KW H.A.S. for BMW F83 M4 Suspension>Suspension Arms & Components Additional systems are available with

Additional systems are available with different options for sound level

Looking to crank it up or turn it down

The optimized unequal-length tube design enhances exhaust scavenging while creating the iconic boxer rumble

but the BORLA(r) sound is the part that puts a smile on everyone's face

Our bushings will stand up to high loads of any performance environment

KW H.A.S. for BMW F83 M4 Suspension>Suspension Arms & Components Additional systems are available withKW (H. A. S) Height Adjustable Spring kits are a great alternative to conventional lowering springs. You are no longer stuck with a fixed lowering height. KW H. A. S. systems allow you to adjust the vehicle ride height with the KW height adjuster even after the kit has been installed. Your vehicle not only gets a more dynamic look, but also the steering behavior and response of the standard dampers becomes more agile. All driver assistance systems and