{"product_id":"bc-racing-coilovers-bmw-3-series-e21-75-81-51mm-strut","title":"BC Racing Coilovers – BMW 3 Series (Strut 51MM, Weld) E21 1975–1981","description":"\u003cp\u003eUpgrade the suspension on your \u003cstrong\u003eBMW 3 Series (Strut 51MM, Weld) E21 1975–1981\u003c\/strong\u003e with a vehicle-specific BC Racing coilover kit. Select the exact series, spring rate and configuration required for your road, fast-road or track setup.\u003c\/p\u003e\u003ch2\u003eVehicle application\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVehicle:\u003c\/strong\u003e BMW 3 Series (Strut 51MM, Weld) E21 1975–1981\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBC Racing application code:\u003c\/strong\u003e I-43\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAvailable coilover options\u003c\/h2\u003e\u003cp\u003eChoose the coilover series, spring rate and configuration using the product selectors. Each selectable option is linked to its own supplier stock SKU.\u003c\/p\u003e\u003cdiv class=\"table-wrapper\"\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSeries\u003c\/th\u003e\n\u003cth\u003eSpring rate\u003c\/th\u003e\n\u003cth\u003eConfiguration\u003c\/th\u003e\n\u003cth\u003ePrice\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBR RA\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5\/4.5 kg\/mm\u003c\/td\u003e\n\u003ctd\u003eWeld-in front struts – Recommended\u003c\/td\u003e\n\u003ctd\u003e£1049.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBR RA\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5.5\/4.5 kg\/mm\u003c\/td\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003ctd\u003e£1049.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBR RA\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6\/5 kg\/mm\u003c\/td\u003e\n\u003ctd\u003eExtra-low setup – Weld-in front struts\u003c\/td\u003e\n\u003ctd\u003e£1099.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBR RA\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10\/8 kg\/mm\u003c\/td\u003e\n\u003ctd\u003eWeld-in front struts\u003c\/td\u003e\n\u003ctd\u003e£1099.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDS DA\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5.5\/4.5 kg\/mm\u003c\/td\u003e\n\u003ctd\u003eRecommended\u003c\/td\u003e\n\u003ctd\u003e£1188.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eKey features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVehicle-specific adjustable coilover suspension kit\u003c\/li\u003e\n\u003cli\u003eAdjustable ride height and damping\u003c\/li\u003e\n\u003cli\u003eMultiple spring-rate and top-mount configurations where listed\u003c\/li\u003e\n\u003cli\u003eRebuildable dampers with replacement components available\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation\u003c\/h2\u003e\u003cp\u003eProfessional installation is recommended, followed by a complete wheel alignment. Track-focused vehicles may also benefit from corner weighting.\u003c\/p\u003e\u003ch2\u003eFitment notes\u003c\/h2\u003e\u003cul\u003e\u003cli\u003eWelding Required\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003eBC Racing applications can vary by drivetrain, body style, strut diameter, top-mount pattern, electronic damping and rear suspension layout. Check the vehicle specification carefully before ordering.\u003c\/p\u003e\u003cp\u003eSpring rates and component specifications are supplied by BC Racing and can change. Contact us before ordering when an exact competition setup or unusual ride-height requirement is critical.\u003c\/p\u003e","brand":"BC Racing","offers":[{"title":"BR RA \/ 5\/4.5 kg\/mm \/ Weld-in front struts – Recommended","offer_id":65473165066589,"sku":"0027156","price":1417.0,"currency_code":"USD","in_stock":true},{"title":"BR RA \/ 5.5\/4.5 kg\/mm \/ Standard","offer_id":65473165099357,"sku":"0080531","price":1417.0,"currency_code":"USD","in_stock":true},{"title":"BR RA \/ 6\/5 kg\/mm \/ Extra-low setup – Weld-in front struts","offer_id":65473165132125,"sku":"0025643","price":1485.0,"currency_code":"USD","in_stock":true},{"title":"BR RA \/ 10\/8 kg\/mm \/ Weld-in front struts","offer_id":65473165164893,"sku":"0008733","price":1485.0,"currency_code":"USD","in_stock":true},{"title":"DS DA \/ 5.5\/4.5 kg\/mm \/ Recommended","offer_id":65473165197661,"sku":"0070757","price":1605.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0799\/0411\/2989\/files\/BRSeries_25b08eb8-5ae2-461b-a94e-b6946b9ebf57.jpg?v=1785850670","url":"https:\/\/www.nineteen72performance.com\/products\/bc-racing-coilovers-bmw-3-series-e21-75-81-51mm-strut","provider":"Nineteen72 Performance","version":"1.0","type":"link"}