OVERVIEW
The AST 5300 Series is a three-way adjustable coilover — independent high- and low-speed compression plus rebound — for the F80 M3 and F82 M4 (S55). It is a height-adjustable, rebuildable platform aimed at serious street and track use.
SPECS
- Three-way adjustable damping (high/low-speed compression + rebound)
- Height-adjustable, rebuildable coilover platform
- Front and rear coilovers with camber-adjustable top mounts as applicable
- SD kit includes required droplinks/divorced-rear set
PARTS INCLUDED
- Front and rear coilovers and springs
- Top mounts and hardware as supplied by AST
TECH RESOURCES
Additional Parts Required
- On cars with factory electronic damping (EDC), an EDC delete/canceler may be required.
Installation
- Professional installation and a corner-balance / alignment are recommended.
Notes
- This part number covers the pre-LCI F80 / F82 only. If your car is the LCI (facelift) version, contact Speed Logic to confirm fitment before ordering.
- This kit is for pre-LCI F80/F82 cars. Confirm your build date with us before ordering if your car is a 2017 or later model year.
PART NUMBER
- RAC-B2102SD
VEHICLE APPLICATIONS
| Make | Model | Chassis | Engine | Years |
|---|---|---|---|---|
| BMW | M3 | F80 | S55 3.0L Twin-Turbo I6 | 2015–2016 |
| BMW | M4 | F82 | S55 3.0L Twin-Turbo I6 | 2015–2016 |