RIV-B2115SD is a vehicle-specific AST 5200 2-Way Motorsport suspension kit. A high-pressure inverted monotube motorsport kit with separate rebound and compression adjustment on remote reservoirs.
Manufacturer set description: BMW G8X M3/M4 Xdrive 5200 serie
Vehicle applications
Match the chassis, model, model year and drivetrain to your car. Contact GSM Performance with the registration or VIN if any detail is uncertain.
| Make | Model | Chassis | Years | Drive | Notes |
|---|---|---|---|---|---|
| BMW | M3 xDrive | G80 | 2021–Present | AWD | — |
| BMW | M3 Touring xDrive | G81 | 2021–Present | AWD | — |
| BMW | M4 xDrive | G82 | 2021–Present | AWD | — |
| BMW | M4 Convertible xDrive | G83 | 2021–Present | AWD | — |
Application notes
- Does your car have EDC, please order delete kit separately
Quick-disconnect options
- Front: Quick disconnect coupling front
Droplink references
- Front: DLA-10-288-306
Setup and installation
Spring rates and mounting parts are selected for the application. Have the kit installed and aligned by a suspension specialist. Check wheel, tyre and body clearance through the full steering and suspension travel, and follow the instructions supplied with the kit.
Ordering and lead time
This kit is made to order. The supplier currently advises an approximate four-week lead time, but this can change. Contact GSM Performance before booking installation if timing is critical.
Product image
The official manufacturer image represents this suspension family, not this exact vehicle-specific part number. Component shapes, mounts, spring layout and supplied contents can differ by application.
Current product-family information: AST x MOTON.




