{"product_id":"st-xta-plus-3-coilover-suspension-galvanised-steel-damping-adjustable-with-top-mounts-bmw-1-series-e81-e82-e87","title":"ST XTA plus 3 coilover suspension, galvanised steel (damping adjustable with top mounts) - BMW 1 Series E81 \/ E82 \/ E87","description":"\u003ch3 dir=\"auto\" class=\"PDq2pG_selectionAnchorContainer\"\u003eST XTA Plus 3 Coilovers – BMW 1 Series E81 \/ E82 \/ E87\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eUpgrade your BMW 1 Series with ST XTA Plus 3 Coilovers, the most advanced suspension system in the ST range, combining adjustable ride height, three-way damping adjustment and aluminium uniball top mounts for a highly tuneable fast-road and track-focused setup.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eDeveloped using KW Automotive engineering, the XTA Plus 3 gives significantly greater control over suspension behaviour than the ST X, XA or conventional XTA, allowing separate adjustment of rebound, low-speed compression and high-speed compression damping.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eST part number:\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e1820220839\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003e3-Way Adjustable Damping\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eThe defining feature of the ST XTA Plus 3 is its independently tuneable damping system.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eAdjustment includes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e18 clicks of low-speed rebound damping\u003c\/li\u003e\n\u003cli\u003e24 clicks of low-speed compression damping\u003c\/li\u003e\n\u003cli\u003e24 clicks of high-speed compression damping\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003eThis provides substantially more setup flexibility than a conventional single-adjustable coilover. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eLow-Speed Rebound Adjustment\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eRebound damping controls how quickly the suspension extends again after being compressed.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eAdjusting rebound can help fine-tune:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBody control\u003c\/li\u003e\n\u003cli\u003eSteering response\u003c\/li\u003e\n\u003cli\u003eWeight transfer\u003c\/li\u003e\n\u003cli\u003eCornering behaviour\u003c\/li\u003e\n\u003cli\u003eRide characteristics\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003eThis makes it possible to tailor the car more closely to road conditions, tyre choice and driver preference.\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eLow-Speed Compression Adjustment\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eLow-speed compression adjustment primarily affects suspension movement created by chassis inputs rather than sharp bumps.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eIt can be used to influence:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBody roll\u003c\/li\u003e\n\u003cli\u003eBrake dive\u003c\/li\u003e\n\u003cli\u003eSquat under acceleration\u003c\/li\u003e\n\u003cli\u003eWeight transfer\u003c\/li\u003e\n\u003cli\u003eChassis support during direction changes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003eThis allows the driver to change how supported and responsive the car feels during more deliberate suspension movements.\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eHigh-Speed Compression Adjustment\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eHigh-speed compression relates to faster damper movements caused by sharper bumps, kerbs and road imperfections.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eBeing able to adjust this independently provides additional control over how the suspension responds to more sudden impacts without necessarily changing the slower chassis movements controlled by low-speed compression.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThis separation is particularly useful for more advanced road and track setups.\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eAluminium Uniball Top Mounts\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eThe ST XTA Plus 3 includes aluminium uniball top mounts where permitted by the vehicle application.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eOn compatible front axles, these provide adjustable camber and a more direct mounting arrangement. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003ePotential benefits include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAdjustable front camber\u003c\/li\u003e\n\u003cli\u003eGreater geometry flexibility\u003c\/li\u003e\n\u003cli\u003eMore direct steering response\u003c\/li\u003e\n\u003cli\u003eImproved tyre contact during cornering\u003c\/li\u003e\n\u003cli\u003eGreater suitability for track-focused alignment settings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003eThe exact adjustment available depends on the vehicle application.\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eAdjustable Ride Height\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eRide height can be continuously adjusted within the approved range.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eFor BMW E81 \/ E87 applications:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFront lowering: approximately 35–65mm\u003c\/li\u003e\n\u003cli\u003eRear lowering: approximately 35–65mm\u003c\/li\u003e\n\u003cli\u003eMaximum front axle load: 920kg\u003c\/li\u003e\n\u003cli\u003eMaximum rear axle load: 1060kg \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003eFor BMW E82 Coupe applications:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFront lowering: approximately 30–55mm\u003c\/li\u003e\n\u003cli\u003eRear lowering: approximately 25–50mm\u003c\/li\u003e\n\u003cli\u003eMaximum front axle load: 945kg\u003c\/li\u003e\n\u003cli\u003eMaximum rear axle load: 1070kg \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003eThe vehicle should always be adjusted within the approved range while retaining adequate suspension travel and tyre clearance.\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eGalvanized Steel Construction\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eThe XTA Plus 3 uses galvanized steel coilover struts with additional corrosion-resistant coating.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eKey features include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGalvanized steel struts\u003c\/li\u003e\n\u003cli\u003eAdditional corrosion protection\u003c\/li\u003e\n\u003cli\u003eThreaded ride-height adjustment\u003c\/li\u003e\n\u003cli\u003eComposite spring platforms\u003c\/li\u003e\n\u003cli\u003eRace spring system\u003c\/li\u003e\n\u003cli\u003eElastomer bump stops\u003c\/li\u003e\n\u003cli\u003eDust protection\u003c\/li\u003e\n\u003cli\u003eAluminium uniball top mounts where applicable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003eST also uses a low-friction twin-tube damper design developed with KW engineering. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eCompatibility – Please Check Carefully\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eST part number 1820220839 is listed for selected rear-wheel-drive BMW 1 Series E8x applications.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eCompatible chassis include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBMW 1 Series E81 Hatch\u003c\/li\u003e\n\u003cli\u003eBMW 1 Series E82 Coupe\u003c\/li\u003e\n\u003cli\u003eBMW 1 Series E87 Hatch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003ePublished fitment data includes:\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eBMW E81:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e116d\u003c\/li\u003e\n\u003cli\u003e116i\u003c\/li\u003e\n\u003cli\u003e118d\u003c\/li\u003e\n\u003cli\u003e118i\u003c\/li\u003e\n\u003cli\u003e120d\u003c\/li\u003e\n\u003cli\u003e120i\u003c\/li\u003e\n\u003cli\u003e123d\u003c\/li\u003e\n\u003cli\u003e130i\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003eBMW E87:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e116d\u003c\/li\u003e\n\u003cli\u003e116i\u003c\/li\u003e\n\u003cli\u003e118d\u003c\/li\u003e\n\u003cli\u003e118i\u003c\/li\u003e\n\u003cli\u003e120d\u003c\/li\u003e\n\u003cli\u003e120i\u003c\/li\u003e\n\u003cli\u003e123d\u003c\/li\u003e\n\u003cli\u003e130i\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003eBMW E82:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e118d\u003c\/li\u003e\n\u003cli\u003e120d\u003c\/li\u003e\n\u003cli\u003e120i\u003c\/li\u003e\n\u003cli\u003e123d\u003c\/li\u003e\n\u003cli\u003e125i\u003c\/li\u003e\n\u003cli\u003e128i\u003c\/li\u003e\n\u003cli\u003e135i \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003eExact compatibility still depends on engine, production date, drivetrain and axle loads.\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eImportant Fitment Restrictions\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eThis kit is not suitable for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFour-wheel-drive \/ xDrive models\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003eST also notes that wheel spacers may be required when using certain original wheel and tyre combinations to provide sufficient clearance between the wheel and suspension components. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eBefore ordering, please confirm:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eExact chassis\u003c\/li\u003e\n\u003cli\u003eEngine variant\u003c\/li\u003e\n\u003cli\u003eProduction year\u003c\/li\u003e\n\u003cli\u003eFront axle load\u003c\/li\u003e\n\u003cli\u003eRear axle load\u003c\/li\u003e\n\u003cli\u003eRear-wheel-drive configuration\u003c\/li\u003e\n\u003cli\u003eWheel and tyre specification\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003eIf you're unsure whether ST 1820220839 is correct for your BMW, contact The Rosso Corsa Collective with your registration or vehicle details and we can help confirm fitment.\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eST X vs XA vs XTA vs XTA Plus 3\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eST X:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAdjustable ride height\u003c\/li\u003e\n\u003cli\u003eFixed damping\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003eST XA:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAdjustable ride height\u003c\/li\u003e\n\u003cli\u003eAdjustable rebound damping\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003eST XTA:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAdjustable ride height\u003c\/li\u003e\n\u003cli\u003eAdjustable rebound damping\u003c\/li\u003e\n\u003cli\u003eAluminium uniball top mounts with camber adjustment where applicable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003eST XTA Plus 3:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAdjustable ride height\u003c\/li\u003e\n\u003cli\u003e18-click low-speed rebound adjustment\u003c\/li\u003e\n\u003cli\u003e24-click low-speed compression adjustment\u003c\/li\u003e\n\u003cli\u003e24-click high-speed compression adjustment\u003c\/li\u003e\n\u003cli\u003eAluminium uniball top mounts with camber adjustment where applicable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003eThe XTA Plus 3 therefore provides substantially greater suspension tuning capability than the other ST ranges. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eDesigned for Fast Road, Track \u0026amp; Clubsport Use\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eThe ST XTA Plus 3 is particularly well suited to:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFast-road builds\u003c\/li\u003e\n\u003cli\u003eTrack days\u003c\/li\u003e\n\u003cli\u003eClubsport cars\u003c\/li\u003e\n\u003cli\u003ePerformance-focused road cars\u003c\/li\u003e\n\u003cli\u003eHigher-grip tyre setups\u003c\/li\u003e\n\u003cli\u003eModified suspension geometry\u003c\/li\u003e\n\u003cli\u003eDrivers wanting detailed damping control\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003eIts independent compression and rebound adjustment makes it particularly useful where the car needs to be tuned around different circuits, road conditions or tyre configurations.\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eProduct Image \u0026amp; Configuration Note\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eProduct images are generic and are intended for illustration purposes only.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThe exact components supplied can vary depending on vehicle application, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTop mount design\u003c\/li\u003e\n\u003cli\u003eCamber adjustment\u003c\/li\u003e\n\u003cli\u003eSpring configuration\u003c\/li\u003e\n\u003cli\u003eDamper layout\u003c\/li\u003e\n\u003cli\u003eRear height adjustment\u003c\/li\u003e\n\u003cli\u003eMounting hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003eIf you have specific requirements such as top mounts, geometry adjustment or exact kit configuration, please contact The Rosso Corsa Collective before ordering so the specification can be confirmed.\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eProfessional Installation Recommended\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eProfessional installation is recommended.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eFollowing installation, the vehicle should receive a full wheel alignment and geometry setup to ensure correct handling, tyre wear and suspension performance.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eBecause the XTA Plus 3 provides extensive damping and geometry adjustment, changes should ideally be made systematically from a known baseline.\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eExplore More BMW 1 Series Suspension\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003e\u003ca href=\"https:\/\/therossocorsacollective.com\/collections\/1st-generation-e8x\"\u003eBMW 1 Series E8x\u003c\/a\u003e – Explore suspension, braking and performance upgrades for E81, E82, E87 and E88 models.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003ca href=\"https:\/\/therossocorsacollective.com\/collections\/st-suspension\"\u003eST Suspension\u003c\/a\u003e – Browse ST X, ST XA, ST XTA and ST XTA Plus 3 suspension upgrades.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003ca href=\"https:\/\/therossocorsacollective.com\/collections\/coilovers\"\u003eCoilovers\u003c\/a\u003e – Explore adjustable suspension systems for road and track use.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003ca href=\"https:\/\/therossocorsacollective.com\/collections\/suspension\"\u003eSuspension \u0026amp; Handling\u003c\/a\u003e – Browse suspension, chassis and geometry upgrades.\u003c\/p\u003e","brand":"ST Suspension","offers":[{"title":"Default Title","offer_id":55056957702481,"sku":"1820220839","price":2218.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/6371\/5665\/files\/1820220839_001.jpg?v=1790171477","url":"https:\/\/therossocorsacollective.com\/products\/st-xta-plus-3-coilover-suspension-galvanised-steel-damping-adjustable-with-top-mounts-bmw-1-series-e81-e82-e87","provider":"The Rosso Corsa Collective","version":"1.0","type":"link"}