ST Suspensions Sport Springs Lowering Kit for BMW M3 E90 E92 E93 (E9x) 4.0 V8 S65 – 20mm Front / 10mm Rear Drop – Coil Spring Set, EDC/Adaptive Damper Compatible – Saloon Coupe Cabriolet Convertible – Part M390

Transform the stance and feel of your BMW M3 E9x with this ST performance coil spring set. Designed for the 4.0 V8 models, this uprated spring package delivers a precise ride height drop of approximately 20 mm at the front and 10 mm at the rear for a purposeful look and a more composed, confidence-inspiring drive on British roads.

Perfect for the E90 saloon, E92 coupé and E93 cabrio, these chassis-tuned coils work seamlessly with the original dampers, including cars equipped with factory adaptive shock absorbers. Expect a cleaner arch gap, a balanced rake, and a taught, OEM-plus road feel without harshness.

We run these on our own builds and customer cars, and feedback has been fantastic for both daily driving and spirited B-road use. A simple, high-value suspension upgrade that looks right and feels right.

• Direct-fit performance coil spring set for BMW M3 E90 E92 E93 V8
• Ride height reduction: approx 20 mm front and 10 mm rear
• Compatible with factory adaptive dampers and standard shocks
• High tensile chrome silicon spring steel, heat treated multiple times
• Durable epoxy powder coating for corrosion resistance
• Vehicle-specific spring rates for balanced road manners
• Noise-damping sleeves where required for refined NVH
• Built to OE-level standards for fit and longevity

Fitment and key data

• Suitable vehicles: BMW M3 E90 saloon, E92 coupé, E93 cabrio
• Engine: 4.0 V8
• Power reference: 309 kW
• Maximum front axle load: 1060 kg
• Maximum rear axle load: 1120 kg
• Part number: M390

Why choose this setup

• Sharper response and flatter cornering with a tasteful drop
• Improves wheel fitment and stance on OEM or aftermarket alloys
• Keeps everyday usability while enhancing the driving experience

Installation

Professional fitting and a proper alignment are recommended. Book your installation with MJ Modifications in Warwickshire for expert setup and geometry. Request a quote at info@mjmodifications.co.uk.

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