{"product_id":"mahle-motorsport-conrod-bearings-bmw-f80-m3-f82-f83-m4-f87-m2-s55-n55","title":"MAHLE Motorsport S55\/N55 Connecting Rod (Conrod) Bearings Set  BMW F80 M3, F82\/F83 M4, F87 M2  6-Cylinder Big End Bearings, UK Made","description":"\u003cdiv\u003e\n  \u003ch2\u003eMAHLE Motorsport Big-End Shell Kit for BMW S55 and N55\u003c\/h2\u003e\n  \n  \u003cp\u003eReinforce the bottom end of your BMW M car with race-grade big-end shells from MAHLE Motorsport. Manufactured in the UK and proven in top-level competition, this bearing shell kit delivers the reliability, oil film stability and durability that fast-road and track enthusiasts demand for S55 and N55 powered cars.\u003c\/p\u003e\n  \n  \u003ch3\u003eWhy choose these bearing shells\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eDirect fit for BMW F80 M3, F82 M4, F83 M4 and F87 M2 with S55 or N55 engines\u003c\/li\u003e\n    \u003cli\u003eComplete kit for six cylinders for a thorough bottom-end refresh\u003c\/li\u003e\n    \u003cli\u003eDesigned for use with a standard unground crankshaft\u003c\/li\u003e\n    \u003cli\u003eUK-made to elite motorsport standards for consistent performance\u003c\/li\u003e\n    \u003cli\u003eNominal clearance of 55 micron with a 43 to 57 micron range for dependable oil film control\u003c\/li\u003e\n    \u003cli\u003eClearances derived using MAHLE Motorsport modelling to predict housing swell, bearing load, oil film thickness and power loss\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \n  \u003ch3\u003eRace-proven metallurgy\u003c\/h3\u003e\n  \u003cp\u003eEach shell features a high-strength steel backing with a cast bronze substrate and a VP2 lead indium overlay. This construction offers exceptional fatigue resistance and conformability compared with typical tri-metal designs that use sintered layers with tin or lead overlays. The same material technology is in service at the highest levels of motorsport including Formula 1, Le Mans, NASCAR, MotoGP, WRC and DTM.\u003c\/p\u003e\n  \n  \u003ch3\u003eReal-world confidence for road and track\u003c\/h3\u003e\n  \u003cp\u003eThe optimised 55 micron nominal clearance and advanced oil film modelling give superb load capacity and consistent lubrication under hard use. At MJ Modifications we run and fit these shells on customer builds and have been consistently impressed with the quality, fitment and bearing pattern over time. They are an outstanding choice for preventative maintenance, bottom-end refreshes and performance builds.\u003c\/p\u003e\n  \n  \u003ch3\u003eCompatibility\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eBMW F80 M3 with S55 engine\u003c\/li\u003e\n    \u003cli\u003eBMW F82 M4 with S55 engine\u003c\/li\u003e\n    \u003cli\u003eBMW F83 M4 with S55 engine\u003c\/li\u003e\n    \u003cli\u003eBMW F87 M2 with N55 or S55 engine\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \n  \u003ch3\u003eIdeal for\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eS55 bearing shell replacement and upgrades\u003c\/li\u003e\n    \u003cli\u003eN55 big-end refresh and preventative maintenance\u003c\/li\u003e\n    \u003cli\u003ePerformance and track-day builds seeking reliable bottom-end protection\u003c\/li\u003e\n    \u003cli\u003eOEM-size journal shells for standard crank journals\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \n  \u003ch3\u003eFitting and support\u003c\/h3\u003e\n  \u003cp\u003eProfessional installation is strongly recommended for best results. Book fitting with MJ Modifications in Warwickshire. Request a quote at \u003ca href=\"mailto:info@mjmodifications.co.uk\"\u003einfo@mjmodifications.co.uk\u003c\/a\u003e.\u003c\/p\u003e\n  \u003cp\u003eImportant: observe correct clearances, cleanliness and torque procedures during installation. Designed for use with an unground crank.\u003c\/p\u003e\n  \n  \u003ch3\u003ePopular search terms\u003c\/h3\u003e\n  \u003cp\u003eMAHLE Motorsport bearing shells S55, MAHLE Motorsport bearing shells N55, BMW big end shells M3, BMW big end shells M4, BMW big end shells M2, S55 rod shell kit, N55 rod shell kit, BMW bottom end bearings F80 F82 F83 F87, UK made engine bearings, VP2 lead indium overlay shells, steel backed bronze bearing shells, performance engine bearings BMW, racing bearing shells UK, straight-six rod shells, OEM size journal shells, standard crankshaft fit shells, S55 bearing replacement UK, N55 bearing replacement UK, BMW M rod shell upgrade, F series BMW M bottom end shells.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"MAHLE","offers":[{"title":"Default Title","offer_id":55979924554114,"sku":"VC1047 STD","price":279.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/5445\/8937\/files\/VC1047_1_WEB.jpg?v=1763398362","url":"https:\/\/mjmodifications.co.uk\/products\/mahle-motorsport-conrod-bearings-bmw-f80-m3-f82-f83-m4-f87-m2-s55-n55","provider":"MJ Modifications","version":"1.0","type":"link"}