2009 BMW M3: Dirty Exhaust Tips
January 15, 2010
So our BMW M3 burns through its fair share of oil. And lo and behold, the exhaust tips are quite sooty. Dirty tips bug me, so I'll be cleaning them up this weekend. I've got a couple ways to go about it on my own car, but anybody want to recommend a particular technique or product they're fond of for cleaning exhaust tips? I've got four tips to experiment on.
Brent Romans, Senior Automotive Editor