KW Coilovers

2020–2023 Toyota GR Supra (A90) & BMW Z4 sDrive M40i (G29)

102200CH

Overview:

The KW V1 INOX-LINE coilover kit is the perfect entry point into high-quality street performance suspension for your Toyota GR Supra (2020–2023) or BMW Z4 sDrive M40i (2020–2023). Designed by KW’s expert engineers, this coilover system delivers a balanced and sporty driving experience tailored specifically to each vehicle’s dynamics. With corrosion-resistant stainless steel components and a pre-configured damper setup, the KW V1 offers maximum lowering potential within an approved range, ensuring optimal suspension travel and ride quality. Whether you’re seeking enhanced handling or a more aggressive stance, the V1 coilovers provide long-lasting performance and comfort for spirited driving on the street.

Key Features:

Engineered for enthusiasts who demand both sportiness and everyday usability, the KW V1 coilovers include:

• Vehicle-specific damper tuning and spring rates developed through extensive testing on the Nürburgring Nordschleife and KW’s 7-post chassis dynamics test center
• INOX-LINE stainless steel construction for permanent corrosion resistance and unlimited lifespan
• Composite spring perches made from wear-resistant polyamide with stainless steel inserts to prevent oxidation and maximize strength
• Dirt-resistant trapezoid thread and composite adjustment collars for seamless, easy ride height adjustment even after years of use
• Highly resilient elastomer bump stops with integrated dust protection to prevent contamination and maintain durability
• Pre-configured damper settings that reduce body roll and provide a direct, genuine sporty handling feel
• Maximum lowering within approved ranges to maintain proper suspension function and travel
• Hand-built and dyno-tested dampers with unique serial numbers for guaranteed quality and performance
• Limited lifetime warranty with unlimited mileage for peace of mind

Construction & Design:

The KW V1 coilovers are crafted with premium INOX-LINE stainless steel components, ensuring true and permanent corrosion resistance that will not wear off during adjustments. The use of polyamide composite spring perches with stainless steel inserts prevents oxidation and enhances durability, while also reducing friction for smooth height adjustments. Each coilover is meticulously engineered and hand-assembled at KW’s headquarters in Fichtenberg, Germany, where every damper undergoes rigorous dyno testing to ensure precise functionality. The elastomer bump stops feature an integrated dust protection system, shielding the piston rod from water and dirt to extend service life and maintain consistent ride quality.

Installation & Fitment:

The KW V1 coilover kit is designed for direct fitment on the Toyota GR Supra (A90) and BMW Z4 sDrive M40i (G29) models from 2020 through 2023. Installation requires no major modifications, allowing you to replace your factory suspension with confidence. The coilovers provide adjustable ride height within the manufacturer-approved lowering range, ensuring proper suspension travel and maintaining safety and comfort. Thanks to the corrosion-resistant design and easy-to-use adjustment collars, fine-tuning your vehicle’s stance and handling characteristics is straightforward and reliable even after extended use.

What's Included:

• Four KW V1 INOX-LINE stainless steel coilover struts
• Corrosion-resistant springs matched to vehicle-specific spring rates
• Elastomer bump stops with integrated dust protection
• Composite spring perches with stainless steel inserts
• Adjustment tools and hardware for installation
• Detailed installation instructions

Ideal For:

The KW V1 coilovers are ideal for drivers who want to enhance their Toyota GR Supra or BMW Z4 with a sporty yet comfortable suspension upgrade. Perfect for enthusiasts who enjoy spirited street driving and desire a lowered stance without sacrificing ride quality or safety. This kit suits those who prefer a pre-tuned suspension setup developed by experienced engineers, eliminating guesswork while delivering a harmonious balance of performance and everyday usability.

KW suspensions is a premium suspension brand known for coilover systems and motorsport-proven technology across street and racing applications. Their setups are engineered to deliver a refined balance of performance and control, making KW a favorite for enthusiasts who want precise handling and high-quality adjustability.