ACT 91-03 BMW E36/E37/E46/E39 HD/Perf Street Sprung Clutch Kit j-series increased its baseline by an

increased its baseline by an astounding 52 wheel horsepower

This Silver Bullet throttle body spacer uses all factory mounting locations and a gasket ensuring a proper seal and a hassle-free installation

Includes jetting for 35

Year Make Model Submodel 2021-2022 BMW M3 Base 2021-2022 BMW M3 Competition 2021-2022 BMW M4 Base 2021-2022 BMW M4 Competition

ACT 91-03 BMW E36/E37/E46/E39 HD/Perf Street Sprung Clutch Kit j-series increased its baseline by anBM12 HDSS kit features ACT's most popular Heavy Duty pressure plate and most popular street disc. ACT Heavy Duty pressure plates use exclusive diaphragm design to increase clamp load, reduce deflection and maximize clutch life. All diaphragms endure a four stage, heat treating process for unparalleled performance. ACT pressure plates have precision cover stampings to provide rigidity and consistency. ACT's Performance Street discs feature premium