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Alpine1 Alpine1 is offline
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Posts: 82
Join Date: Oct 2015
Car: 2009 135i alpine white
Default Misfire cylinder 5 - 08-10-2019, 06:09 AM

Please help steer me in the right direction. I have a misfire cylinder 5. Typically it is the injector, spark plug or the coil pack. I had a mechanic change out my injector. It solved the problem for a few days. Two days ago I had the coil pack & spark plug changed. This morning my check engine came on w/ misfire cylinder 5. What am I missing? The car is up to date on all services and always runs really strong. I have all the popular mods done including RB Turbo next gens plus tune.

2009 135i N54

Thank you,
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