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Old 07-19-2012, 06:00 AM
Sharky co Sharky co is offline
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Location: colorado
Join Date: Jan 2012
Posts: 20
Mein Auto: 2012x3
Originally Posted by jgroarke View Post
Is it doing the same on overrun, i.e. when you blip the throttle and engine revs decrease? I have the same kind of thing on mine, easily reproducible doing the above, and also (oddly enough) putting the engine under load by slowly reversing up a steepish hill (speed up then slow down type thing). Mine's a diesel though, dealership said it was a normal turbo noise. I don't think so.

I'm just trying to get more evidence on it, but life takes over :-/

Yes, hitting the throttle reproduces the noise, both on the increase and decrease, but only when the engine is at that 1000 rpm mark. If throttle is held there, noise will be constant.
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