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      08-31-2012, 01:42 AM   #5
Dackelone
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Drives: 135i Silber mit/Rot 6MT N54
Join Date: Feb 2010
Location: Bayern, Germany

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Quote:
Originally Posted by NihonX View Post
China might have some stricter emission laws or something.
China spec 1M's have a DIFFERENT EXHAUST then the RoW (rest of the world). THAT is why the inner exhaust pipes don't get dirty... bc they don't flow that much exhaust thru them.

This is like the fourth thread on this subject!!