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      03-05-2018, 09:43 AM   #233
hting
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Drives: E90 328i
Join Date: Dec 2014
Location: United States

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Quote:
Originally Posted by adr View Post
Open the air box.
Cut the carbon filter.
The result is like this.

Why your charcoal filter was so dirty with debris ?
No dirt should get onto it if the outer filter is sealed properly in the air filter box.
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