This item fits the 4.0L V8 (S65) equipped E90 M3 Sedan, E92 M3 Coupe, and E93 M3 Convertible. torque and out-flowed the factory intake by 41%. This unique intake system is designed to use the factory intake box to seal the intake tube and filter and tube against unwanted underhood temperatures while increasing air flow and velocity for optimum performance.