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Old 02-01-2013, 02:25 PM
farg farg is online now
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Location: Oregon
 
Join Date: Jan 2013
Posts: 87
Mein Auto: 2014 X3 3.5i
Formerly I owned an E46 M3. I kept the inside and outside of the pipes clean with Mother's Mag and Aluminum polish. Don't know if you've tried that yet. Took alittel elbow grease, but really worked for me.
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