ST Sport Suspension Kit - 30/30 - 3 -series; E90, E91, E92, E93 (390L, 392C, 3C, 3K, 3L), coupe 06/06- 318i, 320i, 323i, 325i, 330i, 320d

ST Sport Spring and Damper Package for BMW E9x - 30 mm Front and Rear Drop

Give your BMW E9x a sharper, more planted feel with this ST sport spring and shock upgrade. Designed for fast road use, it delivers a confident stance and crisp handling while keeping day-to-day comfort intact. If you are after a tidy 30 mm ride height reduction with OEM-quality ride and precise control, this is the go-to suspension upgrade for your Bavarian saloon, touring, coupé or cabriolet.

We have fitted this setup for customers and on our own cars. Feedback has been consistently positive for turn-in, composure through bends and overall ride quality. It is a genuine bolt-on enhancement that transforms the way the car drives without compromising usability.

Why choose this performance suspension kit

• 30 mm drop front and rear for improved stance, reduced body roll and enhanced cornering grip
• Matched progressive-rate springs for balance, stability and comfort on British roads
• Twin-tube dampers with vehicle-specific fixed valving for dependable control and OEM-style refinement
• High-strength spring steel, multi-coated with final epoxy finish for durability and corrosion resistance
• OE-quality fitment, straightforward installation and excellent road holding

Fitment and compatibility

Suitable for the BMW E9x platform from 06/2006, including:

• E90 saloon, E91 touring, E92 coupé, E93 convertible
• Engine variants: 318i, 320i, 323i, 325i, 330i, 320d
• Body codes often referenced: 390L, 392C, 3C, 3K, 3L

Technical details

• Lowering amount front and rear: 30 mm
• Power range: 95 to 200 kW
• Maximum front axle load: up to 930 kg
• Maximum rear axle load: up to 1090 kg

What you can expect on the road

• Sharper steering response and a flatter, more controlled chassis
• Confident motorway stability and composed B-road performance
• Comfortable daily driving with a purposeful, even drop front and rear

Ideal search terms and use cases

BMW E90 suspension upgrade, E91 lowering springs and shocks, E92 sport suspension kit, E93 suspension package, E9x handling upgrade, 30 mm lowering kit, BMW 320d suspension, BMW 330i shocks and springs, performance suspension for BMW 3 Series, uprated dampers and springs, road car suspension improvement, stance enhancement for BMW, fixed-rate sports dampers, progressive springs for daily driving.

Installation and support

Professional fitting available at MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk to request a quote. A four-wheel alignment is recommended after installation to maximise tyre life and handling performance. Please verify engine power and axle loads before ordering.