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E39 M5 (1998-2003)

 
 
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Old 11-28-2012, 06:44 PM
///fast5 ///fast5 is offline
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Location: Arkansas
 
Join Date: Sep 2012
Posts: 15
Mein Auto: e39 Bmw M5, e46 Bmw 330i
Exclamation Cylinder head valve thickening turns knocking after 2500rpm

i was riding my m5 from work back to home. stopped at mcdonalds and start hearing valve thicking noise and after got on the road with accelleration thicking is going away than knocking starts. what the hack is that!!! any idea? no codes at this moment...

my oil level was good used valvoline vr1 10w-50 recently changed. no leak coolant good. what could happen? i drive my car high rpm. but thats what made for!!! i like pitchin back of my tailpipe. help
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