ST Suspensions X Coilover Kit by KW for BMW Z4 (E85) 2003-2008 Roadster - Adjustable Coilovers, Lowering Springs & Dampers, Height Adjustable Suspension Upgrade

BMW Z4 E85 Height Adjustable Suspension by ST, engineered by KW

Transform the way your BMW Z4 E85 drives and looks with this premium height-adjustable spring and damper package from ST, built by KW Automotive. This is a proper performance suspension upgrade for road use that lets you fine tune ride height for stance, handling and everyday usability. Expect sharper turn in, reduced body roll and a confident, composed feel on B-roads and motorways while keeping the comfort you want for daily driving.

We have installed and run these kits ourselves, and our customers consistently comment on the precise steering feel, improved grip and impressive build quality. If you want a dependable Z4 E85 suspension kit that delivers both style and performance, this is the one.

Lowering and Load Ratings

• Approved axle load: Front up to 790 kg, Rear up to 890 kg
• Ride height adjustment range: Front 20 to 50 mm, Rear 15 to 40 mm

Why this ST suspension kit stands out

• Threaded shock bodies for precise ride height tuning front and rear
• Galvanised struts with additional protective coating for long lasting corrosion resistance in UK weather
• KW-engineered twin-tube shock absorbers for a balanced mix of comfort and control
• Low-friction internals and a polished piston rod for smooth damping and durability
• Robust polyamide adjuster collar for quick, easy height changes
• Complete package with performance springs, adjustable spring seats, bump stops and dust boots
• Designed to reduce roll, boost cornering confidence and enhance traction without ruining ride quality

Perfect for Z4 E85 owners chasing stance and speed

This height adjustable kit is ideal if you want a tasteful drop, a level arch gap and a more planted look, or if you need a practical setup for daily use that still delivers performance on spirited drives. It is a fantastic choice for those searching for BMW Z4 E85 suspension upgrade, coil-over suspension, adjustable ride height kit, lowering suspension package, performance shocks and springs, KW-built street coilovers and road focused handling improvements.

Fitting and setup

For professional installation and geometry setup, book with MJ Modifications in Warwickshire. We have hands-on experience with the Z4 platform and can tailor ride height to your needs. Request a fitting quote at info@mjmodifications.co.uk.

Keywords customers often search for

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Order with confidence from MJ Modifications for expert advice and a quality upgrade that delivers real-world results on your BMW Z4 E85.