Performance M
BMW 4 Series F32 F33 F36 Coilovers ST X by KW – Height Adjustable Suspension Kit (Gran Coupe) RWD/2WD Non-EDC 40–65mm Lowering | Coil Over Shock Kit | No Adaptive Damping | Max Front Axle 1015kg
BMW 4 Series F32 F33 F36 Coilovers ST X by KW – Height Adjustable Suspension Kit (Gran Coupe) RWD/2WD Non-EDC 40–65mm Lowering | Coil Over Shock Kit | No Adaptive Damping | Max Front Axle 1015kg
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BMW 4 Series F32 F33 F36 Gran Coupe RWD Height-Adjustable Suspension - ST X by KW Automotive
Transform the way your BMW drives and sits with the ST X height-adjustable suspension system. Built by KW Automotive, this coilover set delivers precise handling, confident road holding and a purposeful stance while remaining comfortable for everyday use. If you want sharper turn-in, less body movement and consistent grip without compromising daily drivability, this is the upgrade.
Compatibility
For BMW 4 Series chassis codes F32 Coupe, F33 Convertible and F36 Gran Coupe. Rear-wheel-drive vehicles without factory electronic damping control.
Approved axle loads
Front: 951 to 1015 kg
Rear: up to 1265 kg
Ride height adjustment range
Front drop: 40 to 65 mm
Rear drop: 40 to 65 mm
Why choose ST X for your BMW
- Height-adjustable on the car using robust composite collars for easy, precise ride height setting.
- Corrosion-resistant galvanised struts with additional protective coating for long-term durability on UK roads.
- German-engineered twin-tube dampers with low-friction internals and chrome-plated piston rods for dependable performance.
- Matched spring and damper rates reduce roll, squat and dive to improve stability and traction without harshness.
- Complete solution supplied with adjustable spring perches, performance springs, bump stops and dust boots.
- Adjustment range tested for the platform to keep geometry and driving dynamics on point.
Real-world results
We have installed this setup for numerous customers and on our own builds. Feedback is consistently positive: better control in fast corners, smoother body control over uneven surfaces and a cleaner, more aggressive ride height. A proper coilover kit is a massive step up over simple lowering springs, and ST X nails that balance of comfort and performance.
Ideal for
- Daily driving with a sportier feel
- Fast road use and B-road blasts
- Achieving an even, level stance with usable clearance
Professional installation available
We recommend expert fitting and a full alignment after installation. MJ Modifications in Warwickshire offers supply and install services. To request a fitting quotation, email info@mjmodifications.co.uk.
Search-friendly terms
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