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

nicktyler · 08-06-2013, 04:22 PM

I had this and also rough idle on cold start. Plugs and coils were changed, no joy. I then thought it was injectors but turned out to be the O2 sensor.

08-06-2013, 04:22 PM	#6
nicktyler Major 32 Rep 1,271 Posts Drives: 335i (sadly gone) Join Date: Jan 2012 Location: Essex iTrader: (3) Garage List 2007 BMW E92 335i [0.00]	I had this and also rough idle on cold start. Plugs and coils were changed, no joy. I then thought it was injectors but turned out to be the O2 sensor.
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