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Old 07-19-2012, 12:07 AM
jgroarke jgroarke is offline
Officially Welcomed to the 'Fest
Location: manechester
 
Join Date: Mar 2011
Posts: 246
Mein Auto: BMW X3 3.0d Msport
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 :-/

John
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