• AST Suspension 5100 Series Coilovers (Includes Front/Rear Top Mounts) (True Coilover) - 1995-1999 BMW 3 Series 325tds Touring (E36)
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AST 5100 Series Coilovers BMW 3 Series E36 95-99 | 325tds Touring (ACC-B1105S)

AST 5100 Series Coilovers BMW 3 Series E36 95-99 | 325tds Touring (ACC-B1105S)

ACC-B1105S

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The AST 5100 Series Coilovers for the BMW 3 Series E36 (1995-1999), specifically designed for the 325tds Touring model, are high-performance suspension components featuring inverted, upside-down shock absorber technology. This race-proven design enhances damper strength and provides superior suspension geometry under demanding conditions such as heavy lateral and braking loads. The coilovers deliver improved handling, stability, and ride quality compared to standard twin-tube shocks, making them ideal for both street and track use. The adjustable rebound feature allows for precise tuning to match driving preferences and conditions, ensuring optimal performance and comfort.

These coilovers are engineered to fit 1995-1999 BMW 3 Series E36 models with the 325tds Touring chassis. They are a direct replacement for factory shocks, offering a bolt-on installation process. The kit includes adjustable dampers that enable fine-tuning of ride height and rebound damping, providing a customizable driving experience. Suitable for enthusiasts seeking enhanced handling, these coilovers are perfect for street, track, or spirited driving, delivering race-inspired performance and durability for demanding driving environments.

Overview

The 5100 Series shock absorbers for the 1995-1999 BMW 3 Series 325tds Touring (E36) utilize inverted / upside down technology. The inverted design is race proven technology and produces an extremely strong damper, providing better suspension geometry under heavy lateral and braking loads as seen in a road and track environment.

The 5100 Series shock absorbers give your car a better performance than the standard twin tube design. With the 5100 Series suspension you can adjust rebound with one knob. The adjust platform allows you to adjust the ride height of your car. AST suspension shock bodies are specially designed to keep maximum stroke, even with a lower ride height.

How a Monotube design works?

Monotube design is essential for performance. The oil and nitrogen are separated by a floating piston, and allows the use of a larger piston, increasing the damper performance and sensitivity felt by the driver, all this added together produces more grip, gives more control and driver feedback from your vehicle.

What is a rebound adjustment?

Rebound controls the rate of extension of your shock absorber. By changing the rebound you can directly change the characteristics of the vehicle.

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: ACC-B1105S
  • Product: AST 5100 Series
  • Adjustment: 1 Way
  • System: Coil Over
  • Product Note: True Coilover
  • Front/Rear Ratio: Front = 60% / Rear = 40%
  • Strut/Shock Type: Front: McPherson strut / Rear: Eye 2 pin strut
  • Model Years: 1995-1999
  • Make: BMW
  • Model: 3 Series
  • Chassis: E36
  • Spring Kit: Included
  • Top Mounts: Front / Rear Included
  • Front Top Mounts: TMA-B11-A1-20F - Camber adjustable
  • Optional Front Top Mounts: Not Available
  • Rear Top Mounts: TMA-B01-B1-30R - Solid top mounts (no camber adjustment)
  • Adjustable Front Droplinks Available? No
  • Adjustable Front Droplinks Required? No
  • Adjustable Rear Droplinks Available? No
  • Adjustable Rear Droplinks Required? No
  • DDP Pistons Included? No
  • DDP Pistons Available? Yes
  • DLC Coated Shafts Included? No
  • DLC Coated Shafts Available? Yes
  • QDC Included? No
  • TUV Approved?
  • Comments: Works with OE top mounts.
Vehicle Fitment
  • 1995 BMW 3 Series 325tds Touring (E36)
  • 1996 BMW 3 Series 325tds Touring (E36)
  • 1997 BMW 3 Series 325tds Touring (E36)
  • 1998 BMW 3 Series 325tds Touring (E36)
  • 1999 BMW 3 Series 325tds Touring (E36)
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