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

JOe335i · 10-22-2008, 12:30 PM

rev it up to about 3-4k and while the revs are coming down listen for a metallic rattle noise. this would be wastegate.

p.s. the noise you MIGHT be hearing is just the injectors during cold start.

10-22-2008, 12:30 PM	#2
JOe335i Lieutenant 28 Rep 525 Posts Drives: R32-08STI-e92335i Join Date: Feb 2007 Location: AUSTRIA iTrader: (0)	rev it up to about 3-4k and while the revs are coming down listen for a metallic rattle noise. this would be wastegate. p.s. the noise you MIGHT be hearing is just the injectors during cold start.
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