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      11-20-2019, 04:25 PM   #4
Aliquantus
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Drives: 2013 BMW Z4
Join Date: Aug 2019
Location: Minneapolis, MN

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Quote:
Originally Posted by smartbear View Post
Hi, it’s not wastegate rattle (that seems to effect the twin turbo 3litre engines, not the 4 pots)
It’s emissions related, that’s why it goes away as the engine warms up
Rob
It doesn't sound like a rattle although it seems to come right from the same area. It does sound like a bad exhaust manifold gasket.
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