BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST - View Single Post - JB4 S2 on N55 stutter between 4-5k when cold?

TreDirtyFive · 01-02-2013, 03:40 PM

the JB4 does not kick in until the engine reaches safe operating temperatures.

01-02-2013, 03:40 PM	#8
TreDirtyFive Major 253 Rep 1,334 Posts Drives: X3 M40i Join Date: Jun 2008 Location: Los Angeles, CA iTrader: (11)	the JB4 does not kick in until the engine reaches safe operating temperatures. __________________ X3 M40i G01, M235i F22, 335 F30 MSport, 135 DCT, 335 E92, Audi A3
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