05-13 BMW 3 Series RWD Feal Coilovers

Default spring rates:441: 10k/11k (10k/6k if true rear coilover)441+: 10k/12k (10k/6k if true rear coilover)**Recommend reinforcing rear shock mounts for true rear coilover option.**Cars with electronic adjustable shock option must use non-electronic adjustable top shock mount bushings.Each shock is designed with expertise from our success in many top-level international motorsports and through years of experience tuning various shock brands. We at Feal Suspension strongly believe that our coilovers have an edge on shock design that gives you confidence and a competitive advantage where needed most.441 - Damping adjustability that adjusts Rebound and Compression in one knob. Very easy to tune vehicle firmness, dive, and roll. 441.5 - 1 Way Adjustable fronts, 2 way adjustable rears with remote reservoirs. The 441.5 kit is a great “bang-for-the-buck” solution for Drifting and Drag Racing. Fine tune traction at every track by adjusting the rear compression force. Also, the rear shock’s 44