Originally Posted by Chris' post='203080

I have what seems to be a similar problem-my '06 530 rattles at approx 1.5 RPM's regardless of speed or whether the engine is warmed up or not. Only has 6,500 miles on it and never rattled before. It's very annoying and I'll be taking it back to the dealer. Brought it in once and they thought it was a software problem. Upgraded the software, they said it was fixed but the rattling noise is still there. Anyone know what this could be?