E46Fanatics - View Single Post - Rattle on start up. Has new dr vanos already
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Old 08-13-2012, 08:13 AM   #6
dmax
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Join Date: Aug 2006
Location: NJ
Posts: 23,930
My Ride: '99 328i 340K miles
The engine seems pretty bullet proof. Well maintained is good and honestly, I think your PO would have had to have been an idiot to do something that would affect the lifters. Having the correct oil seems to help a lot of this.

Pulleys will also make raspy sounds intermittently...check belt condition and make sure the tensioners are holding belt flat between pulleys.

And to clean things up generally, Techron--the only additive my car has seen.
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