{"product_id":"mahle-motorsport-conrod-bearings-bmw-f10-f90-m5-f1x-m6-f1x-m8-s63","title":"MAHLE Motorsport Conrod (Connecting Rod) Bearings Set, Standard Size - BMW S63 \u0026 N63 V8 - F10 M5, F90 M5, F1X M6, F1X M8 - Performance Big-End Bearings","description":"\u003cdiv\u003e\n  \u003ch2\u003eHigh-strength Connecting Rod Bearing Shell Kit for BMW V8 S63 and N63 - Standard Journal by MAHLE Motorsport\u003c\/h2\u003e\n\n  \u003cp\u003e\n    Protect your BMW V8 bottom end with MAHLE Motorsport rod journal shells engineered for endurance, fast-road and track use. This premium big end shell kit keeps oil film stable at high load, controls clearance precisely and resists fatigue under heat and rpm. Ideal for preventative maintenance, refreshes and full engine builds on F10 M5, F90 M5, F1X M6 and F1X M8 platforms using S63 or N63 powerplants.\n  \u003c\/p\u003e\n\n  \u003cul\u003e\n    \u003cli\u003eDirect replacement shells for BMW S63 and N63 V8 applications including F10 M5, F90 M5, F1X M6 and F1X M8\u003c\/li\u003e\n    \u003cli\u003eComplete eight-cylinder set supplied\u003c\/li\u003e\n    \u003cli\u003eStandard size for use with stock, unground crank pins\u003c\/li\u003e\n    \u003cli\u003eManufactured in the UK with motorsport-proven materials and processes\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eWhy enthusiasts choose this bearing solution\u003c\/h3\u003e\n  \u003cp\u003e\n    Built by the same specialists who supply top-tier race series including Formula 1, Le Mans, NASCAR, MotoGP, WRC and DTM, these shells deliver remarkable durability and consistency in high-output BMW V8s. We install them in-house on customer cars at MJ Modifications and the results have been superb for both daily driven builds and hard-use track projects. Quiet operation, stable oil pressure and long service life are the common feedback.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eMaterial and construction advantages\u003c\/h3\u003e\n  \u003cp\u003e\n    Each shell features a robust steel back, a cast bronze intermediate layer and MAHLE’s VP2 lead indium overlay. This combination offers:\n  \u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eExceptional fatigue resistance compared to typical aftermarket race shells\u003c\/li\u003e\n    \u003cli\u003eOutstanding conformability and embed ability to protect the crank journals\u003c\/li\u003e\n    \u003cli\u003eReliable oil wedge stability during sustained high-load operation\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\n    Not to be confused with generic sintered tri-metal bearings that rely on a softer lead tin overlay. VP2 lead indium overlay remains a benchmark choice for professional motorsport engine programs seeking superior strength and scuff resistance.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eOptimised clearances for power and protection\u003c\/h3\u003e\n  \u003cp\u003e\n    Nominal target clearance of 55 micron with a 43 to 57 micron working window. Clearances are computed using MAHLE Motorsport design software that models housing swell, bearing load, oil film thickness and friction losses to balance reliability with performance.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eBest for\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eBottom end refresh and rod shell replacement on BMW S63\u003c\/li\u003e\n    \u003cli\u003eN63 connecting rod shell service during rebuilds\u003c\/li\u003e\n    \u003cli\u003eTrack-day, fast-road and tuned M5, M6 and M8 builds needing dependable big end shells\u003c\/li\u003e\n    \u003cli\u003eOwners wanting a UK-made, motorsport-grade bearing package\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eCompatibility\u003c\/h3\u003e\n  \u003cp\u003e\n    Engine families: BMW S63 and BMW N63. Typical applications include:\n  \u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eBMW F10 M5 - S63\u003c\/li\u003e\n    \u003cli\u003eBMW F90 M5 - S63\u003c\/li\u003e\n    \u003cli\u003eBMW F1X M6 - S63\u003c\/li\u003e\n    \u003cli\u003eBMW F1X M8 - S63\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\n    If you are unsure about suitability for your exact year or variant, contact us for guidance.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eWhat is included\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eOne full set of connecting rod bearing shells for eight cylinders\u003c\/li\u003e\n    \u003cli\u003eStandard diameter shells for use with unground crankshaft journals\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eFitting and support\u003c\/h3\u003e\n  \u003cp\u003e\n    Professional installation is recommended. MJ Modifications offers in-house fitting in Warwickshire. Request a quote at \u003ca href=\"mailto:info@mjmodifications.co.uk\"\u003einfo@mjmodifications.co.uk\u003c\/a\u003e and our team will advise on best practices, torque specs, clearances and consumables for your build.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eWhy buy from MJ Modifications\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eBMW V8 specialists with extensive S63 and N63 experience\u003c\/li\u003e\n    \u003cli\u003eProven in our own customer projects with excellent reliability and oil control\u003c\/li\u003e\n    \u003cli\u003eStraightforward advice for road, fast-road and circuit use\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eSearch terms to help you find the right product\u003c\/h3\u003e\n  \u003cp\u003e\n    BMW V8 rod shell kit, big end shell set S63, N63 connecting rod shells, crankpin shells BMW M5, bottom end bearing shells M6, M8 rod journal bearings, VP2 lead indium bearing shells, UK-made performance rod shells, BMW S63 journal bearings, N63 bottom end refresh, M5 rod journal replacement, M6 big end shell upgrade, M8 engine bearing set, high performance crankpin bearings, standard journal BMW V8 shells, race-grade engine bearings for BMW S63 and N63.\n  \u003c\/p\u003e\n\u003c\/div\u003e","brand":"MAHLE","offers":[{"title":"Default Title","offer_id":55979924488578,"sku":"VC1046 STD","price":399.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/5445\/8937\/files\/VC1046_3_WEB.jpg?v=1763398360","url":"https:\/\/mjmodifications.co.uk\/products\/mahle-motorsport-conrod-bearings-bmw-f10-f90-m5-f1x-m6-f1x-m8-s63","provider":"MJ Modifications","version":"1.0","type":"link"}