The BMC Air Filter FB866/04 was manufactured developed and, in order to guarantee a higher air passage opposite the conventional paper filter one BMW X5 & X6 (f15, F85) M 4.4 Full Kit.
By the replacement of the paper filter with a BMC Air Filter FB866/04, with which the same technologies and materials of the formula 1 - Filter are used, clear advantages result to series vehicle also at BMW.
