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as well as working with some OE factory boost control systems where being retro-fitted
Highly aggressive intake tone under acceleration
The 340mm x 30mm discs use the MMR directional groove design across the face for improved bite and debris clearance
Typical peak gains from our CAI are roughly 15-20 Horsepower and Torque
VVT Control
MMR PANEL AIR FILTER 'ELITE SERIES' I BMW B58 M140i I M240i I 340i I 440i Engine_1.8 Turbo as well as working withLooking for the ultimate Air Filter for your BMW B58 M140i, M240i, 340i or 440i? MMR Performance have developed an 'Elite Series' of direct replacement foam panel filters for the BMW B58, manufactured using some of the same techniques and materials as seen in Formula 1, World Rally and Touring Cars. These design skills, the advanced technology and attention to detail are also all used to produce our Elite Series of high grade replacement filters for