Just wanted to refresh this thread because I had these two codes pop up (after a month or two of increasingly rough cold starts) and I bought the listed part for ~$140 online. Had it installed today and the car's 100% again - no codes, smooth and quick on cold start. Can't imagine what the dealer would have charged me for this...
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2009 E90 M3 | 2011 E82 135i | 2002 E46 M3 | 2005 RX-8
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