Part: BMC sport air filter Car : BMW X 6 (E71, E72) Engine: M50 dx ID / Chassis: HP: 381 Year: 12 > Engine Code: Part no. FB821/04 Description: BMC air filters are designed and produced to ensure a higher air flow than original paper filters. In F1, for example, BMC cotton filters minimize the loss of air flow pressure passing through the air filter; this way ensures the...