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      02-27-2019, 01:27 PM   #3226
Chrisred
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Drives: BMW 335xi coupe
Join Date: Jan 2010
Location: Montreal, Canada

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Quote:
Originally Posted by Evochuck View Post
Quote:
Originally Posted by Chrisred View Post
Hey guys. Anyone recommend a mechanic/tuner with experience diagnosing an RB turbo upgraded 335??

I have misfires on high rpm. I've done literally everything that needs to be done but still getting them.

Thx
Including injectors and upgrading to BL/Pr coils? What plugs/gap? what year car?Is it MSD80?

Meaby we can help
Yes msd80. 2009. Did 3 new injectors but misfires are all over the place. BL coils on their way as last solution from what I see. Valve cleaning done. Upgraded clutch and flywheel. Tried both NGK plugs at recommended gaps. Changed o2 sensors as well. Doing custom tune with Trebila and everything looks fine on logs including fuel pumps.
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