BMW M3 Forum (E90 E92) - View Single Post

quality_sound · 06-16-2010, 11:43 AM

Yeah, it definitely dies down a lot when the SAI closes it was just something I'm not used to hearing after the cats warm up.

As long as it's normal it's all good.

06-16-2010, 11:43 AM	#8
quality_sound 8 tracks of madness 62 Rep 2,735 Posts Drives: Slowly Join Date: Jun 2009 Location: At home iTrader: (1)	Yeah, it definitely dies down a lot when the SAI closes it was just something I'm not used to hearing after the cats warm up. As long as it's normal it's all good.
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