SM400 - Adjustable Feel - 1" Lowering
Sofr while cruising, firm on the turns! The all-new SM400 is the answer for those who want their suspension to automatically adjust to their driving style. It uses all-new Koni Special Active shocks and pairs them with Eibach springs, which give you a 1" drop.
- 100% complete - new shocks, springs, strut mounts, bumpstops, spring pads, and all the other parts you need to return your suspension to new.
- Fully-assembled to BMW specs - no need to compress springs!
- Save $$$ - Open box and install yourself, or bring it to a shop and save on labor fees.
- All parts BMW/OEM quality
- Guaranteed to fit your car
Add our rear lower shock mount kit (below) if your current suspension is over 5yr/50K miles.
Add our rear upper shock mount kit (below) if your current suspension is over 7yr/100K miles.