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Re: p10f5 (bmw 135b11)
Posted to Technical Discussion Forum on 7/19/2024 1 Reply

This valvetronic system uses a 3 phase motor to move an eccentric shaft that increases or decreases the valve lift. 135B11 is for a open circuit in one of the motor phases. The buzzing sound you hear is the motor jamming. The motor has a worm gear and the shaf... Login to read more.

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