{"product_id":"crank-hub-monobloc-mmx-bmw-m3-m4-f80-f82","title":"MMX One-Piece Crank Hub BMW M3 M4 F80 F82","description":"\u003cp\u003eThe problems with the three-piece crankshaft pulleys on S55 engines are well known (see photo 6) and are the main cause of S55 engine failure. \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe crankshaft bolt can work loose due to engine vibration, which means that at the slightest loss of clamping torque, the alignment of the timing gears will no longer be correct. With well-known, potentially disastrous consequences \u003cbr\u003e\u003cbr data-mce-fragment=\"1\"\u003eInstalling a capture plate is simpler than the complete hub (also called a crank hub), but remains an insufficient first level of security for high-power builds. The radical solution remains a hub machined from solid, or even pinned to the crankshaft nose for the wildest builds.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e2 versions, to choose according to your level of tuning:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eStandard crank hub (up to stage 1) \u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePinned crank hub (from stage 2)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNote that the pinned version is supplied with the tooling needed to drill the crankshaft nose to insert the pins, which completely prevent any rotation.\u003c\/p\u003e\n\u003cp\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cstrong\u003eTeam Lupos tip:\u003c\/strong\u003e \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\"For track cars and high-power cars, you should plan to upgrade this locking plate AND install the one-piece pulley kit\"\u003c\/em\u003e\u003c\/p\u003e","brand":"mmx","offers":[{"title":"Standard sprocket","offer_id":47342732902738,"sku":"","price":649.0,"currency_code":"EUR","in_stock":true},{"title":"Pinned sprocket","offer_id":47342732935506,"sku":"","price":899.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0571\/0757\/9057\/files\/crankhubrenforce.jpg?v=1701078642","url":"https:\/\/www.teamlupos.fr\/en-de\/products\/crank-hub-monobloc-mmx-bmw-m3-m4-f80-f82","provider":"Team Lupos","version":"1.0","type":"link"}