{"title":"Main Bearings","description":null,"products":[{"product_id":"5150-autosport-high-performance-main-bearing-set-bmw-s54","title":"5150 AutoSport High Performance Main Bearing Set, BMW S54","description":"\u003cp\u003eProtect the bottom end of your BMW S54B32 \/ S54 engines with the 5150 AutoSport High Performance Main Bearing Set, BMW S54, engineered for durability under high load and high RPM. Engineered by 5150 AutoSport, this main bearing set is built to the standards demanded by high-performance and motorsport BMW builds.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDesigned for BMW S54B32 \/ S54 engines\u003c\/li\u003e\n\u003cli\u003eEngineered for durability under high load and high RPM\u003c\/li\u003e\n\u003cli\u003ePrecision tolerances for correct bearing clearance\u003c\/li\u003e\n\u003cli\u003eIdeal for high-performance and forced-induction builds\u003c\/li\u003e\n\u003cli\u003eTrusted protection for the rotating assembly\u003c\/li\u003e\n\u003cli\u003eSupplied by 5150 AutoSport, trusted by BMW enthusiasts worldwide\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eProduct Details\u003c\/h3\u003e\u003cp\u003eDesigned specifically for high-performance engine builds, 5150 High-Performance Coated Main Bearing Sets deliver unparalleled durability and efficiency for the BMW S54 engine. Each bearing features shells treated and coated by Calico, significantly reducing friction to enhance engine output and efficiency.\u003c\/p\u003e\u003cp\u003eUnlike OEM bearings, \u003cem\u003e\u003cstrong\u003ethese Calico-coated options provide superior thermal resistance, making them ideal for high-horsepower applications, including forced induction and racing.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\u003cp\u003eCalico's innovative coating not only withstands the rigors of extreme performance but also mitigates the risk of sudden engine failure during oil pressure loss, ensuring a reliable and robust performance in any situation.\u003c\/p\u003e\u003cp\u003eTrusted on and off the track, 5150 bearings have demonstrated exceptional longevity and performance, consistently outlasting competitors. For those seeking reliability and power, choosing 5150 means investing in a proven solution that supports your high-performance goals.\u003c\/p\u003e\u003cp\u003e\u003cem\u003e\u003cstrong\u003eTech Notes: \u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAs with all bearings, please check your tolerances and size before installation.\u003c\/li\u003e\n\u003cli\u003eDue to the specialized tools needed, professional install recommended.\u003c\/li\u003e\n\u003cli\u003eThere are no returns available on any engine bearings. \u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eBMW S54 Applications:\u003c\/strong\u003e\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eBMW 3 Series\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e2000-2006 E46 M3\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBMW Z3 Series\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e2001-2002 Z3 M\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBMW Z4 Series\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e2006-2008 Z4 M\u003c\/p\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eBMW S54 Models\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBMW E46 M3\u003c\/li\u003e\n\u003cli\u003eBMW Z3 M Roadster \/ Coupe\u003c\/li\u003e\n\u003cli\u003eBMW Z4 M Roadster \/ Coupe\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Choose 5150 AutoSport?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePurpose-built BMW performance engineering\u003c\/li\u003e\n\u003cli\u003eComponents developed for high-power, real-world durability\u003c\/li\u003e\n\u003cli\u003eTrusted by serious BMW engine builders\u003c\/li\u003e\n\u003cli\u003eSpecialist knowledge of forced-induction and high-RPM builds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Buy from R44 Performance?\u003c\/h3\u003e\u003cp\u003eR44 Performance supplies premium BMW performance and engine-building components trusted by enthusiasts worldwide.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBMW specialists\u003c\/li\u003e\n\u003cli\u003eGenuine 5150 AutoSport products\u003c\/li\u003e\n\u003cli\u003eFast UK \u0026amp; worldwide shipping\u003c\/li\u003e\n\u003cli\u003eExpert product support\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eUpgrade your BMW S54B32 \/ S54 build with the 5150 AutoSport High Performance Main Bearing Set, BMW S54 — available now from R44 Performance.\u003c\/p\u003e","brand":"5150 AutoSport","offers":[{"title":"Default Title","offer_id":57549761118590,"sku":"5150-HPMBS-S54","price":225.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0280\/7568\/8011\/files\/BMW-S54-Coated-Main-Bearing-Replacement-Set.webp?v=1781531998"},{"product_id":"5150-autosport-high-performance-main-bearing-set-bmw-m54","title":"5150 AutoSport High Performance Main Bearing Set, BMW M54","description":"\u003cp\u003eProtect the bottom end of your BMW M54 engine with the 5150 AutoSport High Performance Main Bearing Set, BMW M54, engineered for durability under high load and high RPM. Engineered by 5150 AutoSport, this main bearing set is built to the standards demanded by high-performance and motorsport BMW builds.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDesigned for BMW M54 engine\u003c\/li\u003e\n\u003cli\u003eEngineered for durability under high load and high RPM\u003c\/li\u003e\n\u003cli\u003ePrecision tolerances for correct bearing clearance\u003c\/li\u003e\n\u003cli\u003eIdeal for high-performance and forced-induction builds\u003c\/li\u003e\n\u003cli\u003eTrusted protection for the rotating assembly\u003c\/li\u003e\n\u003cli\u003eSupplied by 5150 AutoSport, trusted by BMW enthusiasts worldwide\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eProduct Details\u003c\/h3\u003e\u003cp\u003e5150 AutoSport's High-Performance Coated Main Bearing Set for the BMW M54 engine is engineered for high-stress environments. \u003cem\u003e\u003cstrong\u003eCoated by Calico, these bearings reduce friction and improve power generation, making them ideal for forced induction and racing applications.\u003c\/strong\u003e\u003c\/em\u003e Their thermal-resistant coating adds a layer of protection, helping to prevent catastrophic engine failure from oil pressure loss.\u003c\/p\u003e\u003cp\u003eUnlike OEM bearings, 5150’s coated bearings offer enhanced durability and longevity, proven in both street and track conditions. For serious performance builds, these bearings are a reliable upgrade that ensures your engine can handle extreme conditions with confidence.\u003c\/p\u003e\u003cp\u003e\u003cem\u003e\u003cstrong\u003eTech Notes: \u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAs with all bearings, please check your tolerances and size before installation.\u003c\/li\u003e\n\u003cli\u003eDue to the specialized tools needed, professional install recommended.\u003c\/li\u003e\n\u003cli\u003eThere are no returns available on any engine bearings. \u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eBMW M54 Applications:\u003c\/strong\u003e\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eBMW 3 Series\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e2000-2006 E46 320i \/ 320Ci 2000-2006 E46 325i \/ 325xi \/ 325Ci 2000-2006 E46 330i \/ 330xi \/ 330Ci \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBMW 5 Series\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e2000-2003 E39 520i [Europe] 2000-2003 E39 525i 2000-2003 E39 530i 2003-2005 E60\/E61 525i 2003-2005 E60\/E61 530i \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBMW 7 Series\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e2001 E38 730i \/ 730Li [Europe]\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBMW Z3 Series\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e2000-2002 Z3 2.2i \/ 2.5i \/ 3.0i\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBMW Z4 Series\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e2002-2005 Z4 2.5i \/ 3.0i\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBMW X3 Series\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e2003-2006 E83 X3 2.5i \/ 3.0i \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBMW X5 Series\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e2000-2006 E53 X5 3.0i\u003c\/p\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eBMW M54 Models\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBMW E46 325i \/ 330i\u003c\/li\u003e\n\u003cli\u003eBMW E39 525i \/ 530i\u003c\/li\u003e\n\u003cli\u003eBMW E60 525i \/ 530i\u003c\/li\u003e\n\u003cli\u003eBMW E83 X3\u003c\/li\u003e\n\u003cli\u003eBMW Z4 2.5i \/ 3.0i\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Choose 5150 AutoSport?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePurpose-built BMW performance engineering\u003c\/li\u003e\n\u003cli\u003eComponents developed for high-power, real-world durability\u003c\/li\u003e\n\u003cli\u003eTrusted by serious BMW engine builders\u003c\/li\u003e\n\u003cli\u003eSpecialist knowledge of forced-induction and high-RPM builds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Buy from R44 Performance?\u003c\/h3\u003e\u003cp\u003eR44 Performance supplies premium BMW performance and engine-building components trusted by enthusiasts worldwide.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBMW specialists\u003c\/li\u003e\n\u003cli\u003eGenuine 5150 AutoSport products\u003c\/li\u003e\n\u003cli\u003eFast UK \u0026amp; worldwide shipping\u003c\/li\u003e\n\u003cli\u003eExpert product support\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eUpgrade your BMW M54 build with the 5150 AutoSport High Performance Main Bearing Set, BMW M54 — available now from R44 Performance.\u003c\/p\u003e","brand":"5150 AutoSport","offers":[{"title":"Default Title","offer_id":57549766590846,"sku":"5150-HPMBS-M54","price":225.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0280\/7568\/8011\/files\/Coated-Main-Bearings-for-BMW-M54-I6.webp?v=1781532015"},{"product_id":"5150-autosport-xtreme-main-bearing-set-bmw-s54","title":"5150 AutoSport Xtreme Main Bearing Set, BMW S54","description":"\u003cp\u003eProtect the bottom end of your BMW S54B32 \/ S54 engines with the 5150 AutoSport Xtreme Main Bearing Set, BMW S54, engineered for durability under high load and high RPM. Engineered by 5150 AutoSport, this main bearing set is built to the standards demanded by high-performance and motorsport BMW builds.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDesigned for BMW S54B32 \/ S54 engines\u003c\/li\u003e\n\u003cli\u003eEngineered for durability under high load and high RPM\u003c\/li\u003e\n\u003cli\u003ePrecision tolerances for correct bearing clearance\u003c\/li\u003e\n\u003cli\u003eIdeal for high-performance and forced-induction builds\u003c\/li\u003e\n\u003cli\u003eTrusted protection for the rotating assembly\u003c\/li\u003e\n\u003cli\u003eSupplied by 5150 AutoSport, trusted by BMW enthusiasts worldwide\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eProduct Details\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003e5150 Xtreme Race Bearings – BMW S54\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOur 5150 Xtreme race bearings have been thoroughly validated in road racing environments, with proven performance in naturally aspirated engines producing over 480 HP and turbocharged applications exceeding 1400 HP. Developed and tested under extreme conditions, they provide the consistency and durability required when engines are pushed to their limits.\u003c\/p\u003e\u003cp\u003eDesigned specifically for the BMW S54 platform, 5150 Xtreme bearings are intended for race use. Each bearing is precision-treated, coated, and measured to ensure optimal fit and performance. Each bearing shell is measured and matched in-house before kitting to ensure precise fit and consistency.\u003c\/p\u003e\u003cp\u003eCompared to OEM bearings, these coated variants offer increased thermal tolerance, making them well-suited for engines subjected to the elevated temperatures and sustained stress of track use. The coating reduces friction and promotes stable operation under high load, while also providing an added layer of protection during harsh conditions, including brief periods of reduced lubrication.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTech Notes:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eVerify all clearances and sizing prior to installation\u003c\/li\u003e\n\u003cli\u003eProfessional installation is recommended due to required tools and precision\u003c\/li\u003e\n\u003cli\u003eEngine bearings are not eligible for return\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eBMW S54 Applications:\u003c\/strong\u003e\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eBMW 3 Series\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e2000-2006 E46 M3\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBMW Z3 Series\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e2001-2002 Z3 M\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBMW Z4 Series\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e2006-2008 Z4 M\u003c\/p\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eBMW S54 Models\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBMW E46 M3\u003c\/li\u003e\n\u003cli\u003eBMW Z3 M Roadster \/ Coupe\u003c\/li\u003e\n\u003cli\u003eBMW Z4 M Roadster \/ Coupe\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Choose 5150 AutoSport?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePurpose-built BMW performance engineering\u003c\/li\u003e\n\u003cli\u003eComponents developed for high-power, real-world durability\u003c\/li\u003e\n\u003cli\u003eTrusted by serious BMW engine builders\u003c\/li\u003e\n\u003cli\u003eSpecialist knowledge of forced-induction and high-RPM builds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Buy from R44 Performance?\u003c\/h3\u003e\u003cp\u003eR44 Performance supplies premium BMW performance and engine-building components trusted by enthusiasts worldwide.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBMW specialists\u003c\/li\u003e\n\u003cli\u003eGenuine 5150 AutoSport products\u003c\/li\u003e\n\u003cli\u003eFast UK \u0026amp; worldwide shipping\u003c\/li\u003e\n\u003cli\u003eExpert product support\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eUpgrade your BMW S54B32 \/ S54 build with the 5150 AutoSport Xtreme Main Bearing Set, BMW S54 — available now from R44 Performance.\u003c\/p\u003e","brand":"5150 AutoSport","offers":[{"title":"Default Title","offer_id":57549774127486,"sku":"5150-HPMBS-S54-Race","price":412.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0280\/7568\/8011\/files\/BMW-S54-Coated-Main-Bearing-Replacement-Set_a24a3077-0539-405f-bc93-984e88357b6d.webp?v=1781532041"}],"url":"https:\/\/r44performance.com\/collections\/type-main-bearings.oembed","provider":"R44 Performance","version":"1.0","type":"link"}