ST Lowering Spring Kit - 30/30 - 1 -series; F20, F21 (1K2, 1K4) saloon 09/11- 114i, 116i, 118i, 116d, 118d

ST 30 mm front and rear springs for BMW 1 Series F20 and F21

Transform the way your BMW 1 Series drives and looks with this premium ST sport spring set. Expect a purposeful ride height drop of 30 mm front and 30 mm rear, a cleaner stance, reduced arch gap and sharper responses in corners. This is a direct-fit performance suspension upgrade for everyday road use that works with your existing dampers, including cars equipped with adaptive damping.

Vehicle compatibility

• BMW 1 Series F20 and F21, 2011 onwards
• 114i, 116i, 118i petrol models
• 116d, 118d diesel models
• Front axle weight up to 905 kg
• Rear axle weight up to 1110 kg
• Engine output range supported: 75 to 125 kW

What you will notice

• Lower centre of gravity for more confidence on fast B-roads and motorways
• Reduced body movement and tighter turn in for a sportier feel
• Neater, more aggressive road presence with a balanced 30 mm drop all round
• Designed to work with factory shock absorbers and adaptive systems

Construction and quality

• Factory-grade manufacturing with vehicle-specific spring rates
• High tensile chromium-silicon spring steel, heat treated multiple times
• Durable epoxy powder-coated finish for corrosion resistance
• Protective sheathing on selected coils where required

Lowering and specs

• Approximate ride height change: 30 mm front, 30 mm rear
• Front axle limit: up to 905 kg
• Rear axle limit: up to 1110 kg
• Supported power band: 75 to 125 kW

Why buy from MJ Modifications

We run these ST springs on our own builds and customer cars and the feedback has been fantastic. Drivers love the tidy stance and the confidence-inspiring handling without the faff of changing dampers. Trusted by enthusiasts who want a proper suspension refresh for their F20 and F21.

Professional installation

Want it fitted properly the first time? Book your installation with MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk for a fitting quote. We recommend a four-wheel alignment after installation to maximise tyre wear and handling.

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