4:35 these batteries were made to squeeze into the 1 series shell for the trial of about 1000 or so vehicles. Mass produced batteries aren’t so bespoke, like the i3.

For quick reference: BMW E82 1 Series Active E Model Year 2011/2012. Keep in mind, these cells are about 10 years of age in 2021. Rear module - 6 blocks: 4x 5s2p + 2x 4s2p - totals 28s2p, about 103 V, 80Ah, about 8.3 kWh Front module - 6 blocks: 2x 5s2p + 3x 4s2p + 1x 3s2p - totals 25s2p, about 92V, 80Ah, about 7.4 kWh Tunnel module - 13 blocks: 1x 5s2p + 2x 4s2p + 10x 3s2p - totals 43s2p, about 160 V, 80Ah, about 12.7 kWh Total is 7x 5s2p, 7x 4s2p, 11x 3s2p = 96s2p (192 cells), about 28.4 kWh. Cells are prismatic cells: 40 Ah / 46 Ah of early NMC by SB Limotive (Joint Venture of Bosch and Samsung SDI). By rearranging the modules, one cat get a 14s 12p battery pack (24.8 kWh) out of this, which is on the usual 48V / 51.8 V level that many DIY and solar workers are familiar with. All figures are stock, when the pack was new before degradation happened. In 2021/2022 it's probably more like 70-80% of these figures.

Thank you David for all the hard work you had to do for this video. It was very interesting to see how these were put together. And mentioning that something is very heavy gives an insight that you don't realize by just watching. Great Job!

To all the folks commenting in the “ridiculous” engineering, and how “nobody does this”… Realize these are from an older PROTOTYPE vehicle.. it was a TEST MULE, not a PRODUCTION vehicle. Even the Mighty Tesla did not get their early prototypes perfect. They had to test, learn, change, perfect, rinse&repeat.

@DavidPozEnergy

3 жыл бұрын

Excellent point

@XTreMe2k6

3 жыл бұрын

Ernest you are the real MVP. You are the first one to figure out that this is not "tYpICaL GeRmaN OvErEnGinEeRing" and hop on the bandwagon to bash them. this battery is from 2011 from a 1 Series Active E.

I really enjoyed your fun disassemble process!

Awesome tear down. Appreciate the follow up video and all the effort you put into your channel. One of the best channels on the net. THANK YOU!

@DavidPozEnergy

3 жыл бұрын

Your welcome. Thanks for watching.

great content Dave, the one video ur fans are waiting for is a battery build-up with all those juicy BMW MODULES...please keep them coming

Fascinating breakdown, thanks for showing it. So little thought for parts commonality, makes you wonder if they really deserve their premium price tag. Sure more engineering and manufacturing hours went into it, but maybe not for the right reason.

Man, that plywood is worth as much as the batteries!

Glad to see you had as much fun as I did! Lol! I kept the steel from them and using different parts on other projects. I also had went ahead and bought enough to complete 8 48v batteries. I have the dally bms for them. I haven’t had time to assemble them yet, but I’m looking forward to the build. I also kept the cooling part and plan to use them to maintain temperature.

the build quality is insane on them

That is so amazingly complex compared to the Volvo and Smart Fortwo batteries that I've taken apart! 1 cell dies and the car is essentially totaled. Awesome video!

What a great breakdown! Way above my understanding (so far!) But just from the design.. placement and orientation of everything perspective, its fascinating! Makes me think it went through dozens of engineers, each one adding their own "it needs this" & "its gotta have that" crazy!! And how many different types and sizes of fasteners and screws were used?? Anyway, looked like it was a fun time. thanks for sharing!

Active E was the prototype vehicle preceding the i3 and i8 where BMW were testing the tech for the first time. All the tooling was new hence the overbuilt nature of the construction.

@oshavlfarms7239

3 жыл бұрын

I doubt it was simplified much, anyone who has worked on BMWs will tell you that's pretty standard practice.

@XTreMe2k6

3 жыл бұрын

​@@oshavlfarms7239 Hey, i work on BMWs on a regular basis, i own an i3 and 335i and they simplified the battery design a lot with the i3.... and is even more simplified on the iX and i4

Great video!

Great video, you need a flex drive extension for reaching the little corner. cheers

That was great man. 👍

@DavidPozEnergy

3 жыл бұрын

Thanks

Love your glee.

It is good to have a thermostat connected to your control unit (Arduino) that would shut down the system if the ambient temperature goes above or below the ratings of the battery.

some of the Baterry hookups BMW lithium were from test vehicles with I 3 and I 8 ev components but the cars were normal-looking existing BMW models just electric (heard it was run for two years and then disassembled). BMW sells the surplus's batteries on the recycling markets. My I3 module its a lot less complicated in comparison to the ones in the video...

This video is great

Cool video.

What kind of wiring is used in these EV batteries? I always see big thick orange cabling. Do you know what size it is? Is it fine-stranded silicone-type cable or more stiff THHN? Just curious, love the details!

@DavidPozEnergy

3 жыл бұрын

Fine strand. There are no markings on the orange insulation, but I've compared it to other wires I have and I think it's 4AWG. The insulation has a feel like a PVC compound, not quite the same feel as some Silicone wire I have. Probably a 105°C, not the 200°C stuff

👍 good work 😁

Get yourself a flexible extensions, cable ones 💪🏼

Can't do miracles about battery shape and module reusability while attempting to fit as much battery as possible in what is fundamentally an FR to BEV conversion.

3:40 You don't have a flexible extension for your drill /driver - impact gun ? They accept all fastener types and are magnetized also available for use around energized electrical components

Cool

Wow these are from 2011, that's not just batteries, that's modern EV history!

most sarcastic click bait title ever haha. great video

Also, keep up with every connector pulled out of these things. The balance leads can be found with a great deal of digging, but you don't want to attempt to make them yourself. The HV battery cable connectors are proprietary; I did track down the company that makes them, and they are not sold to the public. (if you wanted 10,000 of them, they _might_ talk to you.)

You think BWM batteries are complicated? You should see what you have to do to swap an engine on one of their R motorcycles ... you need to disassemble the entire bike since the engine is a structural member. Can wait to see what you do with these batteries.

Best overbuilt battery pack ever... Would make Rube Goldberg proud... BMW's Engineers must have had a budget like the 1960s NASA

What they did was give their engineers a free hand, I would say. It takes an engineer to make a mess like that. KISS, says I.

"Disassembling the Best Built EV Battery in the World". Interesting, I just heard the exact same claim about the Tesla Model 3 battery. 2:29, that kinked pipe couldn't have been good for cooling. I'm surprized BMW would not have a custom curved pipe. Great video!

That's Why BMWs Are Soo Much More Expensive! 🤣 Thanks

heya yes it must be a lot of fun taking those batteries a part I gues especialy wen your an elektrision/elektronicus like my self. I have been searching for something like those batteries here in Holland but couldn't/don't know were to find them greatings from Holland

This perfectly explains why you see 1.5 hour labor charge to change a lightbulb on X5

You just had to go there, didn't ya. 😁

what BMS do i need to hook this up to 48volt?

I was waiting for you to find the turn signal lever.

Have you done an update video on your tower of power to illustrate the problems you are having with it? I know you had built that 6 unit Gyll for 30kW of energy storage, is that the main battery at this point?

@DavidPozEnergy

3 жыл бұрын

I have not gotten around to doing the update video on the tower of power. I bought the Gyll battery to replace the tower of power. Currently I'm running on the Gyll batteries and Growatt inverters (24/7). Just waiting on some time to dismantle the tower of power. I'm going to have to test every cell and remove the bad ones. Not sure if I'll ever have the time for it though. So many projects.

Thanks for a video! 4,05 V is understandable, but why 3,4V? Isn't it a bitt too high for a low voltage cut-off?

@DavidPozEnergy

3 жыл бұрын

There is less than 20% remaining below 3.4V. I am trying to extend the life of the batteries as much as possible. I think it's an OK number.

@YarLeo

3 жыл бұрын

@@DavidPozEnergy I am also thinking about the best balance between usable capacity and extending the life of the battery. With the upper limit, I came to the same value - 4,05V, but surprised to hear from you a 3,4V low cutoff. I thought about 3,0 - 3,1V, maximum 3,2V. Just thought maybe you something I don't :)

GREAT battery prices in your links. Perhaps I CAN afford LiFePo4 batteries for a homemade solar system! I just want to power a small air conditioner after hurricanes. I bought power stations to run a freezer but everything else is out of my league.

@DavidPozEnergy

3 жыл бұрын

Yeah, Battery Hookup has some great deals on LiFePO4 right now. Discount code DAVIDPOZ.

@brenthungsang1849

3 жыл бұрын

We can do it for you

It's more than how do we get wires set. They have to take into account that the vehicle will be in accidents and how to make the module safe enough to keep it from injuring the occupant(s). All vehicle manufacturers have to take into account the crashes the vehicle migf=ght be involved in. So much to consider when making a module.BMW looks like they overthought it though. As you pointed out, Chevy and Volvo did it easier.

I can already see how this went down at BMW: "Jurgen, I need you to engineer a transmission case to hold 6 megatons of batteries. With several mounting options." "Da, Helmut, it will be ready in 2 weeks time." 🤣

HAHA!! There were 3 clues it was going to be complicated. #1 B, #2 M, #3, W - LOL You just admitted you have never wrenched on anything with those 3 letters before. 😁 Seriously, you just got your BMW initiation!! Good vid - Thanks man!

@DavidPozEnergy

3 жыл бұрын

LOL, I hadn't heard that joke before, but I like it. Thanks. Yes, I've never worked on a BMW before.

is it better to run 9p7s7p or 63p7s for lithium ion

@DavidPozEnergy

3 жыл бұрын

Sounds like you are making 24v batteries. Correct me if I'm wrong, but it sounds like you are asking : Is it better to have one giant battery, or 7 smaller batteries?. Is that right? Well, I've asked this same question several times because of all the different builds I've done. I have found that it comes down to the BMS. I can buy 100 amp BMS's fairly cheap and still reliable. However, when I start getting into 500 amp BMS's they become extremely expensive, or, not reliable. So I have personally decided to make smaller batteries that utilize 100 amp BMS's and just make multiple of them. Then you can parallel the smaller batteries together at a bus bar.

@DarkRiegn1

3 жыл бұрын

@@DavidPozEnergy ok thanks

I have a question off track here . Ecoflow river pro ? Could you run this 24/7 and how difficult is it to add your own 12v100ah battery to it? And 3rdly would the unit charge it also ? I'm asking before I buy it to run a chest freezer continuously.

@DavidPozEnergy

3 жыл бұрын

Chest freezers will vary considerably on energy usage. For example, storing a chest freezer in a cool basement, compared to a hot garage will double the energy consumption. But will it work? I don't know. I think my chest freezer uses 300 watts when running, but the compressor surges. The ecoflow you mentioned has a 600 watt inverter. That might start a small compressor (like on a 7cu.ft. freezer) but certainly not a large 18+ unit because the compressor surge will overload the built-in inverter. Second, the total daily energy use. The average chest freezer in America uses about 1.2kWh/day. The ecoflow you mentioned has a 720Wh battery, so it won't last 24 hours. Probably more like 12 hours after you factor in inefficiency in the unit. I'd suggest this unit instead: amzn.to/3joG89Z I've reviewed it and know it works well. I use it on my chest freezer. kzread.info/dash/bejne/lKadqLecgbnSp6Q.html

@dash4191

3 жыл бұрын

I like the bluetti but it's too expensive for me. My freezer says 0.95 amps. The few things that ecoflow river flow pro 720wh. Is very fast charge time compact and 16lbs. And the USB c ports 100w I thank you for responding.

@dash4191

3 жыл бұрын

@@DavidPozEnergy Dave the echoflow river pro has 1800watt x boost but claims 1200 watt devices or lower. Your the only one that answers questions I have. I have to thank you. You can purchase an extra battery for this river pro* 720 wh . But it's 399. I'm wondering if you can answer this . It uses li ion. Batts. And a special connector. If I find a cable for it and cut 1 end off can what other bigger battery can I use? Same type ion or lifepo4 iRon? The unit itself can only charge the extra battery thats 399.00 . Or is it possible to gut all the electronics in this unit and use them on different bigger batteries? Is that possible?

Have you looked at or tested the RoyPow batteries?

@DavidPozEnergy

3 жыл бұрын

No. But Lithium Solar has: kzread.info/dash/bejne/foJ-1ruzaNysj9I.html

@MPN527

3 жыл бұрын

@@DavidPozEnergy This is the ones I bought. When I called Battle Born about their batteries and then asked them about the RoyPow golf cart battery, the response I got from them was that the RoyPow batteries are great in golf carts "One of the best you can get". When I asked about using them in a solar battery backup setting, they didn't know of anyone who had. For the money they are they best $ per KWH.Since then I have learned about the GYLL batteries and they do have the advantage of the built in breaker but at the same cost per KWH. I bought 3 of the S51160.

What does "s" mean? Series?

@DavidPozEnergy

3 жыл бұрын

Yes. 96 cells in series. Each cell is about 3.7v. 3.7x96=355.2v.

It will be nice to use this batteries in your VW beetle... Hope to give you good idea... 👍🏻👍🏻

@DavidPozEnergy

3 жыл бұрын

Yes, that was the original intent. Unfortunately, I just can't get it (VW Bug) registered. I tried everything possible, but it's not easy in MA. I'll have to come up with something else.

I grew up working on BMWs. They have been overcomplicating fasteners forever and the blocking one fastener with another that is hard to get out is their signature move 😑

David, you made a comment about your power towers that they weren't performing optimally for one reason or another. Could you elaborate on that? I was under the impression that they were performing well.

@DavidPozEnergy

3 жыл бұрын

I'm fairly sure I have two cells that are self-discharging. This is dragging the whole tower out of balance. I was manually re-balancing them about every 2 weeks.

@marscan1

3 жыл бұрын

@@DavidPozEnergy David; This could make a a very good episode of "What has worked and what has not". You have covered a lot experimental products in a lot of your different inverter/battery builds, but the proof is in the pudding and now you have a scientific experimental platform with results. Thank you for making these videos, you are a strong force in the quest for energy independence.

hi David I did exactly what you are doing in this video last year . we bought 3 crates of this BMW batteries I made (20) 14s modules and 1 7s out of the 3 crates from battery hook up we used your DAVIDPOZ CODE last year it was worth 10% then, and also battery hookup claimed the modules were 90 amps when new. but they tested 80 to 85 amps when we test them they have been running now for 9 months. for me that was one of the best deals from battery hookup for the money !

@DavidPozEnergy

3 жыл бұрын

I agree, one of the best deals they had. Good for you grabbing 3 of them to spread out the cost of the shipping. The label says 80ah, but that must have been with BMW's voltage parameters or something. If you are getting 80, then you are golden.

Looks like they went with the complicated arrangement in order to make the best use of the oddly shaped available space. Imagine how low the energy density is when you factor in the 300# case with the 700# battery! Looks like all that steel is for crashworthiness. Which is comforting lol. 355 volt is only ~3.7 volts per cell. A nominal figure instead of maximum?

@DavidPozEnergy

3 жыл бұрын

Yes. Nominal, not max. The pack could in theory vary from 288V to 403.2V. But, I don't know what BMW had it programmed to exactly.

I hope you put all of those lovely stainless nuts and bolts in your "mystery box" .

@DavidPozEnergy

3 жыл бұрын

Yep. I've already used a couple for odd things.

I accidently bought a 5s BMS, what is it good for? and can I use it on 4 3.7 volt 280 amp hour batteries leaving 1 lead disconnected?

@DavidPozEnergy

3 жыл бұрын

Most BMS's need all the leads connected.

@bobbyisno11

3 жыл бұрын

@@DavidPozEnergy It's a Daly 100 amp.

@DavidPozEnergy

3 жыл бұрын

I use several Daly BMS's and all the ones I have require all the cells connected.

@bobbyisno11

3 жыл бұрын

@@DavidPozEnergy Thx, let me know if you need a 5s.

@DavidPozEnergy

3 жыл бұрын

No Thank you. But I'm on a Facebook group called "DIY Powerwalls". You can post it there.

what are you going to do with the Batteries, Will i see them on ebay?

@DavidPozEnergy

3 жыл бұрын

No, I don't have a way to ship lithium batteries.

It's a lesson in how not to build a battery - modulus of different cells numbers assembled in different arrays is bad enough but the vast numbers and variety of fixtures and fitting is appalling - good design would have repetitive cell numbers in a uniform array with the minimum of fixtures and threads with the housing forming a structural beam of the car - would love to get my hands on some though!

So David, I wanted to ask in the first video: What prevents you from using the BMSs, relays, heat sinks etc that are in place? Why tear down all this good tech with so much effort? Why can't it be used for the good?

@DavidPozEnergy

3 жыл бұрын

The computers are all proprietary and only work inside the original car. Perhaps a computer programmer could hack it, but I'm not good with computers.

@rays.2480

Жыл бұрын

plus there's the voltage aspect to deal with..gotta break the pack down to make it useful. Relays and fuses etc can be reused in other projects or sold to make funds to keep up our hobbies.

So, just checking up on this.. Did you ever put it to use yet ? My set up is doing well it seems. 14S6P Right now, I have more solar than Storage, I'm Looking to add more to my system... Know any where for some deals ? I can only add NMC 3.7vpc to my system,, either that or sell these and guy whole new chemistry..

@DavidPozEnergy

Жыл бұрын

I never did get around to putting these BMW cells into service. If you are in New England I could sell you mine at a good deal. Otherwise, Battery Hookup sells EV cells about $100/kWh. I know a guy in PA giving away 4,000 18650's right now.

Do I misunderstand or is not the 30k battery pack not keeping up with the 3 5k growatts.

@DavidPozEnergy

3 жыл бұрын

I'm sorry, I don't understand the question.

@glennwest4438

3 жыл бұрын

@@DavidPozEnergy You made comment your battery pack not doing right. So you setting up the bmw battery pak. So is the gyll pak not keeping up with the load the growatts are pulling from them.

@glennwest4438

3 жыл бұрын

Reason I am asking I am going to use a 21k leaf pak and 2 5000 growatt units.

@DavidPozEnergy

3 жыл бұрын

I was referring to the "Tower of Power". The white shelves with 8x BYD batteries. That is not doing great. That's actually why I bought the Gyll Batteries. I've had the Gyll batteries take over the house. The Gyll batteries are working perfect. I plan to take down the Tower of Power and go through the individual cells. I'll have to test them all and remove the bad ones.

@glennwest4438

3 жыл бұрын

@@DavidPozEnergy kk. I hadn't kept up with all your videos and I mistook your gyll pak for Tower of Power. Thanks for clearing this up.

BMW Active E is not a mass production car. It was built for demonstration purpose. That's why the construction is so complicated

This is the way to heavy and to many fasteners. Sandy Munro would have a field day with this battery! Also the different sized batteries make more difficult to put together.

@InnovativeSustainableSolutions

3 жыл бұрын

Thank you! The title of this video is "The best built EV battery in the World". Is that a troll? This thing is absolute CRAP! I thought the Nissan Leaf battery had tons of deadspace, heavy fasteners, and brackets, but it looks like gold next to this brick

@typxxilps

3 жыл бұрын

Stupid comment on a 2011 battery for a different purpose. Let us know how the great american companies did do that in 2011. And please show us the 2011 TESLA roadsters back then hand made ! The battery here was in a pre production unit and well protected. BMW is doing things different than Sandy Munroe and you forget that the big three from the US are loosing market shares decade by decade while BMW, Audi, Porsche, Mercedes, VW and all its brands won shares and purchased brands and plants like RollsRoyce or Bentley or Lamborgini and Mini. Quite the opposite while Ford Europe went down even with super cheap crappy turkish plants, same for GM and Opel / Holden group. And even Chrysler is now italian or better french italian. 76 years after end of WW2 looks quite good for german industries compared to all the others and even in culture the invasion must have succeeded -if you'd ask Churchill in his grave watching the biggest tank festival of the world taking place in the UK und which claim ? T I G E R days not Churchill, Chromewell, Sherman, Grant nor Lee Festival, but TIGER days. All those do still exist in that museum, but the overengineered heavy, slow unreliable tank called TiGER is that only one that counts and brings the masses into tbat museum and festival, year by year, livng legends and veterans and their great grandsons too. Obvious that the overengineered ones must have done some things right.

Think of it as a reverse Lego set

These batt modules are designed by 'several' engineers... David, are you carrying a few more lbs. around the middle than usual..???? LOL!

@DavidPozEnergy

3 жыл бұрын

Yes, I am. I'm finding it harder and harder to go for my runs. (because of time) But I just signed up for another half marathon in October. Hopefully the $100 entrance fee will force me to get the practice runs in. It's in Newburyport if you are interested.

What is that about $5 a pound delivered.

@DavidPozEnergy

3 жыл бұрын

Well, the crate was 1300#. Deliver fee was $450.

Interesting that there was no water cooling?

@DavidPozEnergy

3 жыл бұрын

There was water cooling. It's those skeleton aluminum tubes I pulled out from under the cells.

I appreciate this was a small run vehicle, as the saying goes "complexity appeals to stupid people" Im not saying BMW engineers are stupid and totally see trying to cram batteries into an ICE chassis not easy for complexity reduction.......just "the best part is no part".

An Engineer was told to fit a battery in that space, and they did it.

@bwillan

3 жыл бұрын

Right, because automotive design aesthetics is more important than making it easy to build and service.

Yeap. They are some seriously over-engineered critters. Too bad they're so low capacity. I have just shy of a ton of them [i3 - older 60ah] on the shop floor. (pulled for significantly higher density, small, lighter chinese LiFe's. Those, too, have also been pulled after too many were balloons. The pallet of quality, actually warranted CALB bricks are starting to arrive.) My biggest problem with them is the microscopic tiny balance connector.

I'm assuming these are used batteries why can you use them for your setup but they can't use them in the car anymore.

@DavidPozEnergy

3 жыл бұрын

Different reasons. In this case it was a lease car, and when the lease was done BMW disassembled them.

If you're ever interested in selling the Gyll batteries and the rack I will buy them all off you it is hard to find batteries nowadays

now put it back together

Sorry to hear your "Tower of Power " batteries are under performing. Were they degraded too far or was it something else? With the amount of batteries that you have repurposed and built for solar power storage I assume that you're going to have close to 100kW of battery bank by the time you get these online?

@DavidPozEnergy

3 жыл бұрын

Hmm, not sure it will be that much. Maybe more like 80 all in. But the tower of power needs to come down and be re-worked. I think I have 2 cells that are self-discharging.

@TheRainHarvester

3 жыл бұрын

@@DavidPozEnergy does your home insurance price go up with self-installs? Just curious

@fisherus

3 жыл бұрын

@@DavidPozEnergy Sure hate to hear that after all the work and time you invested into them plus the cost of purchasing. My LTO SCIB batteries are doing great but, I should have bought another 15 more of them when they were available. I've been searching auto wrecking yards for a full unit to disassemble and have more of them without any success to date.

Sandy Monroe would not approve of this battery design, Haha. I didn't catch which model BMW it was out of, did you know? What a ton of material/poor design IMO. Probably an older model EV?

you got ripped on the price of steel.................it's more than double!

@DavidPozEnergy

3 жыл бұрын

I don't know. I'm not a professional scrapper.

You should team up with that guy that melts scrap into Ingots

😁👌👍🖖✌😎

Now I know why BMWs cost so much, it sounds like poor planning to me. They should be able to simplify a system like Ford does?

@Nobody_Famous

3 жыл бұрын

It wasn’t a production vehicle, it was an EV conversion on an existing model. Different design constraints need different design.

I have a data sheet... 0% SOC is 2.890, 100% is 4.093. "Standard" charge is 13.3A, 4.1v; cutoff at 0.8A or 5hrs. Discharge at 13.3A to 2.7v. (I'd send it to you, but there's no contact info anywhere, and your website is inaccessible to my systems. Saying my browser is "too old" is a BS move -- provide the wad of javascript you call a webpage, it renders or it doesn't.)

@DavidPozEnergy

3 жыл бұрын

Sorry, I'm not good with computers.

Sandy Monroe would not approve of BMW's engineering.

This in itself makes the BMW very expensive

David why are you not responding to my messages?????

@DavidPozEnergy

3 жыл бұрын

What do you mean? I'm right here.

@Larrycarr63

3 жыл бұрын

@@DavidPozEnergy David I would like to pick your brain or try to get some advice from you,, on equipment and a few technical questions as well?? David is there a way we would be able to talk on the phone??

@DavidPozEnergy

3 жыл бұрын

Hi Larry, What is your number? I can give you a call, and you can delete your comment after.

@Larrycarr63

3 жыл бұрын

David if you would sent me a text to that number I sent you first.. Because my phone blocks numbers that it doesn't recognize,, when you make a text it will work this way I can put your number in there so it will recognize you thanks.. I also have been purchasing batteries and bms using your name for the discount.. thank you for that..

@Larrycarr63

3 жыл бұрын

5707604443

17 dollars. Does that even pay for the gas?

@DavidPozEnergy

3 жыл бұрын

Just barely. LOL. But the point was to find out how much the steel weighed.

"Best built EV battery in the world" ? Have you heard about a little company called, Tesla :-)

@RJ-cc1fz

3 жыл бұрын

The small amp hour cells in the Tesla packs imo isn’t a good idea. Way to many cells

Its called "german engineering"! There is no simple :) You said the BYD pack is not good. What's the issue?

@DavidPozEnergy

3 жыл бұрын

I think there are two cells self-discharging in the tower. Those two keep throwing the balance out. I have to take it down and test all the cells.

@RolandW_DIYEnergyandMore

3 жыл бұрын

@@DavidPozEnergy right, hope you can identify the cells quickly!

Such complexity and miscellaneous bits (all the various bolts & connectors) add's to the overall cost of the "packs". Even worse is service/maintenance possible is just so involved the labour costs alone would make it impractical. As you noted, Volvo (Geely), GM and others are far smarter in this regard.

@XTreMe2k6

3 жыл бұрын

you know these batteries are from test vehicles? no?

David all this time what took you so long to do that video. Because of you I bought two sets ot those batteries and then plus eight more to complete 16 sets of those batteries. I think youbarectoo late for this video.

Standard BMW practice to make assemblies too difficult for the lameman to finger out.

Hey David Your tummy is getting big man... Do some workouts..

Say it is not so, an over engineered German product?

Rather than design an EV from the ground up BMW stuffed battery modules around the transmission tunnel of an ICE body and anywhere else they could squeeze. Not the gospel according to Elon Musk.

9:11 seeing all that over engineering, no wonder BMW is lagging behind in the EV production... I bet if you ask them to build a ball, they will built it with cubes (ala minecraft)

Give me a battery

PRECISION. GERMAN. ENGINEERING.

That looks like a poorly designed battery. Hard to work on and many many redundant parts. It adds weight and many places that can go bad. BMW has absolutely no idea how to build EVs. Unfortunately they’re going to be in major pain in coming years as other automakers are directly targeting their sector and eating up their market. That unfortunate as I used to love beamers but I don’t see myself buying anytime soon 🙁

@domg7359

3 жыл бұрын

I was gonna say the same thing. This is how you build a battery when you don't have a clue what you're doing. They haven't learned a thing. And yeah their lunch is being eaten by competition right now. My dream car was a BMW when I was young.

@ai4313

3 жыл бұрын

I'm pretty sure that this battery came out of a car designed for gas. It's not out of an i3, i8 or an iwhatever! What BMW did here is what every other "chop-shop" does, when doing a conversion. The batteries are well protected and won't overheat. They could have gone with less different bolts, but that is a non existing issue because these batteries are not designed for an exchange. That's why they landed at battery hook up. I say well done BMW!

typical german engineering 😂😂😂

eeeeewwww. junk.