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Recurring Error Code
My 2013 E92 has been throwing an error code: P0135 O2 Sensor Heater Malfunction Bank 1 Sensor 1.
I initially swapped the 2 upstream sensors which led to a couple additional codes and some rough running. I then replaced both sensors a few hundred KM ago. The engine seemed to run smoother after the replacement.
Today code only P0135 came back. Wiring in vicinity of O2 sensor seem ok. No obvious exhaust leaks. Header to X-Pipe gaskets recently replaced. I have Alpine stage 2 and test pipes installed.
Any suggestions?
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2013 Fire Orange II E92 M3 ZCP
Bimmerworld (Quad) Resonated X-Pipe, AFe Stage 2 CF Intake, Carbon Project CF Plenum, Epic Motorsports Race Tune, Rogue Engineering Power Pulleys, Continental Extreme Contact Sport
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