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      02-08-2013, 07:22 PM   #42
BMWM.D.
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Drives: E90 335i & 6th Gen ZL1
Join Date: May 2009
Location: Santa Barbara

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Quote:
Originally Posted by akotten View Post
I'm at 92k miles and currently trying to get my service contract to replace my turbos because of this. Are people having just the wastegates replaced? I spoke with three different BMW dealerships and no one can get just the wastegates, only the entire turbocharger assembly.
You can only get the wastegate vacuum actuators separately. The mechanical wategate components aren't available by themselves through BMW.

Quote:
Originally Posted by kiteboy View Post
mee one year ago my both turbo had been replaced by BMW, because horible sound rattling on deceleration from 4000 rpm to 750 rpm ?? and sometines 30FF

after replacement, I have noticied also just one moment insiginfiant rattling , just around 3100 rpm ? but since BMW it will be normal..
SOME wastegate noise is normal. If you look at how the system works, it's going to make some mechanical noise during operation. According to BMW, what you're hearing at ~3000 rpm is the wastegate valve/door rotating in it's seat and that it's a normal function of the design.
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