ST Suspensions Lowering Springs Kit for BMW 3 Series E90 E91 E92 E93 (E9x) 09/2005+ - 30/20mm Drop - Performance Sport Coil Springs - Saloon Touring Coupe Convertible - Fits 318i 320i - Suspension Handling Upgrade

Give your BMW E9x a purposeful stance and sharper handling with this ST performance spring set. Tailored for the BMW 3 Series E90, E91, E92 and E93, this upgrade delivers an approx 30 mm front and 20 mm rear ride height reduction for a lower centre of gravity, crisper turn in and reduced body roll without ruining daily comfort.

Perfect for drivers who want a clean, even drop and a more planted feel, these precision wound coils work seamlessly with factory shock absorbers, including cars equipped with electronic damping. Expect improved road holding, more confidence through bends and a tidier, sportier look that complements the lines of your 3 Series.

Why choose this ST spring set

• Lower, level ride height for a more aggressive appearance and reduced wheel arch gap
• Engineered to work with OE dampers, including vehicles with adaptive control
• Manufactured from high strength chrome silicon spring steel for durability
• Corrosion resistant coating for long term protection on UK roads
• Vehicle specific rates tuned for the E9x platform to balance comfort and control
• Multi stage heat treatment for consistent performance mile after mile
• Protective sleeves used where required to minimise noise and wear

Fitment and compatibility

BMW 3 Series E90, E91, E92, E93 including Saloon, Touring, Coupé and Convertible models from 09 2005 onward. Suits petrol variants 318i and 320i within the axle load limits below. Also applicable to chassis references 390L, 392C, 3C, 3K, 3L.

Lowering and technical details

• Estimated drop front and rear: 30 mm front, 20 mm rear
• Engine output range supported: 95 to 125 kW
• Maximum permissible front axle weight: up to 935 kg
• Maximum permissible rear axle weight: up to 1135 kg

Real world results

We have installed these springs on customer cars and our own builds. Feedback is consistently positive with flatter cornering, improved steering response and a tasteful ride height that still clears speed humps and driveways. A great value suspension upgrade for daily use and spirited weekend driving.

SEO helpful terms customers search for

BMW E90 lowering springs, E91 Touring suspension upgrade, E92 drop springs, E93 Convertible suspension springs, BMW 3 Series ride height lowering kit, E9x chassis handling upgrade, 318i suspension springs, 320i coil spring set, stance and handling package.

Installation

Professional fitting and four wheel alignment available at MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk for a quotation. We recommend a geometry check after installation and verifying your vehicle’s axle weights before purchase.