ST Suspensions Lowering Springs 30mm Front 20mm Rear for BMW 3 Series E90 E91 E92 E93 (E9x) 2005-2012 | Sport Drop/Performance Coil Spring Kit | 318i 320i 320si | Saloon Touring Coupe Convertible | Fits Standard & EDC Dampers | 390L 392C 3C 3K 3L

BMW 3 Series E9x Suspension Upgrade - Precision Lowering Springs 30 mm Front - 20 mm Rear

Give your BMW 3 Series a purposeful stance and sharper road manners with this performance spring set designed for the E90 saloon, E91 touring, E92 coupé and E93 cabriolet. This is a direct-fit coil spring kit that drops the front by approximately 30 mm and the rear by approximately 20 mm for a tighter centre of gravity, reduced arch gap and confident cornering without compromising daily comfort.

Ideal for 2005 to 2012 petrol models including 318i, 320i and 320si, and compatible with factory dampers, including vehicles equipped with electronically controlled shock absorbers.

Why enthusiasts choose this spring set

• Ride height reduction: 30 mm front - 20 mm rear for a balanced, athletic look
• Noticeably crisper turn-in, improved stability and reduced body roll
• High-tensile chrome-silicon steel for long-term resilience
• Multi-stage heat treated for consistent performance
• Corrosion-resistant epoxy coating for durability through British weather
• Vehicle-specific spring rates engineered for the E9x chassis
• Works with standard dampers and factory adaptive systems
• Built to OEM-level standards for fit and finish

Fitment and technical details

• Platform: BMW 3 Series E90 - E91 - E92 - E93
• Body styles: Saloon - Touring - Coupé - Convertible
• Years: 01/2005 to 01/2012
• Models: 318i - 320i - 320si
• Chassis references: 390L - 392C - 3C - 3K - 3L
• Suitable engine output range: 95 to 127 kW
• Maximum front axle load: 935 kg
• Maximum rear axle load: 1085 kg

This is the go-to lowering solution for drivers who want improved handling, a sportier appearance and dependable everyday drivability. Customers love the clean, even drop and the confidence it brings on B-roads and motorways alike.

Search-friendly compatibility keywords

BMW E90 lowering springs, BMW E91 touring suspension kit, BMW E92 drop springs, BMW E93 convertible springs, BMW 3 Series stance kit, E9x coil spring set, 30 mm 20 mm lowering, BMW 318i 320i 320si suspension upgrade, ride height reduction, sport springs for BMW 3 Series, electronic damper compatible springs.

Professional installation

Need fitting? Book professional installation with MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk for a tailored quote and availability.

Note: Always verify axle loads and engine output are within the limits listed above before purchase.