BMW 1 Series F20 F21 Lowering Springs 40mm Drop Front & Rear - ST Suspensions Sport Coil Spring Kit (2011-2019) 114i 116i 118i 116d 118d | Fits 1K2 1K4 | Compatible with Standard & Adaptive Dampers

BMW 1 Series F20 F21 40 mm Front and Rear Ride Height Reduction - ST Suspensions Spring Set

Transform the stance and handling of your BMW 1 Series with this premium spring set from ST Suspensions. Designed for the F20 and F21 platforms, this kit delivers an even 40 mm drop at the front and rear for a cleaner arch gap, sharper turn-in and a confident fast-road feel while retaining day-to-day comfort on UK roads.

Perfect for 09/2011 onwards 1 Series models including 114i, 116i, 118i, 116d and 118d, and compatible with both standard shock absorbers and factory electronically controlled dampers. We have installed these on customer cars and on our own builds at MJ Modifications and the feedback is consistently excellent: tighter body control, better road holding and a purposeful, level stance.

Why choose this spring upgrade

• Even 40 mm drop front and rear for a balanced, aggressive look and improved aerodynamics
• Precision wound high tensile spring steel for durability and consistent performance
• Corrosion resistant coating for long service life in all UK weather conditions
• Tailored rates for the F20 and F21 chassis to reduce body roll, squat and dive without ruining ride quality
• Works seamlessly with original dampers, including cars with adaptive damping
• Direct replacement fitment - no additional hardware required in typical installations

Vehicle compatibility

BMW 1 Series F20 and F21 hatchback, chassis codes 1K2 and 1K4.

Suitable for: 114i, 116i, 118i, 116d, 118d (09/2011 onwards).

Technical details

• Approximate lowering: 40 mm front, 40 mm rear
• Front axle rating up to 905 kg
• Rear axle rating up to 1110 kg
• Engine outputs supported: 75 to 125 kW

Fitting and setup

For a hassle-free installation and geometry check, we recommend professional fitting. MJ Modifications in Warwickshire offers full installation and alignment services for this suspension kit. Request a quote at info@mjmodifications.co.uk.

Tip: a four-wheel alignment after installation is strongly recommended to maximise tyre life and handling.

What you will notice

• Lower, cleaner stance that complements OE wheels and aftermarket setups
• More confidence through corners and roundabouts
• Improved steering response and reduced body movement under braking and acceleration

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