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      03-09-2013, 10:49 PM   #21
PR3CI5N
need4speed
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Drives: 2010 E90 M 335i
Join Date: Jun 2010
Location: West Coast

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When you have a rattle like this the first thing that will be replaced is the wastegate actuators. If your wastegates need replacing then BMW will have to replace the turbos which they don't like doing until they are 100% sure. New turbos would be nice but if the cars power still feels strong I doubt its your turbos. Good luck.
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