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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Wash, Wax, Detailing and Cosmetic protection/repairs > Exhaust endpipes are getting black.



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      07-28-2005, 03:44 AM   #1
Robin_NL
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Exhaust endpipes are getting black.

Why are my exhaust endpipes getting covered with 'black dirt' after only 2/3 days? Does my 330i consume oil like Betty Ford liquor or what

How can I clean it?

And YES I drive not too slowly
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      07-28-2005, 04:12 AM   #2
E90Fleet
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Just soap and water
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      07-28-2005, 05:20 AM   #3
nexus66
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It's nothing to worry about - just carbon I think from the combustion process. It's not burning oil - that's blue smoke!

For cleaning using "Brasso" or a similar chrome polish will remove it! I believe you can also use t-Cut without any problems...
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      07-28-2005, 07:01 AM   #4
LEDZEP
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Put higher quality gas in your tank for awhile. You shouldn't have that much carbon coming out the exhaust.
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      07-28-2005, 07:32 AM   #5
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clean it with never dull it is sold at target or wal-mart, i love that stuff
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      07-28-2005, 07:39 AM   #6
Robin_NL
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Quote:
Originally Posted by LEDZEP
Put higher quality gas in your tank for awhile. You shouldn't have that much carbon coming out the exhaust.
I always fill her up with RON 98, not with 95(2 very common kinds of petrol in EU)

So, dunno.
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      08-01-2005, 02:51 PM   #7
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USA has 92 octane
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      08-02-2005, 02:29 AM   #8
nexus66
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UK and US octane ratings are different. Not sure how to convert them...
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