Originally Posted by AndyR83
I have a ferocious rattle in mine that began when I installed my downpipes. It only kicks in at certain RPM's, I'd say from like 2500-4000. It sounds like it's coming from somewhere in the back seat but I can't really investigate because I'm always driving when I hear it, lol. I need to find a buddy to drive while I hunt it down.
You sure you don't just have a loose bolt in your exhaust? I'd check/retorque your work if you did it yourself.
2007 335i E92
Sapphire Black, Saddle Brown, Sport, Premium, Cold Weather, OEM Rear Spoiler, M3 Strut Brace, Meyle HD Tie-Rods, M3 Front Control Arms - Upper and Lower, M-Tech Rear Bumper, Painted Side Reflectors, Alpine HID 5300k Angel Eyes