2014-2019 BMW M3/M4 (F80/F82) COILOVERS S3 Suspension With our engineering design

With our engineering design

Optional helper springs

Track Tested and Tuned for optimum performance yet keeps the quality ride you get from the showroom

Zinc plated hardware (application dependent)

high grip rubber for maximum safety

2014-2019 BMW M3/M4 (F80/F82) COILOVERS S3 Suspension With our engineering designOverview S3 coilover systems may be "simple' by name but that is as far as it goes. This one way adjustable coilover kit for the 2014 2019 BMW F80 & F82 M3 M4 has been meticulously developed using premium components and assembled by hand in our Southern California facility. Spring rates and valving have been selected based on hours of shock dyno and extensive on and off track testing to ensure optimal vehicle handling performance and reliability. This