BMW 3-Series (E90 E92) Forum - View Single Post - How To Clean Black Charred Exaust Tail Pipe?

ucmike · 05-25-2013, 05:30 PM

I sometimes use P21s polishing soap from Detailers Domain. It makes them look perfect. But after driving for a day or two, they are back to being black again, so I don't waste my time unless I am going to be taking pictures/attending a group drive.

05-25-2013, 05:30 PM	#5
ucmike Private First Class 4 Rep 103 Posts Drives: 335i Join Date: Oct 2012 Location: Connecticut iTrader: (0)	I sometimes use P21s polishing soap from Detailers Domain. It makes them look perfect. But after driving for a day or two, they are back to being black again, so I don't waste my time unless I am going to be taking pictures/attending a group drive.
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