{"product_id":"bilstein-36-251254-bmw-f20-f30-f80-b3-oe-replacement-rear-coil-spring-inc-120dx-125d-316i-320i","title":"BMW F20 F30 F80 Bilstein B3 Rear Coil Spring 36-251254","description":"\u003cp\u003eBilstein B3 rear coil spring 36-251254 - not a generic 'OE replacement', but the exact spring used by fast-road and track-day drivers on F20, F30 and F80 chassis with N13, N20, N55 or S55 engines.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits\u003c\/strong\u003e: F20 120d xDrive, 125d | F30 316i, 320i, 328i, 335i | F80 M3 (non-M DCT models only)\u003c\/li\u003e\n\u003cli\u003eDrop-in for stage 1 or stage 2 builds where you want predictable rear geometry without lowering more than 10mm\u003c\/li\u003e\n\u003cli\u003eNo decat or exhaust mods needed - this is suspension-only; works with stock or fast-road exhausts\u003c\/li\u003e\n\u003cli\u003eHot-set, surface-compressed chrome vanadium steel - zero height loss, no sag, no guesswork\u003c\/li\u003e\n\u003cli\u003eNot for G20\/G22 - those need different rates and free lengths\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSearch terms this actually matches: BMW F20 rear coil spring, F30 N55 rear spring, F80 non-M3 rear coil, Bilstein B3 36-251254, stage 2 BMW rear spring, fast-road rear suspension upgrade.\u003c\/p\u003e","brand":"Bilstein","offers":[{"title":"Default Title","offer_id":54381931954519,"sku":"BILSTEIN-36-251254","price":67.26,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1038\/4575\/7271\/files\/1i_eky3Mx8nV0O50koDdghxA4S2Mpr6Sc_9d5110ee-98cc-4319-ac31-914ceaf97e06.jpg?v=1787137358","url":"https:\/\/cuzracecars.com\/products\/bilstein-36-251254-bmw-f20-f30-f80-b3-oe-replacement-rear-coil-spring-inc-120dx-125d-316i-320i","provider":"Cuz Race Cars","version":"1.0","type":"link"}