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      02-06-2013, 06:35 AM   #1
Guvernator
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Drives: BMW 335i SE Cabriolet
Join Date: Mar 2012
Location: LONDON

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Rattle From Exhaust?

I've had an annoying problem for a while which I've decided I now need to do something about. Whenever I pull away I get a slight zinging rattle from what sounds like the Exhaust.

This only seems to happen at between 1000-2000rpm and then goes away as the revs rise. The fact that it only happens at those revs makes me think it's either the exhaust valve flaps or the exhaust resonating against something at a certain frequency.

There doesn't seem to be any excess movement from the exhaust though so any ideas what this might be?