Thanks Vince that is exactly what I did! Swapped the plugs around and its running fine now. BMW even made 1 plug right angled and I still mixed them up!
Switched the good solenoid over to the intake again to see if this changes the surging.
Unfortunately the surging is still present. However it feels like it isn't as bad, but it might be my imagination. I'll try this out for a few days to see if it really feels improved or not before ordering new solenoids.
Quote:
Originally Posted by vtl
That doesn't sound right. When I cleaned the solenoids I forgot to plug one back in and the car actually idled fine. I gave it a rev and it threw a vanos code. Plugged it back in and all good. It's not possible you got the connections swapped?
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