Enhance your BMW X3M / X4M with the Ac Schnitzer Quad Sports Exhaust. This axle-back exhaust system provides superior performance with an aggressive sound in a lightweight package. Enjoy increased horsepower and torque for improved acceleration, with zero drone.

Retains the exhaust valve(s) and OPF (particulate filter).

Only for cars built up to December 2020.

Fitting instructions in German and English. 18AW (1.5 hours) recommended.