KW Variant 3 (V3) Coilovers for BMW Z4 E89 (2009-2016) - Inox-Line Height, Rebound & Compression Adjustable Coilover Kit - Non-EDC / Without Electronic Dampers

Premium adjustable suspension kit for BMW Z4 E89 2009 to 2016 - for cars without electronic dampers

Transform the way your Z4 drives with this renowned stainless-bodied height and damping adjustable suspension system. If you are hunting for a serious handling upgrade for your E89 roadster or coupe, this is the proven fast-road and track-ready solution that delivers razor sharp response, excellent ride quality and long-term durability in UK weather. We run this kit on our own cars and our customers love the confidence it brings on bumpy B-roads, motorway commutes and track days alike.

Designed for precise tuning, the system offers separate rebound and compression adjustment so you can fine-tune steering feel, body control and comfort to suit your wheels, tyres and driving style. The corrosion resistant Inox-Line construction is built for British winters, resisting road salt and grime for years of trouble-free use.

Fitment

BMW Z4 E89 2009 to 2016 - non-EDC models only. Suitable for sDrive variants without electronic damping (including 23i, 30i, 35i, 35is where no factory electronic damper control is fitted). Always confirm vehicle axle loads.

Lowering range

• Front: 15 to 40 mm
• Rear: 10 to 35 mm

Maximum allowed axle loads

• Front: up to 870 kg
• Rear: up to 1000 kg

Why enthusiasts choose this kit for the Z4 E89

• Independent adjusters - 16 clicks of rebound and 12 clicks of compression let you dial in comfort, support and grip
• True ride height adjustment for perfect stance and corner balance
• Inox-Line stainless damper bodies for maximum corrosion resistance in the UK
• Fast-road compliant baseline setup developed on rig and circuit testing including the Nürburgring Nordschleife
• Precise body control and improved traction without sacrificing daily usability
• Durable trapezoidal threads and composite spring seats for smooth adjustment
• Comprehensive documentation for setup and fine-tuning
• Up to 5-year warranty when installed by an approved specialist, subject to manufacturer terms

How it improves your Z4

Rebound tuning shapes ride quality and high speed stability. Add rebound for tighter body movement and sharper turn-in, reduce it for extra compliance on rough tarmac. Low speed compression manages roll and pitch support, letting you keep the car planted without resorting to overly stiff springs. The result is a balanced Z4 that feels composed over broken surfaces, works brilliantly with wider tyres, and inspires confidence when pushing on.

What’s in the box

• Front and rear Inox-Line adjustable dampers and springs for BMW Z4 E89 non-EDC
• Integrated compression adjusters at the base of the dampers
• Rebound adjusters on the piston rod or supplied adjustment wheel depending on position
• Setup guide and documentation

Professional installation and geometry

For best results, have the kit fitted and aligned by specialists. MJ Modifications in Warwickshire offers installation, corner-weighting and road or track setup tailored to your car. Request a quote at info@mjmodifications.co.uk.

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