Product Details
The AST 2-Way Motorsport Suspension for the 2007-2013 Alpina B3 S Bi-Turbo Allrad AWD (E90) is built for track use. This monotube coilover system is 2-Way adjustable for rebound, compression, and ride height, featuring external reservoirs for maximum consistency under extreme conditions. It includes camber-adjustable front top mounts, solid rear mounts, and adjustable-rate springs. It is fully rebuildable and made in the Netherlands. Rebound and compression adjust independently to tune body roll, response and traction.
Standard Features
- High end, track ready suspension that is totally streetable.
- Fully upgradeable to 5300 spec.
- Rebound and Compression Adjustable (Doubles), with a remote reservoir.
- Remote reservoirs allow additional travel and heat dissipation.
- 44.5mm diameter shaft struts are inverted and offer exceptional strength, which in turn reduces geometry change under corner and braking maneuvers.
- Aluminum cylinder, threaded body shocks, factory mounting style.
- New low friction seal on all AST dampers.
- Spherical lower eye shock mounts.
- Reservoir with hose or piggyback (piggyback examples: 2008 STI, BMW E36 rears).
- Spherical upper shock mount assemblies.
- Synthetic hydraulic fluid.
- Optional DLC (diamond like carbon) coated shafts.
- Optional DDP (double digressive piston).
- Double Digressive Pistons are recommended for use on the non-driven wheels.
- 4WD/FWD vehicles: DD pistons for both rear axle struts/shocks.
- RWD vehicles: DD pistons for both front axle struts/shocks.
- Fully service and rebuildable.
- Revalvable for specific characteristics.
Specifications
| Part Number | RIV-B1608SD |
| Part Name | 5200 Series Coilovers |
| Vehicle | 2007-2013 Alpina B3 S Bi-Turbo Allrad AWD |
| Chassis Code | E90 |
| Ride-Height Adjustable | Yes |
| Damping Adjustment | 2-Way |
| Kit Includes | 4 Shock Absorbers |
| Kit Includes | Springs |
| Quantity | Full Set (Front & Rear) |
| Notes | - |