ST Suspensions XA Coilover Suspension Kit for BMW 1 Series E81/E87 (2004-2011) – Height & Damping Adjustable Lowering Coilovers | Hatchback 1er E8x | Fits 187/1K2/1K4 | KW Engineered |

Transform your BMW 1 Series handling and stance with the ST XA height and damping adjustable suspension kit. Engineered in partnership with KW Automotive, this road and track focused coilover system gives you precise control over ride height and rebound so you can dial in sharper turn in, flatter cornering and everyday comfort for UK roads.

Fitment
BMW 1 Series hatchback E81 and E87, model years 2004 to 2011. Also referenced by chassis codes 187, 1K2, 1K4.

Lowering range
Front: 35 to 65 mm
Rear: 35 to 65 mm

Maximum permitted axle loads
Front: up to 920 kg
Rear: up to 1060 kg

Why enthusiasts choose ST XA for the E8x 1 Series

• Rebound adjustable at the top of the piston rod for quick fine tuning - go firmer for a planted feel and reduced roll, or soften for compliant daily driving.
• Continuously height adjustable via threaded spring perches for that perfect fast road setup, track day stance or subtle drop.
• KW twin-tube damping technology with low-friction internals for consistent performance and great road feel.
• Galvanised steel struts with multi-layer coating and a robust guide and seal package for durability in all UK weather.
• TÜV tested adjustment window and vehicle-specific spring and damper rates for confidence and safety.
• Complete package including adjustable spring seats, performance springs, bump stops and dust boots.

Real-world upgrade for grip, feedback and control
Expect crisper steering response, improved chassis balance and reduced dive and squat compared with tired factory suspension. The ST XA kit turns your 1 Series into a more agile, confidence-inspiring driver’s car while remaining civilised for commuting. We have installed and run ST XA on customer cars and our own demos and the feedback is consistently positive on both B-roads and motorway miles.

Popular search terms to help you find the right kit
BMW 1 Series E81 E87 suspension kit, adjustable shocks and springs, coil over suspension, coil-over kit, height adjustable shocks, rebound adjustable dampers, lowering kit for 1 Series, performance suspension upgrade, fast road coilovers, track day suspension, BMW 1er E8x chassis upgrade, sport suspension for hatchback.

Installation and support
For professional fitting, alignment and setup, book with MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk for a tailored quote. We can set ride height and rebound to suit daily driving, spirited road use or occasional circuit work.

Helpful notes
- Always verify your vehicle’s axle weights before installation.
- A full four-wheel alignment is strongly recommended after lowering.
- Final drop may vary with engine, trim and optional equipment.

Upgrade your 1 Series today
Get the look, control and confidence you want with an adjustable coilover solution that blends comfort and precision. The ST XA is a proven, value-packed performance suspension for the E81 and E87.