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      12-01-2012, 07:49 AM   #32
zltm089's Avatar
United Kingdom

Drives: 335i SE Coupe Space Grey
Join Date: Nov 2008
Location: LONDON

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2006 BMW 335i  [5.00]
Originally Posted by Siren_G View Post
latest hex file now uploaded to the car. seemed to run a lot better, floored it and saw boost climbing to 12-13psi and then had a misfire! took my foot off the throttle right away - read the fault codes- misfire on cylinder 6. i guess i need a new ignition coil? the car had fresh plugs with the bmw performance kit.i assume injectors are ok on a 40k mile car? switched the car to map 0 and the misfire's continued so i don't believe this is software related.
if you've had the spark plugs changed...then coil pack would be next on the line...i had my injectors changed at 35k miles....