AST 5100 Coilovers – BMW F87 M2 & M2 Competition

Regular priceFrom £2,604.00
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Product Description

AST 5100 coilovers for the BMW F87 M2 and M2 Competition combine adjustable ride height with single-adjustable rebound damping. Street, Street Performance and Club Racing versions provide different mounting equipment and rear suspension layouts. The configurations available are application-specific: the Street Performance kit listed here is for the standard M2, while Street and the appropriate Club Racing kit also cover the stated M2 Competition and CS applications.

AST coilover technical overview

Damper design & adjustment: The high-pressure monotube dampers use inverted front struts and are rebuildable. Springs are supplied with each kit, with spring-platform adjustment used to establish ride height. Rebound adjustment controls the resistance during damper extension after compression; it is a separate setting from ride height and does not change the spring rate.

Configuration differences

Street retains the original front and rear top mounts and the separate rear spring and damper arrangement.

Street Performance adds camber-adjustable front top mounts while keeping the original rear mounts and separate rear springs. The additional front mounting adjustment changes alignment capability, rather than adding a second damping control.

Club Racing includes camber-adjustable front and solid rear top mounts and converts the rear arrangement to a true coilover, carrying the spring on the rear damper. Separate Club Racing part numbers are used for the standard M2 and the M2 Competition/CS, so the vehicle choice matters even where the configurations share the same description.

Drop links are included with all configurations offered here.

Installation & setup: Ride height, wheel clearance and alignment should be checked as part of the installation. Where a car is equipped with factory Electronic Damper Control, Clubsport Garage recommends coding out EDC for non-electronic coilovers where supported; a compatible KW EDC cancellation kit provides a separately available hardware alternative.

Further information below.

Key Features

  • Single-adjustable rebound damping.
  • High-pressure monotube dampers with rebuildable construction.
  • Adjustable spring platforms for ride-height setting.
  • Front camber adjustment on configurations supplied with adjustable top mounts.

Vehicle Compatibility

  • BMW F87 M2: ACC-B3109SD Club Racing, ACU-B2104SD Street or ACT-B3104SD Street Performance.
  • BMW F87 M2 Competition and M2 CS: ACC-B2109SD Club Racing or ACU-B2104SD Street.
  • The ACT-B3104SD Street Performance kit listed here is for the standard M2, not the M2 Competition/CS.

What's Included

  • AST 5100 front and rear dampers.
  • Springs for the selected configuration.
  • Street Performance: camber-adjustable front top mounts.
  • Club Racing: camber-adjustable front and solid rear top mounts.
  • Drop links.

FAQs

Does changing the damper setting change the spring rate or ride height?

No. Rebound adjustment changes damping resistance. Ride height is set through the spring platforms, and the spring rate remains a property of the installed spring.

Can the dampers be serviced?

Yes. The AST 5100 uses rebuildable dampers. Servicing should follow AST's requirements for the particular application and use.

Does the car need an alignment after fitting?

The alignment should be checked and set at the chosen ride height. Wheel and tyre clearance also needs checking with the car's actual wheel specification.

Shipping & Delivery

Dispatch Times

Most stocked items dispatch within 1–2 business days. Some products may have longer lead times due to special ordering, availability, or build times. If your order contains multiple items, they may be shipped together once all items are ready unless otherwise agreed.

UK & International Shipping

We ship worldwide. Transit times vary depending on destination and courier. Tracking details are provided once your order is dispatched.

Import Duties & International Orders

International customers are responsible for all import duties, taxes, and clearance fees. These are not included in our prices and are outside of our control. Refusal or non-payment of import charges may result in return shipping, handling fees, and customs charges being deducted from any refund.

Damaged Shipments

If your parcel arrives visibly damaged, please refuse delivery or note the damage with the courier. If damage is discovered after opening, contact us immediately with photos. Do not install damaged items, as installation voids courier claims and return eligibility.

Returns

Returns must be authorised before sending anything back. Returns must be requested within 14 days of delivery and returned within 14 days of approval, in unused/uninstalled condition and in original packaging. Some items, including special-order, built-to-order, used, installed, or modified parts, are non-returnable.

Full details are available in our Shipping Policy and Returns & Refund Policy.

Warranty & Disclaimer

Warranty

Most products include a manufacturer’s warranty covering manufacturing defects only. Warranties do not cover wear and tear, improper installation, misuse or neglect, track use, competition or racing environments, labour costs, vehicle damage, downtime, or consequential loss. Warranty outcomes are determined by the manufacturer, not Clubsport Garage. Items must be returned for inspection at the customer’s cost unless agreed otherwise.

Fitment & Installation

Many products are aftermarket components and may require professional installation or minor adjustment. Perfect OEM-level fitment cannot be guaranteed. Professional installation by an experienced workshop is strongly recommended. Installed or used items cannot be returned.

Motorsport Use Disclaimer

Some products are intended for off-road, track, or motorsport use only and may not be legal for road use, for example non-TÜV/DOT-approved parts. It is the customer’s responsibility to ensure compliance with local laws, insurance requirements, and vehicle regulations. By purchasing and installing aftermarket parts, you accept all responsibility for ensuring compatibility, legal compliance, proper installation, and any resulting wear, damage, or failure.

Product Images & Descriptions

Product photos are illustrative and may differ slightly from the item supplied. If specific details are important, please contact us before purchasing.

Full details are available in our Terms of Service and related policy pages.