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[message]This is AST Suspension RIV-B2106S BMW Suspension 5200 Series Coilovers.
- 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 monoevers.
- Aluminum cylinder, threaded body shocks, factory mounting style.
- New low friction seal on all AST Suspension 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.
- M3 3.0 TwinTurbo (F80 LCI 5 Bolt)(2014+)
- M4 3.0 TwinTurbo (F82 LCI 5 Bolt)(2014+)
To ensure the part(s) you have ordered fits your need, we run a compatibility check prior to dispatch. Feel free to contact us if you require any assistance!
AST-RIV-B2106S
Manufactured by
AST Suspension