ST Suspensions X Coilovers by KW - BMW 4 Series (2013-2020) F32 F33 F36 RWD (2WD) - Height Adjustable Suspension 40-65mm Drop - Coupe, Convertible, Gran Coupe - Non-EDC (No Adaptive Dampers) - Performance Lowering Shocks & Springs Coilover Kit

Height-Adjustable Suspension Upgrade for BMW 4 Series RWD

Transform the stance and handling of your BMW with this premium height-adjustable suspension system engineered by KW Automotive under the ST X programme. Perfect for drivers who want a sharper, more planted feel on the road without sacrificing comfort, this complete threaded-body kit delivers precise ride height control and a serious visual drop.

Fitment

• Chassis: BMW F32 Coupe, F33 Convertible, F36 Gran Coupe
• Drive: Rear wheel drive models only
• Compatibility: Vehicles without factory adaptive damping or Electronic Damper Control
• Front axle load: 961 to 1025 kg
• Rear axle load: up to 1265 kg

Lowering Range

• Front: 40 to 65 mm
• Rear: 40 to 65 mm

Why choose this coilover suspension for your BMW

• Real-world performance: noticeably tighter cornering, reduced body movement and improved response through quick direction changes.
• On-car ride height adjustment: easy changes using a robust composite adjuster collar on the threaded strut bodies.
• Engineered by KW Automotive: renowned expertise, consistent damping and high-quality internal components.
• Built to last: galvanised steel struts with an additional protective coating for corrosion resistance in British weather.
• Smooth operation: low-friction internals and hard-chromed damper shafts for durability and consistent performance.
• Twin-tube technology: great road compliance with confident control for daily driving and spirited use.
• Complete package: adjustable spring seats, performance springs, bump stops and dust boots included.

What you can expect

Instantly improved road feel, a cleaner stance and a more confident drive. Our team at MJ Modifications has fitted these kits to customer cars and our own builds, and the feedback is consistently positive — precise steering, better traction and a ride that feels premium without being harsh.

Installation and support

Professional fitting recommended. MJ Modifications in Warwickshire offers installation, setup and post-fit alignment. Request a quote at info@mjmodifications.co.uk.

Good to know

• Ensure your vehicle’s axle weights are within the stated limits.
• Not suitable for models with factory electronic dampers unless the system is properly deleted.
• Alignment is required after installation to optimise tyre wear and handling.

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