{"product_id":"acl-bmw-m20-m50-m52-m54-1919cc-80-0mm-bore-66-0mm-stroke-0-25mm-oversized-conrod-bearing-set-6b1490h-25","title":"ACL BMW M20\/M50\/M52\/M54 1919cc 80.0mm Bore 66.0mm Stroke 0.25mm Oversized Conrod Bearing Set | 6B1490H-.25","description":"\u003cp\u003eThis ACL Conrod (Connecting Rod) Bearing Set is machined 0.25mm over standard, for an M20\/M50\/M52\/M54 crankshaft that has been reground to that oversize spec. It fits the 1919cc engine (80.0mm bore, 66.0mm stroke) used across a wide range of BMW models, including the 323i\/323Ci\/323is, 325 variants, 328i\/328Ci\/328is, 330i\/330Ci\/330xi, 525i, 528i\/528e, 530i, M3, X3, X5, Z3, and Z4, spanning roughly 1982-2006.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eType: Conrod (Rod) Bearing Set\u003c\/li\u003e\n\u003cli\u003eSize: 0.25mm Oversized\u003c\/li\u003e\n\u003cli\u003eEngine Fitment: BMW M20\/M50\/M52\/M54 1919cc (80.0mm Bore, 66.0mm Stroke)\u003c\/li\u003e\n\u003cli\u003ePart Number: 6B1490H-.25\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch5\u003eWhat does \"0.25mm Oversized\" mean?\u003c\/h5\u003e\u003cp\u003eIt means the bearings are machined 0.25mm larger than standard to match a crankshaft that has been reground by that amount.\u003c\/p\u003e\u003ch5\u003eWhat vehicles use this 1919cc M20\/M50\/M52\/M54 engine?\u003c\/h5\u003e\u003cp\u003eA wide range of BMW models including the 323i\/323Ci\/323is, 325 variants, 328i\/328Ci\/328is, 330i\/330Ci\/330xi, 525i, 528i\/528e, 530i, M3, X3, X5, Z3, and Z4, spanning roughly 1982-2006.\u003c\/p\u003e\u003ch5\u003eIs this a main or rod bearing set?\u003c\/h5\u003e\u003cp\u003eConrod (connecting rod) bearing set - it supports the connecting rods, not the crankshaft mains.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What does \\\"0.25mm Oversized\\\" mean?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It means the bearings are machined 0.25mm larger than standard to match a crankshaft that has been reground by that amount.\"}},{\"@type\":\"Question\",\"name\":\"What vehicles use this 1919cc M20\/M50\/M52\/M54 engine?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A wide range of BMW models including the 323i\/323Ci\/323is, 325 variants, 328i\/328Ci\/328is, 330i\/330Ci\/330xi, 525i, 528i\/528e, 530i, M3, X3, X5, Z3, and Z4, spanning roughly 1982-2006.\"}},{\"@type\":\"Question\",\"name\":\"Is this a main or rod bearing set?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Conrod (connecting rod) bearing set - it supports the connecting rods, not the crankshaft mains.\"}}]}\u003c\/script\u003e","brand":"ACL","offers":[{"title":"Default Title","offer_id":42631471759408,"sku":"ACL6B1490H-.25","price":172.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/9548\/3440\/files\/40122eef7c72ad8aedbf813a6911e74f_8575792d-4d1b-4122-bc55-516392220bb3.png?v=1765198154","url":"https:\/\/berryperformancesales.com\/products\/acl-bmw-m20-m50-m52-m54-1919cc-80-0mm-bore-66-0mm-stroke-0-25mm-oversized-conrod-bearing-set-6b1490h-25","provider":"Berry Performance Sales","version":"1.0","type":"link"}