Product Details

These AST Suspension Street Performance 5100 Series NCO coilovers fit the 2006-2011 BMW 325i Sedan RWD (E90).

This is the AST 5100 Street Performance Suspension for the E90 325i. This monotube coilover system is 1-Way adjustable for rebound and ride height, featuring camber-adjustable front top mounts for fine-tuned alignment. It includes adjustable spring rates, rebuildable dampers, and high-quality springs designed for long-lasting performance. The 5100 Street Performance Suspension is made in the Netherlands.

Standard Features

  • 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.
Specifications
Part Number ACT-B1601SD
Part Name 5100 Series Coilovers
Vehicle 2006-2011 BMW 325i Sedan RWD
Chassis Code E90
Ride-Height Adjustable Yes
Damping Adjustment 1-Way
Kit Includes 4 Shock Absorbers
Kit Includes Springs
Quantity Full Set (Front & Rear)
Notes -

Vehicle fitment

This product fits the vehicles listed below.

YearMakeModelDrivetrainNotes
2006BMW325iRWD
2007BMW325iRWD
2008BMW325iRWD
2009BMW325iRWD
2010BMW325iRWD
2011BMW325iRWD

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