ST Suspensions Sport Lowering Springs for BMW 4 Series F32 F33 F36 (05/2014+) - Coil Spring Kit 20mm Front / 10mm Rear Drop - EDC Compatible - Fits 435i 430d Coupe, Convertible & Gran Coupe

Transform your BMW 4 Series ride and stance with ST sport springs

Give your car the road presence and precision it deserves. This ST spring set delivers a tasteful drop for sharper turn in, tighter body control and a cleaner arch-to-tyre fitment. Ideal for daily road use and spirited B-road driving, it upgrades handling without ruining comfort.

Perfect for owners chasing a subtle, factory-plus look with real-world performance gains. We run these ourselves and our customers love the improved response, reduced roll and confident feel.

• Ride height reduction approximately 20 mm front and 10 mm rear for a level, purposeful stance
• Works seamlessly with factory adaptive damping and electronic damper control systems
• Original-equipment build standards with calibrated, model-specific spring rates
• Chrome-silicon steel, multiple heat treatments for durability and consistency
• Epoxy coated for corrosion resistance and long service life
• Partly tubed design for refined noise and vibration characteristics
• Direct replacement coil spring set for an easy suspension upgrade

Compatibility

Designed for BMW 4 Series applications including:

• F32 coupé
• F33 convertible
• Gran Coupe models from 05/2014
• Engines covered include 435i and 430d within the power and axle load limits below

Technical data

• Power range: 190 to 225 kW
• Maximum front axle load: 1020 kg
• Maximum rear axle load: 1230 kg
• Front drop: 20 mm
• Rear drop: 10 mm

Why choose this upgrade

• Lower centre of gravity for confidence in corners
• Cleaner wheel gap for a premium, sporty look
• Balanced comfort and control for everyday usability
• Engineered to complement OE dampers, including adaptive setups

Professional fitting

We recommend installation at MJ Modifications in Warwickshire. Request a fitting quote at info@mjmodifications.co.uk.

Upgrade your suspension, sharpen your handling and dial in that perfect stance with this ST sport spring kit for your BMW 4 Series.