AST Suspensions 5300 Competition Series 3-Way Street & Track Coilovers BMW 1 | 2 Series (F2X) | 3 Series (F3X) 2011-2016

For the best performance on the track, AST Suspension designed the Competition 3-way adjustable series to fit the 2015+ BMW 1 Series, 2 Series LCI 5 Bolt (F2X) & 2015+ BMW 3 Series LCI 5 Bolt (F3X) The 5300 Series shock absorbers are rebound adjustable in 12 positions on the strut.

The high speed compression is adjustable in 12 positions and the low speed compression is adjustable in 14 positions. Both compression adjustments are made using an external canister. All adjusters work completely independent.

Many years of technical knowledge, testing and experience has been refined, fettled and brought together to create a perfect balance between the choice of springs and the corresponding damping characteristics. This makes it a versatile product for every customer. The 5300 series shock absorbers are the best solution for every race team. Once installed, the AST shock absorbers are easy to setup, highly reliable and require low maintenance during the season because of the high grade of materials used.

All of this together makes the 5300 series shock absorbers a championship winning damper, over and over again. The AST 5300 Suspension is worldwide renowned for its performance at every level.

Features:

• High end, track ready suspension.
• Rebound, Low & Hi Speed Compression Adjustable ('Triples'), with a remote reservoir.
• Remote reservoirs allow additional travel, heat dissipation and oil/nitrogen gas capacity.
• 4.5mm 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 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) 44.5mm inverted shafts.
• Optional DDP piston (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 serviceable and rebuildable.
• Revalveable for specific characteristics.

Specifications:

• Product: AST Suspension 5300 Competition Series 3-Way Ultimate Track Coilovers
• Adjustment: 3 Way
• Front/Rear Ratio: Front = 60% / Rear = 40%
• Strut/Shock Type: Front: Clamp McPherson strut / Rear: Eye 2 pin strut
• Spring Kit: Included
• Front Top Mounts: Included
• Rear Top Mounts: Included

Fitment:

• BMW 1 Series, 2 Series LCI 5 Bolt (F2X) 2015+
• BMW 3 Series LCI 5 Bolt (F3X) 2015+
• BMW 1 Series, 2 Series Non LCI 3 Bolt (F2X) 2011-2015
  
• BMW 3 Series Non LCI 3 Bolt (F3X) 2011-2016