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Old 05-29-2016, 08:17 PM
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BimmerE38E53 BimmerE38E53 is offline
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Quote:
Originally Posted by David.X5 View Post
I'm a m62 guy, but it sounds more like vanos startup rattle than rod knock.

The oil pump has a check valve I that keeps oil in the upper parts of the engine. If that stuck open, the oil would drain back and you might get more noises at startup until oil is distributed everywhere.


I hoping that this is the case. I had one random startup that said turn engine off no oil pressure!!! Scared the hell outta me but after the noise and then that message I was hoping something like a check valve or just the oil pump itself was going and not a rod!!!
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