KW Clubsport 2-Way Coilover Suspension Kit for BMW M135i 1 Series F20/F21 (2011-2014) RWD | Height Adjustable Track Day/Fast Road | Non-EDC/EDC Delete/No Adaptive Damping | Lowering Kit | Adjustable Shocks | 1K2 1K4

BMW 1 Series M135i F20 F21 RWD Adjustable Suspension Kit by KW Clubsport 2-way

Level up your M135i with a serious suspension upgrade designed for fast road and circuit use. This KW Clubsport 2-way setup gives you proper twin-adjust control over your dampers for confident handling, razor-sharp steering and repeatable lap pace, while remaining totally usable on British roads. If you are after an M135i lowering kit with precision adjustment, this is the enthusiast choice for F20 and F21 owners who want road-and-track performance without electronic damping.

Vehicle compatibility

• Make and model: BMW 1 Series M135i F20 and F21
• Drive: Rear-wheel drive
• Production years: 2011 to 2014
• Without adaptive damping no EDC
• Model codes: 1K2 and 1K4

Ride height adjustment range

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

Approved axle loads

• Front: 921 kg to 1090 kg
• Rear: up to 1230 kg

Why this kit transforms your M135i

Engineered through intensive testing on the Nürburgring Nordschleife and real-world B-roads, this KW Clubsport 2-way package delivers the balance, grip and stability keen drivers demand. Independent rebound and compression tuning lets you dial in support for turn-in, traction off slow corners and high-speed composure on imperfect tarmac. The stainless steel Inox-Line construction resists corrosion, keeping threads free and adjustments smooth season after season.

Key highlights

• Independent 2-way damping adjustability
• 16 clicks of rebound for body control and ride quality
• 12 clicks of low-speed compression for front-end bite and traction
• Inox-Line stainless bodies for durability in UK weather
• Continuously variable height adjustment within the tested range
• High-quality, maintenance-free components with supporting certification
• Optional spherical bearing aluminium top mounts on selected applications
• Easy-access adjusters for quick setup changes between road and track

What you will feel

• Crisper steering response and reduced roll
• Stronger traction on corner exit and better support under braking
• Confident high-speed stability on undulating roads
• Consistent performance for track days with road usability

Real feedback from the MJ Modifications community

We run this suspension on our own fast-road builds and on customer cars. The verdict is the same every time: planted, predictable and fast. Owners report noticeably higher cornering speeds, improved braking stability and a controlled ride for a circuit-focused coilover kit.

Who this suits

Ideal for drivers who want a serious M135i suspension upgrade for track days and spirited road use with proper adjustability. If you are comparing adjustable shocks for the BMW F20 F21 and want twin-adjust control without adaptive damping, this kit sits at the top of the shortlist.

Professional installation and setup

For fitting, alignment and a tailored setup, choose MJ Modifications in Warwickshire. We can set ride height and damper clicks to suit your wheels, tyres and driving style. Request a quote: info@mjmodifications.co.uk.

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