ST Suspensions 30mm Performance Lowering Springs for BMW 3 Series E90 E91 E92 E93 (E9x) (2006-2013) | Sport Drop Spring Kit | Coil Spring Set | Saloon/Sedan, Touring/Wagon, Coupe, Convertible | 335i 325d 330d 335d

Give your BMW E9x a sharper stance, tighter handling and a proper 30 mm front and rear drop with this ST height-reduction spring set. Perfect for drivers who want a sportier look and feel without sacrificing day-to-day comfort.

Vehicle compatibility

For BMW 3 Series on the E9x platform:

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

Models: 335i, 325d, 330d, 335d, production from 06/2006 onward. Chassis references: 390L, 392C, 3C, 3K, 3L.

Why choose these springs

• Balanced 30 mm front and 30 mm rear ride height reduction for a level, aggressive look that removes excess arch gap.
• Noticeably reduced body roll, improved turn-in and greater stability under braking for a more confident drive.
• Engineered to work with factory dampers, including cars fitted with adaptive damping systems.
• OEM-grade construction from high-tensile chrome-silicon steel with a durable epoxy powder coating for long-term corrosion resistance.
• Model-specific spring rates for the E90, E91, E92 and E93 ensure precise fitment and predictable road manners.
• Multi-stage heat treatment and shot peening for strength and consistent performance.

Technical details

• Front and rear drop: 30 mm and 30 mm
• Maximum front axle load: up to 1090 kg
• Maximum rear axle load: up to 1090 kg
• Engine output range supported: 145 to 240 kW

Real-world results

We have fitted these on customer E9x cars and run them on our own builds. Feedback is consistently positive: better stance, crisper steering response and a more planted feel without a crashy ride.

Perfect for

• BMW E90, E91, E92, E93 owners seeking a sport suspension upgrade
• Drivers wanting improved cornering and a cleaner, lower look
• Daily-driven cars and spirited road use

Fitting and support

Professional installation recommended. For fitting, book with MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.

Check your vehicle’s axle weights before purchase to ensure compatibility. If you are unsure, contact us and we will confirm fitment for your specific car.