{"product_id":"mmr-single-piece-crank-hub-upgrade-bmw-s55-m2c-m3-m4-f8x","title":"MMX Single Piece Crank Hub Upgrade - BMW S55 M2C, M3, M4 F8x","description":"\u003cp\u003e\u003cspan\u003eEngine failures caused by the standard three-piece crank hub on the S55 and N55 engine are (unfortunately) well known, but these are fully addressed with the installation of the MMR Performance 4-pinned single-piece crank hub. Together with the option of adding our Capture Plate for ultimate security.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"h2\"\u003e\u003cspan\u003e\u003cimg alt=\"\" src=\"https:\/\/mm-x.com\/cdn\/shop\/files\/MMR20-1004_Banner.png?v=1719169020\u0026amp;width=3000\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 class=\"h2\"\u003e\u003cstrong\u003eSingle-piece crank hub with a 4-pin dowelled location that locks onto the end of the crankshaft.\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe centrepiece of the MMR kit is the UK made CNC-machined one-piece crank hub, created from billet EN36 steel that's heat-treated with a 0.75mm case hardening, making it incredibly strong and durable. Included are four aerospace precision machined dowels that mechanically lock the hub to end of the crank itself, plus a brand new OE bolt.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eInstallation of these dowels is certainly not a DIY job. But, to make the job easier for the professionals, ensuring that the required crank modifications are made safely and accurately, the MMR kit also includes a full installation jig that includes a bolt-on drilling guide, a location bolt for this guide, plus an HSS rolled high-speed drill bit.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eTogether, the single-piece design combined with the four-pin location ensures that there is simply no way that the friction plates can ever slip. With the new OE crank bolt tightened appropriately, this delivers a transformational improvement in reliability and peace of mind versus the OE version.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003ch2 style=\"font-weight: 400;\"\u003e\n\u003cstrong\u003eProduct Features\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eSingle-piece design.\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eX4 aerospace precision machined dowels.\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMachined from heat-treated billet EN36 steel.\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAvailable to purchase with capture plate.\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eComplete kit with everything you need including drilling jig and drill bit.\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eThe ultimate solution to preventing crank hub failure.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2 style=\"text-align: left;\"\u003e\u003cstrong\u003eProduct Fitment\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003cdiv class=\"feature-chart__table-row\"\u003e\n\u003cdiv class=\"feature-chart__heading bold\"\u003e\n\u003cdiv class=\"feature-chart__table-row\"\u003e\n\u003cdiv class=\"feature-chart__heading bold\"\u003e\n\u003cdiv class=\"feature-chart__table-row\"\u003e\n\u003cdiv class=\"feature-chart__heading bold\"\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"feature-chart__value prose text-subdued\"\u003e\n\u003cp\u003e\u003cspan class=\"metafield-multi_line_text_field\"\u003e1-Series, 2-Series, 3-Series \u0026amp; 4-Series\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-chart__table-row\"\u003e\n\u003cdiv class=\"feature-chart__heading bold\"\u003e\u003cstrong\u003eChassis code\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"feature-chart__value prose text-subdued\"\u003e\n\u003cp\u003e\u003cspan class=\"metafield-multi_line_text_field\"\u003eF2x, F3x, F80, F82 \u0026amp; F87\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-chart__table-row\"\u003e\n\u003cdiv class=\"feature-chart__heading bold\"\u003e\u003cstrong\u003eModel year\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"feature-chart__value prose text-subdued\"\u003e\n\u003cp\u003e\u003cspan class=\"metafield-multi_line_text_field\"\u003e2011 - 2021\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-chart__table-row\"\u003e\n\u003cdiv class=\"feature-chart__heading bold\"\u003e\u003cstrong\u003eModel variant\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"feature-chart__value prose text-subdued\"\u003e\n\u003cp\u003e\u003cspan class=\"metafield-multi_line_text_field\"\u003eM135i, M235i, 335i, 435i, OG M2, M2C, M3 \u0026amp; M4\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-chart__table-row\"\u003e\n\u003cdiv class=\"feature-chart__heading bold\"\u003e\u003cstrong\u003eEngine code\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"feature-chart__value prose text-subdued\"\u003e\n\u003cp\u003e\u003cspan class=\"metafield-multi_line_text_field\"\u003eN55 \u0026amp; S55\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003ch2\u003e\u003cstrong\u003ePart No: \u003cspan\u003eMMR20-1004\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003c!----\u003e","brand":"MMX","offers":[{"title":"Default Title","offer_id":50121210659090,"sku":"MMR20-1004","price":818.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0809\/6684\/4690\/files\/MMR20-10042_png.webp?v=1751018598","url":"https:\/\/jxlperformance.co.uk\/ru\/products\/mmr-single-piece-crank-hub-upgrade-bmw-s55-m2c-m3-m4-f8x","provider":"JXL Performance","version":"1.0","type":"link"}