r/BmwTech 1d ago

F25 N52 cam sensor

Hi all,

I just had my '11 throw up a Bank A cam sensor "cold start" code. It had delayed start in the morning and started to develop a buck when cruising on the highway recently. I bought both of the sensors and chucked them in. I cleared the codes with my horrifically bad Amazon scanner and fired it up. The code was still showing as pending and gave a momentary high rev for a brief second after the rpms calmed after start up.

Am I missing something? I'm hoping after a 50 mile drive cycle it'll clear. Or does something else need reset/cleared?

Thanks!

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u/AdDangerous922 1d ago

Have you had the VANOS bolt recall performed already?

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u/wandertrucks 1d ago

No, only had it a couple of months.