The BMC Air Filter FB545/20 was manufactured developed and, in order to guarantee a higher air passage opposite the conventional paper filter one Audi A4 (8k, B8) 1.8 TFSI.
By the replacement of the paper filter with a BMC Air Filter FB545/20, with which the same technologies and materials of the formula 1 - Filter are used, clear advantages result to series vehicle also at Audi.
