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      03-10-2013, 09:22 AM   #18
NISFAN
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Drives: BMW M2
Join Date: Aug 2012
Location: Bedford UK

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Quote:
Originally Posted by jmh View Post
Yes the US spec cars have two filters in the airfilter housing.
One is the charcoal filter (grey color and in the upper half of the housing)
the other one is the regular (yellow) airfilter sitting on the lower half of the housing.
The DYI is for the removal of charcoal filter.
DO NOT remove the airfilter as it can lead to severe damage of your engine.
Thanks for the clarification.
Appreciate 0