KW V4 Coilover Suspension for BMW G8X M2/M3/M4 with Electronic Damper Deactivation

High-performance racing technology for daily road use with KW 3-way racing damper adjustment technology

With the KW Variant 4 coilover suspension "inox-line" we combine our leading racing technology with a significant increase of everyday suitability for numerous high-performance vehicles. This enables an independent adjustment of the rebound stage damping as well as low-speed and high-speed compression stage damping. KW supplies the Variant 4 with a vehicle-specific performance setting. With the adjustable dampers, drivers can " if necessary " quickly change to a comfort setting by using the integrated setting dials on the damper.

Setup " factory-set pre-configured damper setup with separately 3-way damper adjustment

The three-way adjustable high-performance dampers with the independent setting of the rebound stage by the "TVR-A" technology as well as the low-speed and high-speed compression stage damping by the "TVCLH-A" technology are based on the successful racing technology of the multiple overall winner of the ADAC Zurich 24h Nürburgring race and are depending on the vehicle-specific version, braced with aluminum top mounts. The new KW Coilovers Variant 4 are exclusively developed for selected high-performance-vehicles, which due to the sophisticated KW suspension technology can benefit from safer driving at the limits of their driving dynamics.

TVR-A rebound stage damping (Twin Valve Rebound " Adjustable):
The two-step, patented "TVR-A" technology enables the small volume to flow through an adjustable, conical low-speed bypass in the case of slow damper speeds, while in the case of higher piston speeds, the main rebound stage valve opens for the large volume flows. This provides a big improvement in terms of ride comfort without influencing the high-speed in the safety-relevant range. There are 16 precise clicks available for individual settings, so you can choose between more comfort or more body control. 

TVCLH-A compression stage damping (Twin Valve Compression Low Highspeed " Adjustable):
With 6 precise clicks in low-speed and 14 precise clicks in high-speed range of the compression stage damping, the cross sections in the valves are decreased or increased, in order to achieve either more or less compression stage damping. The "TVCLH-A" technology has a blow-off characteristic with large cross-sections which allows high low-speed forces for an optimum bracing of the vehicle body without raising the body in the case of wheel-induced high damper speeds (driving over curbs). The separate low and high-speed setting is always supplied with an additional rebound setting for an in dependent 3-way damper setting.

Continuous lowering

The KW Variant 4 allows a maximum or individual lowering within the tested adjustment range. Due to the dirt-resistant trapezoidal thread and the polyamide threaded ring, the continuous lowering can be varied quickly and easily, even after the years.

The benchmark for Coilovers

As with all KW Coilovers, the engineers at KW develop in extensive test cycles on the Nürburgring Nordschleife and in our test center on the KW 7-post rig the vehicle-specific KW damper setup estimated by car enthusiasts worldwide. So you will experience your car even more directly and dynamically with a KW coilover kit. After all, you do not buy just any coilover kit, but a KW coilover kit that has been especially developed and adapted for your vehicle type. KW as manufacturer exclusively uses own resources, high-quality components and the same damper technology as high-volume manufacturers. With the KW coilover suspension Variant 4 "inox-line" the roll and pitch movements of the vehicle body are reduced during compression, so you benefit from an unadulterated directness and sportier handling while driving.

Euro Kustoms - Shipping, Returns & Refunds Policy

Last updated: 5 October 2025

Business Name: Euro Automotive Group Pty Ltd (trading as Euro Kustoms)
ABN: 98 629 757 035
Business Address: 8 Sir Joseph Banks Street, Botany NSW 2019, Australia
Email: info@eurokustoms.com.au
Phone: (+61) 451 513 339

1. Overview

Euro Kustoms supplies automotive parts and accessories and ships items Australia-wide via third-party courier services. This policy sets out our shipping practices, returns, refunds, warranties, and your rights under the Australian Consumer Law (ACL).

Due to the size, weight, or specialised nature of certain products, freight insurance is not always included. Unless additional insurance is arranged, goods are shipped at the buyer’s risk to the extent permitted by law.

2. Orders, Buyer Responsibilities & Transit Risk

• Buyers must provide accurate delivery details and a valid contact number at checkout.

• Items over 25kg or longer than 1 metre cannot be delivered to PO Boxes.

• Title and risk pass to the buyer upon dispatch, except where ACL applies.

• All items are inspected and packaged prior to dispatch.

• Euro Kustoms is not liable for loss or damage in transit unless additional freight insurance has been purchased.

• Optional freight insurance may be available and must be requested within 24 hours of purchase.

3. Stock Availability & Supply

• Stock availability is not guaranteed.

• Some products are custom-made, made-to-order, or imported.

• Estimated dispatch and delivery times are indicative only and may change without notice.

• Euro Kustoms is not responsible for delays caused by suppliers, manufacturers, importers, or couriers.

4. Dispatch & Delivery

• Orders are generally dispatched within 1–5 business days after payment clearance, unless otherwise stated.

• Delivery timeframes typically range from 7–10 business days, depending on location and courier.

• Tracking details are supplied for all shipments.

• Deliveries occur during standard business hours (weekdays only, excluding public holidays).

• Failed deliveries, incorrect addresses, or incomplete details may result in delays, returns, or redelivery fees.

5. Australian Consumer Law (ACL) Guarantees

Our goods come with guarantees that cannot be excluded under the ACL.

• For major failures, you are entitled to a refund, replacement, or repair.

• For minor failures, you are entitled to a repair or replacement.

• This policy does not limit or exclude any non-excludable rights under ACL.

6. Faulty Goods, Warranty & Damage Claims

• Claims must be lodged within 7 days of delivery, including order number and supporting evidence.

• Euro Kustoms may assess the product and/or liaise with the manufacturer or importer.

• Remedies may include repair, replacement, or refund (refunds are provided only where no other remedy is reasonably available).

Important conditions:

• Warranty may be void if the product has been modified, altered, incorrectly installed, or tampered with.

• Euro Kustoms is not liable for labour, diagnostic, fitting, or refitting costs.

• If customer actions contributed to the issue, remedies may be reduced or refused.

• Refunds for ACL-approved faults exclude shipping costs unless legally required.

• If a claim is rejected, the item will be returned at the customer’s cost.

• Storage fees of 10% of the item value per 14 days may apply after notification.

7. Change-of-Mind Returns (Discretionary)

• May be considered & determined at Euro Kustoms’ discretion within 7 days of delivery.

• Items must be unused, unfitted, and returned in original packaging & have a genuine reason for return.

• A 25% restocking fee applies.

• All return freight costs are the responsibility of the customer.

• Refunds are processed within 5–10 business days after inspection.

8. Order Cancellations

• Orders cancelled after placement but before dispatch or production incur a 25% restocking fee.

• Orders already dispatched are treated as returns.

9. Freight & Return Shipping Costs

• Shipping and handling fees are non-refundable.

• If free shipping was included, return freight is charged at 20% of the item value.

• Customers are responsible for ensuring returns are adequately packaged, insured, and traceable.

• Euro Kustoms is not responsible for items lost or damaged during return transit.

10. Non-Returnable & Excluded Items

Returns are not accepted for:

• Electrical items that have been installed or used.

• Custom-made, special-order, clearance, or discontinued items.

• Items marked “non-returnable”.

• Products damaged through misuse, incorrect installation, or unauthorised modification.

11. Returns Authorisation (RMA) Process

1. Email info@eurokustoms.com.au with:

   • Order number

   • Item(s) being returned

   • Reason for return (with photos where applicable)

2. Await written Return Authorisation (RMA) approval and instructions.

3. Clearly display the RMA number on the package.

4. Returns without an RMA will be refused.

12. Road-Use & Compliance Disclaimer

Unless expressly stated otherwise, products sold by Euro Kustoms are not certified for legal road use in Australia.

The customer is solely responsible for compliance with applicable laws and regulations. Euro Kustoms accepts no liability for damages or losses, penalties, defects, or enforcement actions arising from the use of non-compliant products.

13. Limitation of Liability

To the maximum extent permitted by law:

• Euro Kustoms excludes liability for indirect, incidental, or consequential loss, including loss of profit, loss of use, or business interruption.

• Liability for goods is limited, at Euro Kustoms’ discretion, to repair, replacement, or refund, except where Australian Consumer Law requires otherwise.

14. Force Majeure

Euro Kustoms is not liable for any delay or failure to perform its obligations where such delay or failure is caused by events beyond our reasonable control, including but not limited to supplier delays, manufacturing shortages, shipping congestion, port delays, customs clearance issues, industrial action, natural disasters, acts of government, or failures of courier or logistics providers.

15. Installation Responsibility

Unless expressly stated otherwise, products supplied by Euro Kustoms are intended to be installed by a suitably qualified professional.

Incorrect installation, failure to follow manufacturer instructions, or use outside the intended purpose may void any warranty and limit or exclude available remedies. Euro Kustoms accepts no responsibility for damage, faults, or losses arising from improper installation.

16. Governing Law & Jurisdiction

This policy and any disputes arising from it are governed by the laws of New South Wales, Australia. You agree that the courts of New South Wales have exclusive jurisdiction.

17. Contact Information

For all enquiries relating to shipping, returns, refunds, or warranties:

Email: info@eurokustoms.com.au
Phone: (+61) 451 513 339
Address: 8 Sir Joseph Banks Street, Botany NSW 2019, Australia