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      06-29-2024, 05:47 PM   #7
warp10
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Drives: 2011 M3 Jet Black:ZCP, ZCV, ZP
Join Date: May 2011
Location: Atlanta, Ga

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So….what solved the issues for me was got the oil level correct, it was way overfilled…., and replaced all 4 vanos sensors.

Did all the ista tests and everything was in spec before these changes. My suspicion is that when the oil got warm, because it would idle just fine, that it got too thick and made the sensor think there was a clearance issue. BTW running Redline 50WT if that means anything but been using that for about 7 years now. Honestly think it was just the oil overfill.
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