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      11-27-2012, 11:05 AM   #6
SamS
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Drives: 2016 M3
Join Date: Jul 2010
Location: Dallas, TX

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If you take a razor blade to the leather, you will be removing the urethane coating that protects the leather from wear, UV, etc. By scraping this off, you're effectively allowing it to get dirtier in the long run.
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2016 M3 - current
2013 ActiveHybrid 3 - sold
2012 M3 coupe - sold