Product details
OVERVIEW
The AST 5100 Series is a monotube, single-adjustable (rebound) height-adjustable coilover for the G8X BMW M2, M3 and M4 (S58), offered for both RWD and xDrive. A street-and-track setup in a rebuildable AST platform.
SPECS
- Single-adjustable (rebound) monotube damping
- Height-adjustable, rebuildable coilover platform
- Fits RWD and xDrive S58 M cars
PARTS INCLUDED
- Front and rear coilovers and springs
- Top mounts and hardware as supplied by AST
TECH RESOURCES
Additional Parts Required
- EDC cancellation module — required. These cars come with factory Adaptive M (EDC) dampers, which must be cancelled to prevent damper fault warnings: KW ESC Cancellation Module Pair — choose 68511187 (G80 / G82 / G83 / G87).
- Four-wheel alignment — mandatory. Camber, caster and toe change with ride height; book a full alignment (and corner-balance for track use) immediately after installation.
Installation
- AST Install & Setup guide (ast-suspension.com) — the manufacturer's installation and setup procedure: kit verification, spring preload, clearance checks and handling warnings.
- AST Torque Specifications (ast-suspension.com) — manufacturer torque values plus thread preparation and threadlocker guidance.
- Request an Install Appointment
PART NUMBER
- ACU-B2110SD
VEHICLE APPLICATIONS
| Make | Model | Chassis | Engine | Years |
|---|---|---|---|---|
| BMW | M2 | G87 | S58 3.0L Twin-Turbo I6 | 2023+ |
| BMW | M3 | G80 | S58 3.0L Twin-Turbo I6 | 2021+ |
| BMW | M4 | G82 | S58 3.0L Twin-Turbo I6 | 2021+ |
| BMW | M4 | G83 | S58 3.0L Twin-Turbo I6 | 2022+ |