BMW 3-Series (E90 E92) Forum - View Single Post

Eleventeen · 05-05-2013, 08:32 PM

The ignition is not the issue. That O2 code is the key to this whole thing. Either the sensor is bad, or it's pointing to a different fueling issue. Either way, the misfires are being caused by an incorrect A/F ratio on bank 2.

05-05-2013, 08:32 PM	#69
Eleventeen Second Lieutenant 30 Rep 288 Posts Drives: G42 M240i Join Date: May 2009 Location: South Jersey iTrader: (3)	The ignition is not the issue. That O2 code is the key to this whole thing. Either the sensor is bad, or it's pointing to a different fueling issue. Either way, the misfires are being caused by an incorrect A/F ratio on bank 2.
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