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[message]This is AST Suspension ACU-B1107S BMW Suspension 5100 Series Coilovers (Excludes Front/Rear Top Mounts) (True Coilover).
- Floating piston design with high pressure nitrogen means no cavitation around the piston.
- 14mm diameter internal shaft.
- 44.5 mm diameter shaft struts, inverted.
- Steel cylinder body shocks, inverted.
- High end, track ready suspension.
- Rebound adjustable ('Singles').
- Low friction seal.
- Adjuster knobs permanently mounted on the dampers.
- Designed to use OEM top mounts.
- Rubber bushings for 'eye' shock mounts.
- Includes springs.
- Rebuildable.
- Optional spherical top mounts.
- 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.
- Optional custom valving.
- M3 3.2 Convertible/CSL (E46)(2001-2006)
- M3 3.2 Coupe (E46)(2000-2006)
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-ACU-B1107S
Manufactured by
AST Suspension