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Old 02-02-2013, 07:44 AM
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lbjgh lbjgh is offline
Officially Welcomed to the 'Fest
Location: North of Toronto
 
Join Date: Dec 2011
Posts: 687
Mein Auto: 2013 X3 M-Sport
Ya, that's completely normal... both the carbon and the single tip getting dirty. If you drove the car a little harder you'd see carbon on both tips.

Quote:
Originally Posted by GTBecker View Post
The service manager here says this is normal, but couldn't explain why. I only see it on the right exhaust of my 2013 F25, and it wipes off very easily with a WD-40-soaked paper towel. Odd.
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