Need help

chris98m3 · 07-06-2017, 09:31 PM

Car is misfiring but no codes.
Just installed single turbo I have jb4 with mhd backend flash adv o2 sensors bimmerlifecoils. Does it with stock coils also. Idle jumps n when I try n drive the car it jumps

Bimmer 808 · 07-06-2017, 10:51 PM

Quote:

Originally Posted by chris98m3

Car is misfiring but no codes.
Just installed single turbo I have jb4 with mhd backend flash adv o2 sensors bimmerlifecoils. Does it with stock coils also. Idle jumps n when I try n drive the car it jumps

Double-check BL coil connectors may be loose. Mine were causing misfires on cylinder 3. Wrapped with electrical tape and gtg.

chris98m3 · 07-07-2017, 06:25 AM

Quote:

Originally Posted by Bimmer 808

Quote:

Originally Posted by chris98m3

Car is misfiring but no codes.
Just installed single turbo I have jb4 with mhd backend flash adv o2 sensors bimmerlifecoils. Does it with stock coils also. Idle jumps n when I try n drive the car it jumps

Double-check BL coil connectors may be loose. Mine were causing misfires on cylinder 3. Wrapped with electrical tape and gtg.

It's happening with the stock ones too

chris98m3 · 07-07-2017, 12:13 PM

Bump

chris98m3 · 07-08-2017, 01:41 PM

Think it could be o2 sensors ?

jmb85 · 03-13-2018, 03:55 PM

chris98m3 did you end up solving the issue?

chris98m3 · 03-17-2018, 08:04 PM

Quote:

Originally Posted by jmb85

chris98m3 did you end up solving the issue?

Was a bad o2

07-06-2017, 09:31 PM	#1
chris98m3 Captain 134 Rep 754 Posts Drives: 2016 f80 m3,e90 07 335,2014 f1 Join Date: Mar 2012 Location: peekskill ny iTrader: (1)	Need help Car is misfiring but no codes. Just installed single turbo I have jb4 with mhd backend flash adv o2 sensors bimmerlifecoils. Does it with stock coils also. Idle jumps n when I try n drive the car it jumps Attached Images
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07-07-2017, 12:13 PM	#4
chris98m3 Captain 134 Rep 754 Posts Drives: 2016 f80 m3,e90 07 335,2014 f1 Join Date: Mar 2012 Location: peekskill ny iTrader: (1)	Bump
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07-08-2017, 01:41 PM	#5
chris98m3 Captain 134 Rep 754 Posts Drives: 2016 f80 m3,e90 07 335,2014 f1 Join Date: Mar 2012 Location: peekskill ny iTrader: (1)	Think it could be o2 sensors ?
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03-13-2018, 03:55 PM	#6
jmb85 Second Lieutenant 12 Rep 291 Posts Drives: 335i Coupe Join Date: Sep 2012 Location: Miami, FL iTrader: (4)	chris98m3 did you end up solving the issue?
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