifold for bmw f30 2012 N47

Very informative video George However, my concern is that I currently have a 2014 facelifted 530Dthe N57 The car is one owner has been serviced regularly at BMW but since I’ve got the ownership I am planning to do the oil change every 7000 miles or so, but the thing is should I be concerned about the swirl flaps issue because the car currently has two years warranty with the dealership that I’ve got from, but I rather not have things going wrong with the engine as it’s absolutely perfect with no codes whatsoever on the scanner And ive done 7000 miles since I’ve got the car, so my question is should I be worrying about swirl flaps at this stage and I’m planning on getting the car carbon cleaned just be extra secure but is there a chance that they could still fail.. I do occasionally put the car in sports/sports+ just to other get a smile on my face, show off to mates the insane torque, sometimes do traffic light style launch, but I always do take care of it and engine it’s looked after and I’m at 60:40 Motorway:City driving ratio The car is currently at 88k (was 81k when I got it)

Hi George, nice video defo learning from this. I am wondering what is the error code for cleaning or faulty flaps? I have this code: 24CE00: Hot Film air mass meter: Ratio of measured to calculated air mass too high. From your explanation, if feels like it is related to my code issues.

@e60tube90

2 жыл бұрын

clean the airmass sensor easy peasy

Appreciate this is an old post but I read all the horror posts on this and was about to get my 07 bmw 320d swirl flaps removed at 73k glad I didn’t. Should be safe at this mileage surely with fsh at BMW surely?

The best way is to replace the intake manifold with one without swirl flaps,example E60 or e90 325D ,525D facelift have a intake without and can be fit on all M57 - bolt on.

@Assimilator1

8 күн бұрын

Didn't you mean N57? Anyway, no, the best way is to get a new manifold with swirl flaps, it's just that their stupid money! As George said, removing them means losing a little torque and MPG on light throttle, low revs.

Greetings from Spain, thanks for your contribution. I have an N57, I have problems with smoke and cold breaths when starting the car, I have changed injectors, heaters and heater unit but it is not solved. In the diagnosis the error "004DFF SWIRL-VALVE CONTROLLER POSITION CONTROL" appears, I don't know if this could be the cause. If I remove the SWIRL-VALVE, will the error appear or do I have to code? Thank you so much

@DrSanderss

8 ай бұрын

Hey! Did you manage to fix the smoke and 004DFF issue? I have the same problem and wonder how did you fix it!

I have 525d LCI 07`,and intake manifold don`t have swirfflaps.

Great Video, Can you make video for Changing Injector on N57. for 2015 X5D

@GeorgeAusters

4 жыл бұрын

This is the exact same mate👍🏻 How To Re-Seat Diesel Injectors | Prevent Black Death kzread.info/dash/bejne/i6uupLWoYZrOlZc.html

@ln5185

3 жыл бұрын

@@GeorgeAusters I have a 525d e60. If 1 injector is not working, then I have to change just that one or entire 6 injectors?

At how many kms do you recommend doing the cleaning?

From what I heard, it's not only a hardware mod. You need to do a swirl flap software delete too.

I wonder why BMW decided to make the manifold rod out of brass? I can only assume it was for good corrosion resistance but has lower strength and elasticity than steel, I can only assume that it was for brass being easier to cast...

Hey mate lovely content i deleted my swirl flaps on n57 and mapped it to know about the delete but now the car is not responsive at all and also given me some faults for egr bieng stuck open is this fault coming becuase of the swirl flap delete? I have ordered a new inlet now as the car litterally has no power low down in the rev range? Any advice will be great love the content!

@GeorgeAusters

2 жыл бұрын

It’s why I said not to remove them in this video

@alexxismalavaz8402

2 жыл бұрын

Did u remove egr?

how many miles would you say it takes for the rod to become loose ?

Wondering if I should buy a e91 with 200k miles n47 2007 318d. With that many miles I suppose the timing chain has been changed. Do you think it's still a decent engine at that mileage?

@GeorgeAusters

4 жыл бұрын

You can maybe get another 100k miles out of it but expect needing to replace most of the bushes etc at that mileage

finally! Most of people told me to remove them but i knew bmw engineers put them for a reason and uve explained it. Thank u for the explanation George! greetings from abroad

@GeorgeAusters

4 жыл бұрын

Glad this has helped you man. A lot of misinformed information on the internet 👍🏻

@alexpencu3471

4 жыл бұрын

Good luck when the shaft remained in the blocked position, and you have no power no preasure in turbo, the dpf does NOT regenerate, gets dirty, and then people from bmw shops tell you that new air intake (only oem) its 900€, plus the dpf clean 200€, turbo clean 200€, and nasty egr full of unburned diesel gets stucked. All of this or a 50€ euro deletion mode👍

@GeorgeAusters

4 жыл бұрын

EGR removed 👍🏻

Can the M swirl flap or manifold be swapped for an N one?

This with screws falling in to engine is bit of a lame. - throttle bodies flaps are since beginning of time held by screws and usually what is done is that you "punch" in back side of your screw and there is nothing that can "unscrew" it. Screw becomes bit notched and does not come out if you do not grind it off. Oil catch can should help to minimise soot build up, and skip annoying intake manifold cleaning. On my Pierburg intake manifold screws are glued and they do not come off. I think I can only brake them.

Top class ,

I have just had a recall on my EGR done. Loss of power in the next week and diagnostics saying swirl flaps. Could this be linked the the EGR recall replacement at all? Cheers

@GeorgeAusters

10 ай бұрын

Potentially.. your old EGR valve may have be stuck closed and now the new one is allowing exhaust gases through and your swirl flaps could be blocked up

I have a 2007 audi a5 3.0 tdi. Ive been quoted £1300 for 2 new intake manifolds as the swirl flaps on one side have failed. seems excessively pricey considering the car isn't worth much now. do you know if the flaps on my car are screwed onto the rod and risk falling into the engine?

@blektheone17

3 жыл бұрын

you can buy remanufactured used -> cleaned manifolds with betters rods and everything for like 1/3 price, I did this with my om642 320cdi (benz) for better fuel effiency and lowrpm torque. like this (szivosor.hu/_files/system_preview_detail_200000356-985af99568/20160829_074732.jpg) this is for V6 3.0 TDI vw/audi

Could you fit an intake manifold from a newer N57 to an M57 engine without any hassle? To get swirl flaps the safe way :)

@GeorgeAusters

2 жыл бұрын

No

Should you carbon clean a n57 engine?

My 120d was lacking power until one day it blew some black smoke out and now it’s boosting nice? Any ideas what it was thx

@GeorgeAusters

3 жыл бұрын

Possibly blocked exhaust

George (when your back from the ring) I need your help along with fellow youtubers when it comes to N57 inlet manifolds!! My colleague was quoted £800 to replace his inlet manifold on his 2011 330d motor due to fault 24CF00 coming up relating to mass air flow. I decided to help him and remove the manifold to remove the carbon from the swirl flaps yet the fault code is still present straight after clearing it. I am convinced its the MAF sensor that's at fault but need some guidance from the gang.

@GeorgeAusters

Жыл бұрын

Is there a hole burnt in the manifold? The EGR valves can stick open and burn a hole in them. I’ve never seen a MAF sensor actually fail but could still be at fault or it could be o2 sensor related.

Hi, I have a mk6 golf 2.0 TDi 110 bhp. It starts up fine but after a minute it idles very rough (car shakes, headlights flicker, revs drop...sounds like its going to break down) for about 5-10 mins. Once it warms up, it runs fine, drives fine and doesn't smoke. Had a engine light on, code stated it was the swirl flap motor. So got a swirl flap delete and an egr delete. Now no engine light, but the problem remains. Any advice will be greatly appreciated. Thanks, Sid.

@mwhiteley4350

10 ай бұрын

EGR, glow plugs, injectors

@sid7532

10 ай бұрын

@mwhiteley4350 A dpf delete has been on the car, so I can eliminate that. But I will look into the glow plugs and injectors. Thank you for the advice.

B37 engine on 2016 BMW 116d 3cylinder diesel engine... should these be removed? When done, car lost power at low revs (stuck at 70bhp/160Knm torque)....diagnostics fault reported on swirl flap motor

@GeorgeAusters

3 жыл бұрын

Absolutely not, no need to remove on your engine

@kevinrabela9634

3 жыл бұрын

@@GeorgeAusters at 44k miles they were clogged with carbon and flaps only were removed. My question is now that its done, and motor rotating a shaft with no flaps, car still throws a 2C3200 error that seems to create an issue with lower mpg and limp mode (car sluggish) .... have you encountered this?

confirm...i remove my swirl flaps on bmw 3 serie 320d ED....from 7 fuel consume in city ....now is 10....and under 2000 is so slow ....i remove them because when i clean'd my admision...2 swirl flaps were in the engine ....and they didnt get to the engine because of the carbon from the walls...i have pictures..

@IC.XC.NI.KA.

2 жыл бұрын

But did you gain torque in the upper RPM? I câștigat cuplu la turații mai mari chiar dacă ai pierdut cuplu sub 2000?

I have the m57... if I remove the swirl flaps... what else must I remove/do. Will it still pass mot emissions?

@marchoska917

3 жыл бұрын

egr,dpf

I already put them out in my m57d25, so if I understand you correctly its not good to take them out in the n57 because of losing Power

@GeorgeAusters

4 жыл бұрын

You’ll lose low down power in any car you take them out of, but they are problematic on the M57 engine

@AZG1164

4 жыл бұрын

@@GeorgeAusters The question then is: How much power are you sacrificing down low? I know you've mentioned that several times, but please quantify that with stats. Its seems reasonable to me that remapping could compensate for most, if not all, of that "lost" power.

@blektheone17

3 жыл бұрын

@@AZG1164 remapping could compensate, but do yo have a DPF with m57? bcause without swirl flaps - it makes a lot more smokes at low rpm, and your system and dpf wont like it, it will cause more frequent dpf cleanings, maybe dpf problems in long term.. and diesels likes to run at low rpm.. as you know.. but if you dont have a DPF, then... its your choice, but I hate when I dont have low rp torque especially when.... 3000ccm...

@IC.XC.NI.KA.

2 жыл бұрын

@@blektheone17 Wrong! Diesels like high rpms...

Thanx. Finaly someone who sayd the truth about it

@GeorgeAusters

3 жыл бұрын

Welcome man!

They are there for low emissions same as the egr They re just done so they pass euro 4

@theeroom

3 жыл бұрын

And for fuel to burn efficiently, hence the swirling effect, better combustion = more power

BMW 116D 65 reg. Are the swirl flaps held on with screws or rod like the one shown in video?

@GeorgeAusters

4 жыл бұрын

They’re held in by a rod but they’re on the OUTSIDE of the manifold so can be replaced easily

@jaleelaslam7341

4 жыл бұрын

@@GeorgeAusters just to confirm this is the 1.5 diesel 3 cylinder??

An explanation that everyone can understand. I come with an incident and a question at the same time. I took out the intake manifold, cleaned it and changed the flaps, all 4 were broken, 2 I found in the intake ports, I don't think the engine sucked them, I didn't find any pieces from the 2 flaps, I put everything back and it works without problems It is a BMW f30 engine, xd, 184 hp, 2014, n47 d20c Do you think they were chopped, ground, burned and put out on the exhaust, without affecting the engine???????

@GeorgeAusters

Жыл бұрын

Hard to say without looking into the cylinders

Weary good explanation . It’s good to know the function the part serves before deciding to remove it completely. Surely bmw didn’t put them there without the reason . On older engines they probably would need to come off cose of design flaw , but with never engines I totally see no point doing this - just clean them instead .

@milanneuvirth6691

3 жыл бұрын

Some versions of N47 18d doesn't have them from factory. I removed swirl claps from around 150 intake manifold trought the years. Nobody complains

What's my best option with an 08 plate 530d? What type of swirl flaps do I have. Can anyone help?

@mindaugas330

3 жыл бұрын

You have m57 engine. Remove the flaps and use blanking plates.

What year what this off as I have a 2013 pre face lift and I’m sure the seals are different

@GeorgeAusters

7 ай бұрын

Yes you have the N47D20C engine with replaceable swirl flaps

you learn something every day , but i still don't thing the updated manifold is "much better" better maybe , the screw never feel out of a carburettor flap why did they on bmw's swirl flap

@puukkoallu333

3 жыл бұрын

Carburettor flaps and swirl flaps.. There is a big difference. Plastic flaps inside of plastic intake manifold with relatively hot operation conditions, egr gasses passing true and carbon built up. Nothing last forever

@supermarketsweeps

3 жыл бұрын

@@puukkoallu333 yes i understand , but why build things so bad also unrepairable and gets better when it falls apart and terminates your engine

After I lost power on my 2015 640d it was thought to stem from a heavily coated intake manifold and swirl flaps. I was advised to do a swirl flap delete. Massive loss in low end power after the removal. I’m contemplating just buying a brand new intake manifold in the hope it returns it back to normal …

@GeorgeAusters

2 жыл бұрын

Yep exactly like I said in this video

@emma123461

2 жыл бұрын

@@GeorgeAusters wish I’d watched this beforehand! Oops, would a replacement genuine BMW intake solve the issue you reckon?

@GeorgeAusters

2 жыл бұрын

@@emma123461 Yes

@emma123461

2 жыл бұрын

Lots suggest to just do an engine remap after the delete, to be honest I think it’s just more modifications and a 50% increase in Insurance after looking at the comparisons sites too!

If you remove the flaps, does it need a software removal also in case that you do not want any dtcs?

@GeorgeAusters

3 жыл бұрын

Yes

Can I buy separately swirl flaps or rod only from anywhere for my BMW rather to buy whole system?

@GeorgeAusters

3 жыл бұрын

Not on the N47D20A engine no

@gazwright205

3 жыл бұрын

@@GeorgeAusters hi mate.can you please give me some advice in regards to my swirl flaps? I have a astra h mk5 cdti 1.9. Stage 1 remap Egr blanked Complete new inlet manifold Would i need to remove the swirl flaps? Thank you.

You sure it's more air or do you perhaps mean better mixing of the reactants so better/even/cleaner combustion.... hence why you noticed 5mpg loss. Good stuff tho and thank you for the like :)

@SW-qr8qe

3 жыл бұрын

You sound like a Mechanical Engineer to me. I was about to write the same post.

If they tend to break, disintegrate and get inside the chambers then spending 140 quid for a peace of mind is not a stupid idea.

I’m deleting my swirl flaps (M47) just order the kit then EGR and DPF Delete with full stainless straight through exhaust and a K&N replacement air filter and a stage one remap

@GeorgeAusters

4 жыл бұрын

Hope it all goes well mate! Very common for swirl flaps to fail on M47👍🏻

@JLP1992

4 жыл бұрын

George Austers I’m driving round crapping my self as well as hoping and praying they don’t fail just yet it’s done 200,000 miles 😬

@GeorgeAusters

4 жыл бұрын

Remove the intake manifold and inspect them mate!

@benjaminkluge7897

4 жыл бұрын

I'm seriously considering the same thing on my 335d... Will it pass emissions after all of that is deleted and the ECU is tuned?

@GeorgeAusters

4 жыл бұрын

@@benjaminkluge7897 Are you in the UK?

Swirl flaps also control lower emissions and low revs. I won't take risk of leave them in regardless. I've replaced my entire inlet manifold from BMW 2014 only done 25k and its already the swirls flaps are leaking oil and looks doggy.

@patkelly9907

Жыл бұрын

20 years or so when bmw put them in the e39 they said they were there to control the amount off air going in to the engine which when closed the engine would stop quicker also on tick over the engine ran much smoother Does anyone remember a tv program were they sat a full glass off water on the engine and it didn't spill with the engine

@patkelly9907

Жыл бұрын

There can't be oil in the manifold unless the breather filter is blocked it will draw oil fumes in to the turbo and block up the manifold plus the EGR valve plus all the filter on the exhaust system( badly serviced)

Do you know if I can buy the rod separately and change it?

@GeorgeAusters

4 жыл бұрын

No you cannot

@Cy4niide

4 жыл бұрын

How much will the whole part cost? I think a small arm on it of mine broke...

Thank you man

@GeorgeAusters

4 жыл бұрын

You're welcome, thanks for watching!

Can my 2008 120d swirl flaps be removed

@okiedokie2557

3 жыл бұрын

Yes remove it asap

6:41 isn’t it possible just to replace the rod and swirl flaps? Why the need to replace the inlet manifold if it’s just the rod and swirl flaps in question.

@GeorgeAusters

Жыл бұрын

There’s no way to replace them without splitting the manifold

i had flaps removed and EGR programmed off my w202 220cdi mercedes when i buy it, and car was in winter like freezer, engine doesn't produce heat, and turbo doesn't spool up, after new used intake and EGR againon car is WAY MORE comfortable, i know egr shits intake inside, but least i have warm inside, and turbo spools nicely again, and have very nice torque peak, 0-100km/h in 8s

Will agree yet i can see is allready leaking at the outlet of rod near the actuator motor. And for that reason i threw away mine since the seals are not replacable . The leak get worst Once you clean it and get codes for air charge pressure. I did not notice any low rpm change car has more boost and goes faster when reved change is all positive . Anyhow who drives diesel below 2000 and kill his DMF.

@GeorgeAusters

4 жыл бұрын

Why will driving below 2000rpm kill the DMF?

@adamproperdouble2094

4 жыл бұрын

George Austers Low rpm cause excessive vibration and that is when flywhell work at most and put a strain on it as it try to minimise them plus turbo is not running at all or not in Full range . For turbo to be heatlhy is good to use it in all rev range so the geometry dont cut in one spot only. So all diesel owners give it a blast and work that turbo engine to burn dpf off.

@GeorgeAusters

4 жыл бұрын

I don't have a DPF on mine. I don't ONLY drive below 2000rpm but I need to get 50mpg so drive quite economically for normal driving

@adamproperdouble2094

4 жыл бұрын

George Austers push it sometimes to 3500rpm on all gears and i mean Once a day when worm to extend turbo life , lucky you have No dpf . Another positive change since flaps are gone it reach temp a lot quicker in winter.

@martinkulik9466

4 жыл бұрын

people like u don't know the engine and then they dont know how it drives. mine swirls were removed and car feld dull. i had them reinstalled. I felt difference. is it safer removed? it is, but I still keep them in place

You can buy new set of flaps with shaft and carrier fo £48,so no need to remove it. Mine still looks good with 105000 miles on it though.

@GeorgeAusters

3 жыл бұрын

Not on the N47D20A engine you can't!

I've just had mine removed on my m47, and noticed a massive difference in no low end power 😭🔋

@GeorgeAusters

3 жыл бұрын

Yep!

@michal5052

3 жыл бұрын

Me too

should i delete swirl flaps on my bmw 118d with m47 engine ?

@TheSniperdude45

3 жыл бұрын

should i take that as a yes ?😅

Thanks George. Great effort. I was wondering whether or not the aliexpress chinese knock offs would be a reasonable replacement?. $300aud compared to $1700aud for genuine :-)

@GeorgeAusters

2 жыл бұрын

I wouldn't use chinese

what year is your car thank you.

@GeorgeAusters

3 жыл бұрын

2008

Wow nice video are in uk where abouts are you can you do my car

Would an M47 520d suffer power loss or mpg loss after removing swirl flaps?

@jamiemason9938

3 жыл бұрын

I have m47 engine. They are a different swirl flap setup there is no change with n47 engine after swirl flaps 'removed just a prevention measure

@justmemyselfandi5532

3 жыл бұрын

No if you get your self different turbo that spools earlier than factory model. Some of them spool quite good from 1200rpm, so if you like to experiment, that is the way you should go, or just leave these flaps there. If you have tons of soot on them quickly build up you have bigger problems to sort out, than swirl flaps. Properly functioning diesel engine shall run for many many happy miles as long as combustion is not to rich, or inefficient.