I get what you're saying, and as soon as the oil arrives, I'll know whether or not low level is the reason.
But if you were correct, how would you explain that the car stopped making noise when I started parking it the other way around? I've driven it 2 times now and I got zero noise.
In the M90 the reverse idle shaft is out of the way but not all the way at the bottom, but a bit raised. That, coupled with the way the car is parked, could be the explanation. Anyway, I'll know within the next few days for sure.
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