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Old 10-03-2012, 01:35 AM
jgroarke jgroarke is offline
Officially Welcomed to the 'Fest
Location: manechester
 
Join Date: Mar 2011
Posts: 294
Mein Auto: BMW X3 3.0d Msport
Interesting, I had the same thing and they blamed it on the turbo eventually.

I could easily reproduce it by putting the engine slightly under load, like reversing up a steepish hill slowly (!). I know that sounds silly but I like to give an absolute test case for mechanics, otherwise you get BS that there is no noise.

I'll mention the oil cooler for a check next time it's in ...

:-)
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