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      01-27-2013, 11:38 PM   #16
psmitty95
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Drives: 2009 E90 335i xDrive
Join Date: Jan 2012
Location: Greenwich, CT

iTrader: (9)

I'm getting cyl 5 misfires too. Just diagnose it by swapping coil packs and move from there until you found the issue. I had cyl 3 misfires over the summer and it was injectors. I'm ruling out spark plugs in my situation since they were replaced 7k miles ago. Here's a really helpful video cobb made:

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E90 335i xDrive 6spd, Nav, Prem, Cold Weather, & Sports package - Msport Conversion
Mods: JB4 + MHD, Doc Race ST, Pure 6266, AD-Eng PI/Mounts, Fuel-It st. 3, ER CP, VRSF FMIC, Custom Exhaust
More Pictures: Build Thread /// 425AWHP/ 500AWTQ Mustang Dyno