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      11-18-2012, 05:14 PM   #26
BMWM.D.
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Drives: E90 335i & C6 Grand Sport
Join Date: May 2009
Location: Santa Barbara

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Quote:
Originally Posted by Gugs View Post

If your wastegate was failing or malfunctioning its usually pretty loud and rattling.

Not always. I've seen several cars lately with the bank 2 wastegate jamming intermittently and no noise or other obvious signs (other than 30ff under hard acceleration).
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