XSeries-forum

Advice please,

I am thinking of changing my current standard air filter to a K & N performance air filter on my 4.4 320bhp E53.(year 2005)  36,000 mile on clock..

Anyone done the same on their X5... Good idea or not.

Thank you very much

Cheers

Andy

We have 2 cold air induction kits left if you need one


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