KW Variant 3 (V3) inox-line Coilovers for BMW M4 F82/F83 & M3 Convertible 2015+ | Height Adjustable Suspension Kit | 2-Way Rebound & Compression Adjustable Shocks | Stainless Steel Dampers | EDC/Adaptive Damping Compatible | Lowering Suspension

Variant 3 inox-line adjustable suspension for BMW F82 F83 and M3 Cabrio with adaptive damping 01/15 on

Transform the way your BMW handles, rides and looks with the iconic Variant 3 inox-line coilover suspension. This two-way adjustable damper and spring kit is the go-to upgrade for F82 and F83 owners who want sharper turn-in, bigger mid-corner grip, a purposeful ride height and the flexibility to dial in their perfect fast-road and track setup. If you are searching for a premium stainless steel suspension kit for an M4 or M3 Cabrio with factory adaptive control, this is the benchmark.

We run these on our own builds and our customers consistently comment on the confidence, control and composure they deliver on B-roads and at track days. Developed on a 7-post rig and proven at the Nurburgring, Variant 3 blends motorsport know-how with everyday usability for an unbeatable road and circuit package.

What you get

• Height adjustable coilover struts and rear spring perch system for precise ride height control front and rear
• Independent two-way damping adjustment - 16 clicks rebound and 12 clicks compression for true fine-tuning
• Inox-line stainless steel damper bodies for exceptional corrosion resistance in UK weather
• Patented valve technology separating bump and rebound for genuine chassis tuning without changing springs
• Sporty yet refined baseline calibration developed across road, motorway and circuit testing
• Improved stability at speed, enhanced steering precision and reduced body movement
• Comprehensive documentation for straightforward setup and adjustments

Lowering range and axle load limits

• Front drop: 15 to 40 mm
• Rear drop: 15 to 40 mm
• Max permitted front axle load: 1050 kg
• Max permitted rear axle load: 1250 kg

Built to last

The inox-line construction is genuinely rust proof, using stainless damper tubes, a dirt-resistant trapezoid thread and composite spring seats to keep height adjustment smooth season after season. When installed by an approved specialist, warranty coverage is available for long-term peace of mind.

Adaptive damper compatible

Designed for vehicles equipped with electronic damping control from 01/15 onwards, this kit lets F82 and F83 owners enjoy real performance suspension tuning on cars with factory adaptive shock absorbers.

Track day ready, road friendly

Dial in more rebound for a taut, responsive feel, add compression support to control roll and pitch, then set your ideal stance for looks and aero efficiency. Whether you are carving A-roads, covering motorway miles or chasing lap times, Variant 3 delivers confidence, consistency and control.

Why enthusiasts choose Variant 3

• Two-way adjustable dampers with clearly indexed clicks for repeatable setup changes
• Height adjustable suspension that supports corner-weighting and stance perfection
• Stainless steel struts that shrug off winter salt and rain
• Proven performance on fast road and track without sacrificing daily comfort
• Sharper response, more grip and a planted feel that inspires confidence

Professional fitting and setup

For installation, geometry and a tailored fast-road or track alignment, book with MJ Modifications in Warwickshire. Request a fitting quote at info@mjmodifications.co.uk. We can advise on ride height, rebound and compression settings to suit your wheels, tyres and intended use.

Search-friendly terms our customers use

BMW F82 suspension upgrade, F83 convertible suspension kit, M4 shock absorber upgrade, adjustable shocks UK, stainless steel coilover kit, performance damper kit, lowering suspension for BMW M4, track suspension package, fast road suspension, height adjustable shocks, separate bump and rebound, chassis tuning for BMW, sport suspension set, ride height adjustment kit, corrosion resistant struts, BMW handling upgrade UK, Warwickshire suspension fitting, West Midlands coilover installation.