Quote:
Originally Posted by denaliman
So just to be clear...if you remove the current carbon filters and have to wait a few months to get the BMC you will be running with NO air filter at all? or are these carbon filters in addition to the regular air filters? Running with no air filters isn't a real good idea..no?
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The 2 charcoal filters are there
In Addition To the 2 regular engine air intake filters. Some BMW models (in N. America) have the secondary charcoal filters only for emission purposes to limit fuel vapors from coming out of the car when it is turned off.