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BMW 3-Series (E90 E92) Forum
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Car running rough and can not figure it out !
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08-06-2020, 10:20 PM | #23 | |
Second Lieutenant
79
Rep 250
Posts
Drives: E82 N52 6MT A51
Join Date: Apr 2012
Location: Canada
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Quote:
Check camshaft position angle/ vanos angle commanded vs actual. Rev the engine up and down while you are looking at the values and see if the actual is staying close to the commanded. Should be almost instant with a hot engine. If its wavy and bouncing out of sync then you need new vanos solenoids. |
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Appreciate
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08-06-2020, 10:30 PM | #24 |
Second Lieutenant
79
Rep 250
Posts
Drives: E82 N52 6MT A51
Join Date: Apr 2012
Location: Canada
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Usually those solenoids need to be replaced at around 100k miles. Mine were completely shot at 100k.
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