ST Suspensions Lowering Springs Kit 30mm Front 20mm Rear for BMW 3 Series E90 E91 E92 E93 2005-2013 Saloon Touring Coupe Convertible | E9x Performance Sport Drop Coil Springs | 316d 318d 320d 323i 325i 330i | Adaptive damper friendly

BMW 3 Series E90 E91 E92 E93 suspension upgrade for sharper handling and a lower, cleaner stance

Transform your BMW 3 Series road manners and road presence with premium performance springs engineered for the E9x platform. Expect a tasteful ride height reduction of approximately 30 mm at the front and 20 mm at the rear for a level, purposeful look and a confident, planted feel on UK roads.

Designed to work seamlessly with factory shock absorbers, including vehicles equipped with electronic damping systems, these precision-wound coils deliver tighter body control, quicker turn-in and improved stability without ruining everyday comfort. A superb fast-road solution and a smart alternative to full coilovers if you want a dependable, daily-friendly drop.

Key benefits

• Approx. 30 mm front and 20 mm rear ride height reduction for a balanced stance and better aero
• Noticeably reduced body roll and improved cornering confidence
• Factory-grade durability with chrome-silicon steel and a robust anti-corrosion epoxy coating
• Heat treated multiple times for long-term performance and consistent spring rate
• Vehicle-specific rates for the E9x chassis to preserve comfort on British roads
• Compatible with cars fitted with adaptive or electronic dampers
• Protective sleeving on select coils to minimise noise where required

Fitment and specs

Suitable for BMW 3 Series 09/2005 onwards:

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

Engine variants covered: 323i, 325i, 330i, 316d, 318d, 320d

• Engine output range: 85 to 190 kW
• Maximum front axle load: up to 1045 kg
• Maximum rear axle load: up to 1200 kg

Please check your vehicle’s axle weights and engine power fall within the limits above before ordering.

Real-world results

We have installed these on multiple customer cars and run them ourselves. Feedback is consistently positive: a smarter look, better steering response and a composed ride that still works for commuting and long journeys. This is a proven suspension upgrade for the E9x platform.

What you get

• Complete set of performance coil springs for front and rear
• Direct-fit for the models listed above when used with standard-type dampers

Professional installation available

For fitting and geometry setup, book in with MJ Modifications in Warwickshire. We offer expert installation and four-wheel alignment for perfect results. Request a quote at info@mjmodifications.co.uk.

Helpful notes

• A post-install alignment is recommended to optimise tyre wear and handling
• Springs may settle slightly after initial mileage
• Only suitable for cars within the listed axle loads and engine output range

Why buy from us

Performance suspension specialists, fast UK shipping and trusted support from enthusiasts who know the E9x chassis inside out. Upgrade your 3 Series stance and handling today.

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