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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Intermittent Afr issues



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      01-17-2021, 10:31 PM   #23
Derek Keenan
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Originally Posted by dirtmaster666 View Post
Been running procede for a while and never had these issues before. It happened again during a cruise to a business meeting and while it happens I get huge hesitation. I switched to map 0 ( stock map) while it was happening and still felt major hesitation. So I think I pretty much ruled out tune. Also took another log at idle and bank 1 Afr hits 18+ :1 and bank 2 is at 14ish:1 do its definetly something on my bank 1. My car is a 07 with 72xxx km on it and apparently injectors were done before I bought it which would have been at least 2 yrs ago. So I think injectors for bank 1 is next. Anyone know where to buy them? Or since I can't code myself taking to dealer is best?
Did you fix this issue? If so what did you do? Having similar problems
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