ST Suspensions Sport Fixed-Height Spring & Shock Lowering Kit 50/30mm for BMW 3 Series E90 E91 E92 E93 (Saloon/Touring/Coupe/Cabrio) 2005-2012 | E9x Suspension Upgrade/Drop Kit | 318i 320i 320si Shocks & Springs

ST Sport Suspension 50 mm front and 30 mm rear drop for BMW 3 Series E90, E91, E92, E93

Give your E9x a purposeful stance and sharper road manners with this matched spring and damper package. This fixed-height suspension upgrade combines progressive-rate coils with vehicle-specific twin-tube shock absorbers to deliver confident handling, reduced body roll and a noticeably tighter feel without ruining day-to-day comfort.

• Lower centre of gravity for improved cornering and stability
• Progressive springs for punchy turn-in and controlled compliance over bumps
• Calibrated dampers for planted road holding and OEM-level refinement
• Durable finish and long-term corrosion protection
• Direct replacement kit, no coding required

Vehicle compatibility

Designed for BMW 3 Series E90 E91 E92 E93 petrol models built 2005 to 2012, including saloon, touring, coupe and cabriolet:

• 318i, 320i, 320si
• Applicable type approvals: 390L, 392C, 3C, 3K, 3L
• Engine output range: 95 to 127 kW

Lowering and load limits

• Approximate ride height reduction: 50 mm front, 30 mm rear
• Maximum front axle load: 935 kg
• Maximum rear axle load: 1085 kg

Construction and features

• High-strength spring steel with multi-layer coating and final epoxy finish for long life
• Temperature-resistant twin-tube dampers with model-specific fixed valving
• Low-friction, pressure-resistant damper housing with high-quality monobloc guide and sealing package
• Built to OEM quality standards for dependable performance

Why choose this kit for your E9x

This is a proven way to reduce arch gap, enhance fast-road confidence and tidy up steering response on your 3 Series without the harshness of track-only hardware. We have installed this setup on customer cars and our own demonstrators, and the feedback is consistently positive on both driving feel and everyday usability.

Fitting and setup

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

Good to know

• Always verify axle loads against your vehicle’s data sticker before purchase
• A four-wheel alignment is recommended after installation to optimise tyre wear and handling
• Reuse of suitable OE top mounts is typical unless otherwise required by vehicle condition

Upgrade your BMW 3 Series suspension with a quality spring and shock kit that delivers style, control and everyday comfort. Order today for a tidy drop and a more engaging drive.