Quote:
Originally Posted by Robin Hood
Could be the hydraulic valve lifters ticking at a cold start(the mechanical noise).
When does the noise stop?(usually after a couple of kms when they are filled with oil)
Oil used is a bit thick at a cold start.
But that's just guessing.
Mine does tick a bit as well at a cold start , but not diesel-like , like yours though....
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If it was a Harley I would say that the lifters bled out, and that it takes a few minnutes for the oil to thin enough to pump them back up. Not sure about BMW lifters though... For sure I would take it to a dealership for inspection.