btw - just a q on the M112 engine there, mine starts with a strange rattle, like its dry, then goes quiet after half a second. I had a dealer look at it and also 2 indy mechanics - both say that its good. One even showed me another similar engine vehicle (ML) whose engine sounded exactly like mine.

Do these sound like that?

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2012 BMW X5 (Beef + Granite suspension model)

1995 E300D - The original humming machine (consumed by Flood 2017)
2000 E320 - The evolution (consumed by flood 2017)