Quote:
Originally Posted by Salty_Dog
The old style pcv was never in the 2006 model.
But I did change it 4 years ago anyway.
Yes... I'm well used to the X5 normal range behavior in relation to driving conditions....
We have never seen 999 range for a year or more now...
First I thought it was foaming in the diesel when filling up.
But it can't be that this many times in a row
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Well, clearly something has changed. As already stated, check the obvious and easy items first; air filter element (did I say easy!?) and then look at the EGR valve on the intake - if this get clogged, it'll kill your performance.