STXA Coilover Kit - 4-series (F32, F33, F36); (3C) Gran coupe; 2WD without electronic dampers max. allowed axle weight in kg Front: -1015

Adjustable performance suspension for BMW F-Series coupé and Gran Coupé RWD

Give your BMW a serious handling upgrade and a purposeful stance with the ST XA adjustable coilover suspension by ST Suspensions, engineered alongside KW Automotive. This road-focused, rebound-adjustable kit lets you tune firmness on the car in seconds for fast-road sharpness or daily comfort, delivering flatter cornering, improved stability and a confident, planted feel.

Ideal for enthusiastic drivers who want height adjustability and on-car damping adjustment from a proven German-made system that is built to thrive on British roads.

Key fitment info

• Chassis compatibility: BMW F-series 2-door coupé, cabriolet and 4-door Gran Coupé within the F3x family
• Drive type: rear wheel drive vehicles only, non electronic damper control
• Maximum permitted axle load: Front 951 to 1015 kg, Rear up to 1265 kg
• Lowering range: Front approximately 40 to 65 mm, Rear approximately 40 to 65 mm

Why choose ST XA for your BMW

• Rebound adjustment at the top of the piston rod for quick, precise on-car tuning
• Height adjustable threaded bodies for accurate ride height control and perfect stance
• Twin-tube damper design with low-friction internals for consistent performance
• Galvanised struts with additional coating for strong corrosion protection in UK climates
• High quality spring and damper package with bump stops and dust boots included
• TÜV-tested adjustment range for a safe, useable drop
• Developed with KW know-how for dependable durability and road confidence

Real-world benefits

• Sharper turn-in and reduced body roll for a more direct, agile drive
• Greater high-speed stability and improved steering precision
• Dial in comfort or firmness to suit your journey, wheels and tyres
• Even ride-height control front and rear for the look you want without compromise

What you get

• Front and rear dampers with adjustable rebound
• Performance springs and threaded spring perches
• Matched bump stops and dust protection
• Fitting hardware and instructions

Our experience

We run these on customer cars and our own builds. Feedback is consistently positive, with owners praising the improved response, ride quality and the ability to fine-tune firmness for daily use or spirited driving. It is a brilliant balance of comfort and control from a brand we trust.

Popular search terms this kit satisfies

BMW F3x suspension upgrade, height adjustable shocks, rebound adjustable suspension, coil over kit for BMW coupé, Gran Coupé lowering kit, fast road suspension, performance shocks and springs, KW engineered dampers, twin-tube adjustable shocks, stance and handling upgrade, non adaptive damper compatible, RWD coilovers for BMW.

Fitting service

Professional installation highly recommended. MJ Modifications can supply and fit at our workshop in Warwickshire. For a fitted price, email info@mjmodifications.co.uk with your vehicle details and registration.

Notes: Ensure your vehicle specification matches the stated axle loads and non electronic damper requirement. Ride height figures are approximate and depend on vehicle spec and equipment.