ST Lowering Spring Kit - 20/20 - 3 -series; F30, F31, F34 (3L, 3K, 3-V) 4WD Saloon 02/12- 335i xDrive

Performance coil spring set for BMW 3 Series xDrive 335i F30 F31 F34

Give your BMW a cleaner stance, sharper handling and a confident, planted feel with this ST performance spring kit. Designed to work seamlessly with the factory dampers, including cars with electronic/adaptive shocks, these precision-wound coils deliver a tasteful ride height drop and real-world drivability for daily use and spirited road driving.

Key benefits

• Front and rear drop: 20 mm for a level, purposeful look and reduced arch gap
• Improved turn-in and reduced body roll without ruining comfort
• OE-grade construction using chrome silicon spring steel for strength and longevity
• Durable epoxy powder-coated finish for corrosion resistance through UK weather
• Vehicle-specific rates tuned for the 335i xDrive platform
• Heat treated and shot-peened, with protective sleeving where required
• Works with standard dampers, including adaptive suspension systems

Compatibility and fitment

Suitable for the following all-wheel drive BMW 3 Series models, subject to axle load limits below:

• F30 Saloon 335i xDrive
• F31 Touring 335i xDrive
• F34 Gran Turismo 335i xDrive

Production range: from 02/2012 onward. Always confirm your vehicle’s axle weights on the VIN sticker before purchase.

Technical data

• Engine output up to: 225 kW
• Maximum front axle load: 1035 kg
• Maximum rear axle load: 1265 kg
• Approximate ride height reduction: 20 mm front, 20 mm rear

Why enthusiasts choose this kit

Our own cars and customer builds run this setup because it strikes the sweet spot between performance and comfort. Expect a tighter, more responsive chassis, better confidence on B-roads and a premium finish that lasts. Feedback from owners is consistently positive on ride quality and the transformed look.

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Installation

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