{"product_id":"nitron-r1-coilover-kit-bmw-f20-f21-m135i-and-m140i-f22-m235i-f30-f32-3-and-4-series","title":"Nitron R1 Coilover Kit – BMW F20\/F21 M135i \u0026 M140i \/ F22 M235i \/ F30\/F32 3 \u0026 4 Series","description":"\u003cp\u003e\u003cstrong\u003eNitron R1 coilovers for BMW F20\/F21 M135i \u0026amp; M140i \/ F22 M235i \/ F30\/F32 3 \u0026amp; 4 Series\u003c\/strong\u003e use Nitron's motorsport-derived R1 platform with combined 2-way damping adjustment. The R1 is developed directly from Nitron's full race suspension programme and shares key components with the R3.\u003c\/p\u003e\u003cp\u003eEach BMW application is built with model-specific spring rates and damper valving. Ultra-low-friction internal components, corrosion-resistant materials and hard-anodised finishes are used throughout, and the dampers are hand-built and fully serviceable.\u003c\/p\u003e\u003ch2\u003eKey features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCombined 2-way damping adjustment\u003c\/li\u003e\n\u003cli\u003eDeveloped from Nitron's full race suspension programme and sharing key components with R3\u003c\/li\u003e\n\u003cli\u003eBMW application-specific spring rates and damper valving\u003c\/li\u003e\n\u003cli\u003eRide-height adjustable coilover construction\u003c\/li\u003e\n\u003cli\u003eIncludes Nitron adjustable front top mounts\u003c\/li\u003e\n\u003cli\u003eHand-built and fully serviceable dampers\u003c\/li\u003e\n\u003cli\u003eUltra-low-friction internal components\u003c\/li\u003e\n\u003cli\u003eCorrosion-resistant and hard-anodised components\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e F20\/F21 M135i \u0026amp; M140i \/ F22 M235i \/ F30\/F32 3 \u0026amp; 4 Series. Models: M 135i, M 140i, M235i, 330i, 335i, 340i, 430i, 435i, 440i. Nitron application years: 11–19, 11–18, 13–20.\u003c\/p\u003e\u003ch2\u003eOrdering and specification\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eSpecification:\u003c\/strong\u003e before the kit is built we will normally confirm how the car is used, tyre choice, ride height and any relevant supporting modifications, then finalise the spring and damper specification with Nitron.\u003c\/p\u003e\u003ch2\u003eWhy Swift Performance?\u003c\/h2\u003e\u003cp\u003eSwift Performance works directly with Nitron as a BMW development partner. We actively test and develop BMW suspension applications with Nitron, using our own cars and customer vehicles and providing feedback from road, circuit and workshop use as the kits are refined.\u003c\/p\u003e\u003cp\u003eThat gives us first-hand experience of how Nitron systems fit, behave and respond to setup changes on BMW platforms. We can confirm the correct specification before the kit is built, supply it for delivery, or install it in-house with ride-height setup, four-wheel alignment and an appropriate baseline damper setup where applicable.\u003c\/p\u003e\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\u003ch3\u003eWhat adjustment does the R1 provide?\u003c\/h3\u003e\u003cp\u003eThe R1 uses combined 2-way damping adjustment.\u003c\/p\u003e\u003ch3\u003eWhat hardware is included?\u003c\/h3\u003e\u003cp\u003eThis application includes Nitron adjustable front top mounts.\u003c\/p\u003e\u003ch3\u003eCan Swift Performance fit and set up the kit?\u003c\/h3\u003e\u003cp\u003eYes. We can install the kit, set ride height and complete the wheel alignment.\u003c\/p\u003e","brand":"NITRON SUSPENSION","offers":[{"title":"Fast Road","offer_id":57411709600119,"sku":"NTCBM035R1_D","price":3660.0,"currency_code":"GBP","in_stock":true},{"title":"Track Day","offer_id":57411709632887,"sku":null,"price":3660.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0561\/8489\/7720\/files\/nitron-r1-kit_de0ec55e-6837-4a17-b3f1-cd5c788bf3f7.jpg?v=1787675684","url":"https:\/\/swiftperformance.co.uk\/products\/nitron-r1-coilover-kit-bmw-f20-f21-m135i-and-m140i-f22-m235i-f30-f32-3-and-4-series","provider":"Swift Performance","version":"1.0","type":"link"}