{"product_id":"nitron-racing-bmw-f20-f21-11-19-nitron-r3-suspension-kit","title":"Nitron NTR R3 3-Way Coilovers - BMW M135i\/M140i F20\/F21","description":"\u003cp\u003e\u003cstrong\u003eNitron NTR R3 suspension for BMW M135i\/M140i F20\/F21 applications\u003c\/strong\u003e adds independent rebound, low-speed compression and high-speed compression control for a developed hatchback chassis. It is not a blanket fitment across every BMW M Performance model.\u003c\/p\u003e\u003ch2\u003eF20\/F21 application and equipment\u003c\/h2\u003e\u003cp\u003eConfirm the exact car, drivetrain and original electronic-damper equipment. The manufacturer lists M135i and M140i in this application family, but that does not establish fitment for later F40, F70 or G42 cars. Any xDrive or suspension-conversion requirements need separate confirmation.\u003c\/p\u003e\u003ch2\u003eMake three-way adjustment useful\u003c\/h2\u003e\u003cp\u003eUse the independent controls around a measured baseline for springs, tyres, ride height and alignment. Reservoir location and hose routing must be checked with the installed hardware through the full working range.\u003c\/p\u003e\u003cp\u003eConfirm rear spring\/damper arrangement, top mounts and any electronic-damping integration or cancellation components before ordering. The one purchase variant does not imply that every possible build option is included. Nitron dampers are serviceable.\u003c\/p\u003e\u003ch2\u003eCompare R1 and plan fitting\u003c\/h2\u003e\u003cp\u003eThe \u003ca href=\"\/products\/nitron-racing-bmw-f20-f21-11-19-nitron-r1-suspension-kit\"\u003ematching F20\/F21 NTR R1\u003c\/a\u003e links compression and rebound through one control and may better suit a simpler tuning process.\u003c\/p\u003e\u003cp\u003eView the \u003ca href=\"\/collections\/bmw-m135i-f20-f21-suspension\"\u003eM135i\u003c\/a\u003e and \u003ca href=\"\/collections\/bmw-m140i-f20-f21-suspension\"\u003eM140i suspension collections\u003c\/a\u003e. Additional arms, mounts and drop links must be checked against the exact Nitron installation rather than combined solely by vehicle tags. Arrange professional fitting, alignment and a current build estimate before booking workshop time.\u003c\/p\u003e","brand":"Nitron Racing","offers":[{"title":"Default Title","offer_id":57828599857501,"sku":null,"price":5499.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0799\/0411\/2989\/files\/LPRODZOOM_263424_bmw_e9_series_nitron_suspension_r3_kit.png?v=1750432383","url":"https:\/\/www.nineteen72performance.co.uk\/products\/nitron-racing-bmw-f20-f21-11-19-nitron-r3-suspension-kit","provider":"Nineteen72 Performance","version":"1.0","type":"link"}