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Re: Can a BMW Vanos gear fail without setting Vanos faults?
Posted to Technical Discussion Forum on 7/6/2021 3 Replies

If the VANOS is truly dead on either cam, you should get a DTC.

Run the engine while monitoring the PIDs for camshaft positions and commanded positions. As you change RPM and load, you should see the demanded positions change and the camshafts move according... Login to read more.

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