KW Variant 1 (V1) Coilovers for BMW 1 Series F20/F21 2WD (1K2, 1K4) with Electronic Dampers Height Adjustable inox-line Suspension Kit

Adjustable Ride Height Suspension Upgrade for BMW 1 Series F20 F21 RWD with factory adaptive damping (chassis 1K2, 1K4)

Give your 1 Series sharper handling, a purposeful drop and daily drivability with this stainless steel KW Variant 1 kit. Tuned at the factory for a confident, sporty feel, it delivers tighter body control, better grip and a clean, even stance without ruining ride quality. Perfect for UK roads, spirited B-road drives and smart street presence.

We have installed this setup on customer cars and our own builds. Feedback is consistently positive: quicker turn-in, a planted rear end, predictable balance in corners and superb durability through all seasons. If you want an easy-to-live-with handling upgrade that looks the part, this is the one.

Vehicle Compatibility

• BMW 1 Series F20 and F21, rear wheel drive only
• For vehicles equipped with factory electronic damping control
• Chassis codes: 1K2 and 1K4
• Not suitable for xDrive models

Why Enthusiasts Choose This Kit

• Factory-set damper valving for a balanced road setup that feels stable and confidence inspiring
• Ride height adjustability for the perfect stance and improved centre of gravity
• Crisper steering response, reduced body roll and improved composure over uneven surfaces
• Stainless steel damper bodies and corrosion resistant hardware for long-term reliability in the UK climate
• Trapezoidal thread with composite spring seats for easy height changes, even after years of use
• Complete package with documentation for a straightforward install and setup

Lowering Range

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

Axle Load Limits

• Maximum front axle weight: 920 kg
• Maximum rear axle weight: 1230 kg

Engineering Detail

• Vehicle-specific fixed-rate damping matched to spring characteristics for a road-biased performance feel
• One-piece composite height adjuster at the front
• Rear perch positioned above or below the spring depending on application for precise corner height setup
• Tested, usable adjustment range for safe lowering

Built For The Long Haul

Developed and manufactured in Germany, this system is designed for year-round use. The stainless construction resists salt and grime, keeping threads free and adjustments smooth. Expect a consistent, quality ride for years.

Warranty

• 2 year manufacturer warranty
• Warranty can be extended up to 5 years when installed by a KW specialist

Ideal For

• Owners wanting a height adjustable drop without sacrificing comfort
• Drivers seeking flatter cornering and improved confidence on B-roads
• Stance-focused builds that demand precise ride height control

Professional Installation

For fitting, geometry and setup, choose MJ Modifications in Warwickshire. We have extensive experience with KW kits and can tailor ride height to your use. Request a quote at info@mjmodifications.co.uk.

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