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People of the world! I've noticed a bit of a knock on cold start in the morning. It is not audible inside the car once underway and once the engine is warmed up all is quiet. It's hard to pin down where it's coming from in the engine bay... but it is a knock, rather than a tap/valve gear noise, if I'm any judge. Sounds like 1/revolution. The car is an E28 525e, with the ETA 2.7. It's done 208,000kms though the previous owner/s wasn't all that big on maintenance. Starts and pulls well otherwise and there are no warning lights showing beyond the oil change schedule thingo. Any thoughts? Cheers all, Tom
