BMW Z4 E89 Roadster Lowering Springs Kit 2009-2016 - ST Suspensions Sport Springs 30mm Front / 20mm Rear Drop - Performance Coil Spring Suspension Upgrade - Fits 18i 20i 23i 28i 30i (

Performance Suspension Springs for BMW Z4 E89 Roadster - 30 mm Front, 20 mm Rear Drop

Transform the way your BMW Z4 E89 drives and looks with a precision-engineered performance spring set from ST. Expect a purposeful ride height reduction, sharper handling and a cleaner, sportier stance while retaining day-to-day comfort. Tried and fitted by us on customer cars, this upgrade delivers real-world gains in confidence and control.

Compatible Models

BMW Z4 Roadster E89 chassis, 2009 onwards, including:

• 1.8i and 18i
• 2.0i and 20i
• 2.3i
• 2.8i
• 3.0i

Ride Height Reduction

• Front: approximately 30 mm
• Rear: approximately 20 mm

Why Choose This Spring Set

• Lower centre of gravity for reduced body movement and crisper turn-in
• Improved road holding and stability without ruining ride quality
• Factory-level fit and finish for a straightforward installation
• Works with original shock absorbers, including cars with adaptive or electronically controlled damping
• High-grade chrome silicon alloy construction with a durable anti-corrosion finish
• Engineered spring rates tailored to the E89 platform for balanced handling
• Heat treated and shot peened for long-term strength and consistency

Technical Details

• Engine output range: 115 to 190 kW
• Maximum permissible front axle load: up to 800 kg
• Maximum permissible rear axle load: up to 970 kg

What You Get

• Complete set of front and rear performance springs for the BMW Z4 E89
• Vehicle-specific instructions from the manufacturer

Proven Upgrade

We have installed these springs on multiple Z4 E89 models and customer feedback has been excellent. The car sits right, turns in with more precision and feels more composed on B-roads and motorways alike. A genuine sweet spot for stance and performance.

Professional Installation

Want it fitted correctly the first time? Book your installation with MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk for a tailored quote and availability.

Fitment Notes

• Please confirm your vehicle’s axle weights before ordering to ensure compatibility.
• Designed to be used with healthy OE or equivalent dampers. For tired shocks, consider replacing at the same time.
• Wheel alignment is recommended after installation.

Search-Friendly Terms

BMW Z4 E89 suspension upgrade, Z4 E89 lowering springs 30mm 20mm, BMW roadster stance kit, E89 sport suspension, coil spring set for BMW Z4, handling upgrade Z4 18i 20i 23i 28i 30i, ride height kit for BMW E89, performance springs for BMW Z4 Roadster.