2017 BMW 440i
Fits on
340i
440i
Supra
Went with the CTS Turbo Downpipe
-Fast shipping and easy fitment
Tools:
10mm(Battery)
13mm
Crescent Wrench/Sensor Socket
Anti-Seize Lubricant
Flathead
Car Jack
Check Engine light will occur if Catless, to get rid of, perform a stage 2 tune through MHD Tuning or BM3 Tuning. Or you can use one of those softwares and click ignore cat sensors