KW DDC Plug & Play Adaptive Coilover Suspension Kit for BMW 1 Series M135i/M140i (F20/F21) RWD/2WD – EDC/Adaptive M Compatible, Electronic Damping, Height Adjustable Lowering Kit 09/2011-On (1K2/1K4)

Transform the way your BMW 1 Series drives with this KW Dynamic Damping Control direct-connect suspension kit. Tailored for the M135i and M140i on the F20 and F21 platform, rear-wheel drive only, this electronically controlled coilover system keeps your factory Adaptive M functions and mode selector while delivering precision ride height adjustment and a huge leap in fast-road composure and grip.

Why enthusiasts choose this KW adaptive suspension

• Direct-connect to OEM adaptive shock wiring. No cutting, no additional looms.
• Retains factory drive modes via the cabin controls, including Comfort and Sport.
• Height adjustable for a perfect stance and balanced geometry on road or track.
• Stainless steel damper bodies for long-term corrosion resistance in UK conditions.
• Sharper turn-in, reduced body roll and improved stability without ruining ride quality.

Lowering capability

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

Axle weight guidance

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

Vehicle compatibility

For BMW 1 Series M135i and M140i, chassis codes F20 and F21, two-wheel drive models equipped with BMW Adaptive M Suspension. Includes 1K2 and 1K4 variants from 09/2011 onwards. If your car has the factory electronically controlled dampers, this kit integrates seamlessly and keeps the original dashboard displays and buttons fully functional.

Real-world results

We run KW on our own builds and customers consistently report a more planted, confidence-inspiring drive on British B-roads, better traction out of corners and a premium ride quality for daily use. It is the ideal upgrade for an OEM-plus setup that looks right and drives even better.

Fitting and setup

Professional installation and geometry setup available at MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk for a quote, corner-weighting options and tailored ride height advice for your M135i or M140i.

Before you order

Please confirm your car is rear-wheel drive with the original adaptive dampers and that your axle weights fall within the limits listed above.

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