Does your problem disappear after the 1m30 warm-up program?
I'm starting to think more and more about a MAF sensor problem, I've changed mine for a new Bosch (not the original part I only paid it 150€ on autodocs).
the original MAF sensor on the N62 is a Bosch, but I'm looking for a used original MAF sensor to be sure.
I've read on other forums that the car wouldn't take aftermarket MAFs well.
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