Need more information. Is this vehicle you just bought? Prior symptoms? Rattling noises upon start up? Mileage? Poor MPG? Any recent repairs done to the vehicle?
Without any information about your vehicle...I can tell you only this. An exhaust cam over advanced could be a failing and/ or stuck exhaust Vanos. A stretched chain (NO BELTS INSIDE OF THIS ENGINE)or bad guides would cause a retarded cam, as the valve events would occur later. Or, possibly a bad sensor.
Any other codes associated with the advanced cam?
Quote:
Originally Posted by Ghlutke
Hello again I have 2005 x5 4.4. I have a trouble code that is saying I have a exhaust cam is over advanced. I’m assuming I need to replace the timing belt or belts. Is this something I can fix myself or do I need to take it to the dealer to get the engine back in time?
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