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International Automotive Technicians Network
Re: BMW 3 Series VALVETRONIC ADJUSTMENT RANGE
Posted to Technical Discussion Forum on 9/16/2020

That VIN corresponds to an 09 320i [E90] with the N46N engine.

It should have the early Valvetronic with the eccentric-shaft sensor on the front of the head. You need to run the eccentric-shaft-position relearn function with a BMW-compatible scanner. Login to read more.