{"product_id":"stx-coilover-kit-1-series-f20-f21-1k2-1k4-2wd-without-electronic-dampers-max-allowed-axle-weight-in-kg-front-1090","title":"STX Coilover Kit - 1-series (F20, F21); (1K2, 1K4) 2WD; without electronic dampers max. allowed axle weight in kg Front: -1090","description":"\u003cp\u003e\u003cstrong\u003eGive your BMW 1 Series the stance, grip and confidence it deserves with a premium height-adjustable suspension upgrade engineered by the KW group under the ST brand. Perfect for cars without factory adaptive damping.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis complete spring and damper package is compatible with BMW 1 Series hatchback models on the F20 and F21 platforms, including 3-door and 5-door RWD variants coded 1K2 and 1K4. Approved axle loads: front 921 to 1090 kg, rear up to 1230 kg. Ride-height adjustment range: front approximately 25 to 50 mm, rear approximately 30 to 55 mm within the tested window.\u003c\/p\u003e\n\n\u003cp\u003eWe have fitted this kit for customers and on our own builds. The feedback is consistently positive: sharper turn-in, flatter cornering, and a purposeful drop without ruining everyday comfort. If you want a clean, even drop and a genuine handling upgrade on UK roads, this is the one.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhy enthusiasts choose this adjustable suspension kit\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStepless ride-height tuning via a robust composite adjuster collar for a precise front and rear drop.\u003c\/li\u003e\n  \u003cli\u003eGalvanised damper bodies with an additional protective coating for strong corrosion resistance in all seasons.\u003c\/li\u003e\n  \u003cli\u003eTwin-tube dampers with low-friction internals and a chrome-plated piston rod for durability and consistent performance.\u003c\/li\u003e\n  \u003cli\u003eMultiple seal package and dust protection help keep the mechanism clean and operating smoothly.\u003c\/li\u003e\n  \u003cli\u003eDeveloped alongside KW Germany for sporty road dynamics with confident high-speed stability.\u003c\/li\u003e\n  \u003cli\u003eComplete kit with matched springs, adjustable spring perches and bump stops for an OE-quality fit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat you will feel\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReduced body roll and a more planted rear end under hard acceleration and quick direction changes.\u003c\/li\u003e\n  \u003cli\u003eImproved steering response and grip that inspires confidence on B-roads and motorway commutes.\u003c\/li\u003e\n  \u003cli\u003eA tidy, level stance that complements OEM wheels or aftermarket setups.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eFitment notes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFor models without electronic damping control.\u003c\/li\u003e\n  \u003cli\u003eStay within the stated load and height ranges for best results and clearance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eProfessional installation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWant it fitted right first time? Book expert installation and alignment with MJ Modifications in Warwickshire. Email \u003ca href=\"mailto:info@mjmodifications.co.uk\"\u003einfo@mjmodifications.co.uk\u003c\/a\u003e for a tailored quote and setup advice.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eSearch-friendly compatibility and key terms\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBMW 1 Series suspension upgrade, F20 F21 lowering kit, adjustable ride height shocks and springs, BMW hatchback RWD suspension package, KW engineered adjustable struts, zinc coated shock bodies, performance damper and spring kit, front 25 to 50 mm drop, rear 30 to 55 mm drop, non-adaptive damping models, improved handling and stance, UK road-ready suspension, corrosion-resistant adjustable suspension for BMW 1 Series.\u003c\/p\u003e","brand":"Performance M","offers":[{"title":"Default Title","offer_id":55977951396226,"sku":"b6rdl71jaw","price":832.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/5445\/8937\/files\/st_x_coilover_generic_640_159__88609.1532353287.jpg?v=1763377463","url":"https:\/\/mjmodifications.co.uk\/products\/stx-coilover-kit-1-series-f20-f21-1k2-1k4-2wd-without-electronic-dampers-max-allowed-axle-weight-in-kg-front-1090","provider":"MJ Modifications","version":"1.0","type":"link"}