{"product_id":"bsk-15-bmw-e8x-e9x-335i-135i-215-bearing-seal-rebuild-kit","title":"Synchrotech BSK-215 BMW E8X\/E9X 335i, 135i (215) Bearing \u0026 Seal Rebuild Kit","description":"\u003cp\u003eThe BSK-215 BMW E8X\/E9X 335i, 135i (215) Bearing \u0026amp; Seal Rebuild Kit is a carbon-lined synchro from Synchrotech, engineered for BMW transmissions. Carbon friction material grips faster and wears longer than factory brass, delivering smoother, more consistent shifts under hard use — on the street, strip, or track.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy upgrade to carbon synchros:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFaster, smoother engagement and reduced grind\u003c\/li\u003e\n\u003cli\u003eSuperior heat and wear resistance vs. OEM brass\u003c\/li\u003e\n\u003cli\u003eIdeal for high-horsepower, high-RPM and track use\u003c\/li\u003e\n\u003cli\u003eDirect-fit replacement — no transmission modification required\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBacked by Synchrotech quality and shipped fast from Speedzone Performance.\u003c\/p\u003e","brand":"MFactory","offers":[{"title":"Default Title","offer_id":42730912612437,"sku":"BSK-215","price":133100.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0947\/5040\/files\/BMW.1.jpg?v=1784071622","url":"https:\/\/speedzone-web.com\/en-jp\/products\/bsk-15-bmw-e8x-e9x-335i-135i-215-bearing-seal-rebuild-kit","provider":"Speedzone Performance LLC","version":"1.0","type":"link"}