Quote:
Originally Posted by jean d
So, I have an '08 and theres a rattle coming from my exhaust. It's internal and its something bouncing around in the pipes between the cat's I think IDK, and my mechanic said it couldn't be removed but wasn't harmful. It's extremely annoying however. So, I started to look at the cost to replace it, and figured I'd look to see if there were any aftermarket ones. So far I cant find any. Anyone have any information on some?
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Sounds weird that it might be IN your exhaust. Can't think of anything that might fall in there, especially near your cats. Could it be a rock/debris stuck between the hangers or clamps maybe? My M3 was doing the same thing and it was because a rock was stuck between the oil pan and belly pan.