{"product_id":"suspension-secrets-adjustable-rear-upper-third-links-arms-bmw-f20-m135i-m140i","title":"Suspension Secrets Adjustable Rear Upper Third Links Arms - BMW F20 M135i\/M140i","description":"\u003ch3\u003e\u003cspan\u003eSuspension Secrets Adjustable Rear Upper Third Link Arms – BMW F20 M135i \/ M140i\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eIncrease rear cornering grip, stability and geometry range with Suspension Secrets Adjustable Rear Upper Third Link Arms for the BMW F20 M135i and M140i.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe factory rear upper third links are fixed-length components. When higher levels of negative rear camber are introduced using adjustable camber arms, the standard third links can be forced into an unfavourable position and placed under additional tension.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eSuspension Secrets developed these adjustable third link arms to remove that limitation, allowing the rear suspension to accommodate more aggressive camber settings safely and with less risk of binding through the associated joints and bearings.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhy Upgrade the Rear Upper Third Links?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThese arms are particularly useful on track-focused F20 builds where increased rear camber is required.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003ePotential benefits include:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eWider rear camber adjustment range\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eReduced suspension binding\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eImproved cornering grip\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreased rear axle stability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBetter mid-corner traction\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eImproved corner-exit traction\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMore balanced rear geometry\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBetter compatibility with aggressive track alignment\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eDesigned for BMW F20 M135i and M140i\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFully adjustable rear upper third link arms\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAllows greater rear camber adjustment\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eReduces binding at aggressive camber settings\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHelps improve rear cornering grip\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eImproves rear axle stability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSuitable for track-focused geometry\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBillet aircraft-grade 6082 T6 aluminium\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCorrosion-resistant 316 stainless steel\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMotorsport-spec Fluro bearings\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDesigned and manufactured in the UK\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eThe Limitation of the Factory Third Links\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe OEM rear upper third links are not adjustable.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis is generally acceptable at standard geometry settings, but issues can arise when substantially more negative rear camber is added.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBecause the fixed-length third link cannot compensate for the new suspension position, it can become loaded or twisted relative to the rest of the rear suspension.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eDesigned for Aggressive Rear Camber\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe Suspension Secrets adjustable design gives the rear suspension the extra freedom required when running more aggressive camber settings.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis makes the arms especially relevant for cars fitted with:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eAdjustable rear camber arms\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCoilovers\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTrack geometry\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSemi-slick tyres\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSlick tyres\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eReduced Binding\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eOne of the main reasons to fit adjustable third links is to reduce unwanted binding through the rear suspension.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eAggressive alignment settings can place the factory joints and bearings at less-than-ideal operating angles.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eAdjustable third links allow the suspension to be repositioned more appropriately, helping the joints operate with less tension.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIncreased Rear Camber Range\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe arms allow a greater overall range of rear camber adjustment compared with the standard suspension.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis gives the geometry specialist more freedom to configure the rear axle around:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eTyre choice\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRide height\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTrack use\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDriving style\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDesired chassis balance\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eImproved Cornering Grip\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eAdditional negative rear camber can help the outside rear tyre maintain a better contact patch during hard cornering.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eWhen used as part of a correctly configured suspension setup, this can contribute to:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eIncreased mid-corner grip\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMore stable rear behaviour\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGreater confidence at the limit\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eImproved Corner-Exit Traction\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe rear axle must transition from lateral cornering load into acceleration as the car exits a bend.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eA well-configured geometry setup helps the tyres maintain more consistent contact throughout this transition.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe adjustable third links support more aggressive camber settings without forcing the rest of the suspension into an unfavourable position.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIncreased Chassis Balance\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eRear camber has a significant influence on overall handling balance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eAdditional geometry freedom allows the rear axle to be matched more closely with the front suspension setup.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis can help create:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eMore neutral balance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBetter rear stability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMore predictable rotation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eImproved confidence at speed\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eIdeal for Semi-Slick \u0026amp; Slick Tyres\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eHigher-grip tyres generate significantly greater cornering loads than conventional road tyres.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eTo make proper use of semi-slick or slick tyres, the suspension often requires more aggressive camber settings and greater geometry control.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThese adjustable third links help provide the range needed for those setups.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWorks With Adjustable Rear Camber Arms\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThese arms are best viewed as a supporting component for a more complete rear geometry package.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThey work particularly well alongside:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eSuspension Secrets Adjustable Rear Camber Arms\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAdjustable Rear Toe Arms\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAdjustable Rear Traction Arms\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSolid Rear Control Arm Bushes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCoilovers\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePerformance geometry setups\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e6082 T6 Aluminium Construction\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eSuspension Secrets manufactures its suspension components from billet aircraft-grade 6082 T6 aluminium.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis provides a strong, lightweight structure suitable for demanding road and track applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e316 Stainless Steel Components\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCorrosion-resistant 316 stainless steel is used throughout the associated hardware and componentry.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis helps improve durability in an exposed suspension environment.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMotorsport-Spec Fluro Bearings\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe arms use motorsport-spec Fluro bearings to provide precise movement and long-term performance under demanding suspension loads.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eTrack-Focused Application\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThese arms are primarily intended for cars running more aggressive geometry than would typically be used on a standard road car.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThey are particularly suited to:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eTrackday cars\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eClubsport builds\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSemi-slick tyre setups\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSlick tyre setups\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDedicated performance geometry\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eNVH Considerations\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBecause these arms use motorsport-oriented bearing construction rather than soft factory rubber, some increase in noise, vibration and harshness may be possible compared with standard suspension components.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis is a performance-focused upgrade intended to prioritise geometry control and chassis precision.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eProfessional Installation Recommended\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eProfessional installation is strongly recommended.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe arms should be fitted and adjusted as part of a complete suspension geometry setup.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eGeometry Setup Essential\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eA full performance alignment should be carried out after installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eRear camber, toe and associated arm lengths should be set together rather than adjusted independently.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe final settings should be chosen around:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eTyre type\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRide height\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTrack use\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCoilover setup\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDriver preference\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDesired handling balance\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eVehicle Fitment\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBMW 1 Series F20\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCompatible models:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eBMW M135i F20\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBMW M140i F20\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eWhat's Included?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eEach kit includes:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e1 pair Suspension Secrets Adjustable Rear Upper Third Link Arms\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eExplore More BMW F20 Suspension\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e\u003ca href=\"https:\/\/therossocorsacollective.com\/collections\/f20-f21-2011-2019\"\u003eBMW 1 Series F20\/F21\u003c\/a\u003e – Explore suspension, handling and performance upgrades for the M135i, M140i and wider F20\/F21 platform.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e\u003ca href=\"https:\/\/therossocorsacollective.com\/collections\/suspension-secrets\"\u003eSuspension Secrets\u003c\/a\u003e – Browse the wider Suspension Secrets chassis and geometry range.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e\u003ca href=\"https:\/\/therossocorsacollective.com\/collections\/suspension-arms-alingment\"\u003eSuspension Arms \u0026amp; Alignment\u003c\/a\u003e – Explore camber, toe and geometry adjustment components.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e\u003ca href=\"https:\/\/therossocorsacollective.com\/collections\/bushes\"\u003eBushes\u003c\/a\u003e – Browse upgraded suspension and chassis bush solutions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003ca href=\"https:\/\/therossocorsacollective.com\/collections\/suspension\"\u003eSuspension \u0026amp; Handling\u003c\/a\u003e – Explore coilovers, springs, bushes and chassis upgrades.\u003c\/span\u003e\u003c\/p\u003e","brand":"Suspension Secrets","offers":[{"title":"Default Title","offer_id":54832137044305,"sku":"SS-TL002","price":549.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/6371\/5665\/files\/Suspension-Secrets-Adjustable-Rear-Upper-Third-Links-Arms-BMW-F20-M135i-M140i-Suspension-Secrets-186230070.webp?v=1788943466","url":"https:\/\/therossocorsacollective.com\/products\/suspension-secrets-adjustable-rear-upper-third-links-arms-bmw-f20-m135i-m140i","provider":"The Rosso Corsa Collective","version":"1.0","type":"link"}