BMW M3 Forum (E90 E92) - View Single Post

04S · 03-09-2009, 04:13 PM

Likewise, I would like to know too. There must be some kind of additional filter in there you can clean. Have you tried lifting the bonnet and having a look beneath the air intake ? Have you RTFM ?

03-09-2009, 04:13 PM	#3
04S Captain 174 Rep 837 Posts Drives: M4 xDrive, X5 40i and U11 X1 Join Date: Sep 2008 Location: Sydney, Australia iTrader: (0)	Likewise, I would like to know too. There must be some kind of additional filter in there you can clean. Have you tried lifting the bonnet and having a look beneath the air intake ? Have you RTFM ?
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