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Random rough idle issue : Code 275E & 27BB
Hello all I'm having a random rough idle on my 2013 E92 M3 6MT. I scanned and got these codes. I replaced BOTH pre at O2 sensors and the fuel position sensor behind the intake but STILL running into the same issue. What do you guys think?
275E : PRESENT : DIGITAL MOTOR ELECTRONICS (DME): OXYGEN SENSOR LIMIT POSITION ERROR (BANK 2)
27BB : ABSENT : DIGITAL MOTOR ELECTRONICS (DME) : FUEL SYSTEM, LAMBDA/CHARGE PLAUSABILITY(BANK 2)
For reference I have a alibaba titanium exhaust, Eventuri inlet carbon intake and a AlpineMSS tune. I installed fresh injectors and spark plugs about 15k miles ago.
Any help is appreciated!
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