ST Sport Suspension Kit (Springs + Shocks) 30mm/20mm Drop for BMW 3 Series (3-Series) E90 E91 E92 E93 (E9x) 2005-2012 – Lowering Suspension Upgrade, Fast Road Dampers – Fits Saloon, Touring, Coupe, Convertible – 316d 318d 320d 323i 325i 328i 330i

Transform your E9x with a premium fixed-height spring and damper package from ST. This road-focused upgrade delivers a confident drop, sharper response and a planted feel in everyday driving without ruining comfort. Ideal for drivers who want better cornering, improved stability and a purposeful stance.

Key benefits

• Ride height drop: approx. 30 mm front and 20 mm rear for a balanced, level look
• Matched twin-tube shock absorbers and progressive-rate coils for fast-road control and daily comfort
• High-tensile steel springs with multi-layer coating and epoxy finish for long-term corrosion protection
• Damper valving tailored to the vehicle for precise body control and reduced roll
• Direct-fit replacement that works with factory mounting points

Technical details

• Engine output range: 85 to 190 kW
• Maximum front axle load: 1045 kg
• Maximum rear axle load: 1135 kg
• Lowering front and rear: 30 mm front, 20 mm rear

Compatibility

Designed for BMW 3 Series E9x platform, including:

• E90 Saloon
• E91 Touring
• E92 Coupe
• E93 Convertible

Model years: 2005 to 2012. Engines supported include 323i, 325i, 328i, 330i, 316d, 318d, 320d. Additional identifiers: 390L, 392C, 3C, 3K, 3L.

Why choose this upgrade

Expect crisper turn-in, better traction on bumpy British roads and a more composed feel at speed. We have installed this ST setup on customer cars and feedback has been consistently positive for ride quality and handling balance. If you want a reliable suspension refresh that tightens up the chassis and enhances confidence without going to full coilovers, this kit is a brilliant choice.

What is included

• 4 matched sport springs
• 4 performance dampers

Fitting and setup

Professional installation and a four-wheel alignment are strongly recommended after lowering. For fitting, book with MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.

Notes

• Always verify your vehicle’s axle loads against the figures above before purchase.
• Intended for the listed non-M 3 Series models on the E9x platform.

Search-friendly terms

BMW E9x suspension upgrade, E90 suspension kit, E91 lowering springs and shocks, E92 handling upgrade, E93 suspension package, 3 Series stance, BMW ride height drop, sport shocks and springs, fast road suspension, uprated dampers, progressive springs, BMW chassis upgrade, direct-fit suspension for 3 Series, petrol and diesel compatible where listed.