Part: BMC sport air filter Car : AUDI A6 (4A/C4) Engine: 40 TDI 2.0 ID / Chassis: 4A HP: 204 Year: 18 > Engine Code: DFBA Part no. FB01071 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 best conditions for full exploitation of maximum power. Therefore the benefits of replacing the original paper filter with BMC cotton air filter, produced using the same technology and materials as the F1 air filters, are evident. - more momentum - street legal - more power - perfect in combination with engine tuning