{"product_id":"st-lowering-spring-kit-30-30-1-series-f20-f21-1k2-1k4-saloon-09-11-120d-123d-125d","title":"ST Suspensions Lowering Springs 30mm Drop (30\/30) - BMW 1 Series F20 F21 Hatchback 2011-on (1K2, 1K4) - Sport Coil Spring Set \/ Suspension Lowering Kit - Fits 120d 123d 125d Diesel - OE\/Adaptive Damper Compatible","description":"\u003cdiv\u003e\n  \u003ch2\u003eTransform your BMW 1 Series F20 F21 with ST sport springs\u003c\/h2\u003e\n\n  \u003cp\u003eGive your BMW 1 Series the stance and handling it deserves. This premium ST spring set delivers an approx 30 mm front and 30 mm rear ride height drop for a cleaner look, sharper turn-in and reduced body movement, while retaining everyday comfort with your factory dampers. Precision rates are tailored specifically for the F20 and F21 chassis, including 120d, 123d and 125d diesel variants.\u003c\/p\u003e\n\n  \u003cp\u003eEngineered in high-grade chrome silicon spring steel with a durable epoxy-coated finish, these performance springs are built for UK roads and weather. They integrate seamlessly with OE shocks and are suitable for cars equipped with electronic damping systems, maintaining full functionality while tightening up chassis response.\u003c\/p\u003e\n\n  \u003ch3\u003eWhy enthusiasts choose this ST spring set\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eApprox 30 mm front and 30 mm rear ride height reduction for a purposeful, level stance\u003c\/li\u003e\n    \u003cli\u003eNoticeably flatter cornering, improved stability and more confidence on B-roads\u003c\/li\u003e\n    \u003cli\u003eVehicle-specific rates for F20 and F21 platforms to balance grip and comfort\u003c\/li\u003e\n    \u003cli\u003eWorks with factory dampers including adaptive systems where fitted\u003c\/li\u003e\n    \u003cli\u003eHigh-strength chrome silicon spring steel with long-lasting epoxy protection\u003c\/li\u003e\n    \u003cli\u003eMulti-stage heat treatment for consistent performance over time\u003c\/li\u003e\n    \u003cli\u003eOEM-quality fit and finish for hassle-free installation\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eFitment and technical details\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eChassis: BMW 1 Series F20 and F21, including body codes 1K2 and 1K4\u003c\/li\u003e\n    \u003cli\u003eModels: 120d, 123d, 125d\u003c\/li\u003e\n    \u003cli\u003eModel year: 2011 onwards\u003c\/li\u003e\n    \u003cli\u003eApproximate drop: 30 mm front, 30 mm rear\u003c\/li\u003e\n    \u003cli\u003eApproved front axle mass up to 920 kg\u003c\/li\u003e\n    \u003cli\u003eApproved rear axle mass up to 1110 kg\u003c\/li\u003e\n    \u003cli\u003eEngine output range covered: 120 to 160 kW\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003cp\u003eWe run these on customer cars and the feedback is consistently positive: tighter handling, better road feel and a cleaner, more aggressive look without harshness. If you want a quality suspension upgrade that boosts both appearance and performance, this ST spring set is a superb choice.\u003c\/p\u003e\n\n  \u003ch3\u003eProfessional installation and setup\u003c\/h3\u003e\n  \u003cp\u003eFor fitting, alignment and expert advice, book in with MJ Modifications in Warwickshire. Request a quote at \u003ca href=\"mailto:info@mjmodifications.co.uk\"\u003einfo@mjmodifications.co.uk\u003c\/a\u003e. We recommend a full geometry check after installation to maximise tyre life and handling.\u003c\/p\u003e\n\n  \u003ch3\u003eImportant notes\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eEnsure your vehicle’s axle weights are within the limits listed above\u003c\/li\u003e\n    \u003cli\u003eDesigned to work with standard dampers, including adaptive systems where fitted\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eAlso searched as\u003c\/h3\u003e\n  \u003cp\u003e\n    BMW 1 Series F20 F21 springs, BMW 1 Series suspension upgrade, ST sport springs BMW, performance coil spring set, 30mm drop kit BMW 1 Series, BMW F20 stance kit, BMW F21 ride height reduction, BMW 120d 123d 125d suspension, adaptive compatible springs BMW, chrome silicon springs, epoxy coated springs, BMW 1K2 1K4 chassis springs, BMW hatchback suspension upgrade UK.\n  \u003c\/p\u003e\n\u003c\/div\u003e","brand":"Performance M","offers":[{"title":"Default Title","offer_id":55977836380546,"sku":"stspring8","price":189.9,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/5445\/8937\/files\/ST_20Sport_20Springs__33588.1560416287.png?v=1763377001","url":"https:\/\/mjmodifications.co.uk\/products\/st-lowering-spring-kit-30-30-1-series-f20-f21-1k2-1k4-saloon-09-11-120d-123d-125d","provider":"MJ Modifications","version":"1.0","type":"link"}