ST XA Coilovers for BMW 1 Series F20/F21 (2011-2019) RWD – Height & Rebound Adjustable Lowering Kit 25–50mm/30–55mm – Fits 1K2/1K4, Non-EDC/Non-Adaptive – KW Engineered Suspension – Max Axle Load Front 1090kg Rear 1230kg

Adjustable Suspension Upgrade for BMW 1 Series F20 and F21 – Rear Wheel Drive, Non Adaptive

Transform the way your BMW 1 Series steers, grips and looks with this height and rebound adjustable suspension kit. Developed in partnership with KW Automotive, it blends everyday comfort with serious fast-road poise, giving you the drop you want and the control you need. Expect sharper turn-in, reduced body movement and a confident, planted feel on UK roads.

Why this performance suspension is a winner

• Rebound adjustable damping lets you fine tune firmness for road or spirited driving
• Height adjustable front and rear for the perfect stance and rake
• KW-engineered twin-tube dampers for dependable, consistent performance
• Galvanised strut bodies with extra coating for strong corrosion resistance in all seasons
• TUV tested adjustment range for peace of mind

Lowering range

• Front drop: 25 to 50 mm
• Rear drop: 30 to 55 mm

Load ratings and fitment

Designed for BMW 1 Series 3 door F21 and 5 door F20 rear wheel drive models with chassis codes 1K2 and 1K4. Suitable for vehicles without factory electronic damping systems.

• Maximum permitted front axle load: up to 1090 kg
• Maximum permitted rear axle load: up to 1230 kg

Please verify your vehicle’s axle weights before ordering.

Real world results

We have installed this kit on customer cars and the feedback is consistently positive. Drivers report crisper response, better mid-corner stability and a refined ride when set softer. Dial it up for back-road fun, wind it back for commuting – it is that versatile.

Technical highlights

• External rebound adjustment at the top of the piston rod for quick, on-car changes
• Low-friction, pressure-resistant damper housings for reliable damping control
• Monoblock guide and multi-lip seal package to reduce friction and protect against dirt and moisture
• Threaded spring perches at both axles where applicable for precise height setting
• Complete kit with matched springs, adjustable spring platforms, bump stops and dust boots

Professional fitting and setup

Want it fitted and aligned correctly first time? Book installation and geometry with MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.

SEO friendly search terms

BMW 1 Series F20 F21 suspension upgrade, height adjustable suspension, lowering kit, adjustable shocks and springs, rebound adjustable dampers, KW engineered suspension, performance suspension kit, BMW F20 lowering, BMW F21 handling upgrade, UK road and track setup.

Note: A four wheel alignment is recommended after installation to optimise handling and tyre wear.