ST Suspensions Sport Lowering Springs 40mm/40mm for BMW 1 Series F20 F21 (2011-2019) 120d 123d 125d – Performance Coil Spring Kit, Suspension Drop, Diesel, Fits 1K2/1K4, Works with Standard/Adaptive Shocks

Give your BMW 1 Series the stance and road holding it deserves with this ST sport spring set. Designed specifically for the F20 and F21 diesel models 120d, 123d and 125d from 2011 onwards, this upgrade delivers a clean, even drop and sharper handling without compromising everyday comfort.

• Approximate ride height reduction front and rear: 40 mm for a level, purposeful look and reduced arch gap
• Engine output compatibility: 120 to 160 kW
• Front axle limit up to 920 kg and rear axle limit up to 1110 kg check your VIN plate to confirm
• Works perfectly with factory shock absorbers including cars with electronic damping systems
• Manufactured from chrome silicon spring steel for strength and durability
• Epoxy coated for corrosion resistance and long service life
• Vehicle specific spring rates tuned for balance, grip and stability
• Multi tempered and sleeved where required for consistent performance

Why enthusiasts choose this upgrade:

• Transforms cornering with a lower centre of gravity, reducing body roll and improving turn in
• Enhances traction and high speed stability while keeping ride quality suitable for daily driving
• Delivers the clean, motorsport inspired stance many owners want from a performance suspension upgrade

Fitment and notes:

• Direct replacement performance coil springs for BMW 1 Series F20 F21 diesel 120d, 123d, 125d models from 2011 onward
• Compatible with standard dampers and adaptive shock absorbers
• Always verify axle weights against your vehicle data label to ensure suitability
• A four wheel alignment is recommended after installation

Trusted by owners: We have installed these springs on customer cars and feedback is consistently positive about the improved handling, confident road feel and perfect everyday stance.

Professional fitting available: For installation and setup, book with MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.

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