ST Sport Suspension Kit - 30/30 - 3 -series; E90, E91, E92, E93 (390L, 392C, 3C, 3K, 3L), Touring 09/05- 325d, 330d

Transform your BMW 3 Series with a balanced 30 mm drop and real-world performance

Give your E9x chassis the fast-road handling it deserves. This ST sport spring and shock package delivers a uniform 30 mm front and rear ride height reduction, sharper turn-in and composed body control, while keeping day-to-day comfort intact. Perfect for BMW 3 Series E90 saloon, E91 Touring, E92 coupé and E93 convertible diesel models including 325d and 330d from 09/2005, within the load and power limits below.

Why choose this upgrade

• Matched spring and damper set tuned specifically for the E9x platform for confidence-inspiring grip and stability.
• Progressive-rate coils that soak up small bumps yet resist roll in harder cornering.
• Heat-stable twin-tube shock absorbers with vehicle-specific fixed-rate valving for consistent control.
• Low-friction, pressure-resistant damper bodies with a robust monoblock guide and sealing assembly.
• High-tensile steel springs with multi-layer corrosion protection and an epoxy topcoat for long-term durability.
• Factory-grade build quality for quiet operation and dependable performance on British roads.

Real-world benefits

• Even 30 mm drop front and rear for a purposeful stance and improved aerodynamics.
• Reduced body roll, better weight transfer and more direct steering response.
• Fast-road composure on B-roads and motorways with everyday ride comfort.
• Ideal foundation for performance tyres and alignment settings.

Fitment and key specs

• BMW 3 Series E90 Saloon, E91 Touring, E92 Coupe, E93 Convertible
• Engines: 325d, 330d diesel
• Build year: from 09/2005
• Lowering front and rear: 30 mm
• Power range: 145 to 180 kW
• Maximum axle load front: 1,090 kg
• Maximum axle load rear: 1,200 kg

We have installed this kit for customers and on our own builds. Feedback is consistently positive: tighter cornering, calmer high-speed composure and a cleaner stance without harshness.

Professional installation

For fitting and geometry setup, choose MJ Modifications in Warwickshire. Our team can supply, install and align your car for the best results. Request a fitted quote at info@mjmodifications.co.uk.

What you get

A complete sport spring and shock absorber package, precisely matched for the BMW E90, E91, E92 and E93 diesel models listed above.

Search-friendly terms to help you find the right upgrade

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Note: Always check axle loads and power output before ordering. A professional wheel alignment is recommended after installation.