{"product_id":"acl-bmw-n63b44-s63b44-4-4l-v8-0-025mm-oversized-main-bearing-set-5m1573h-025","title":"ACL BMW N63B44\/S63B44 4.4L V8 0.025mm Oversized Main Bearing Set | 5M1573H-.025","description":"\u003cp\u003eThis ACL Main Bearing Set is machined 0.025mm over standard, for an N63B44\/S63B44 crankshaft that has been reground to that oversize spec. It fits the 4.4L twin-turbo V8 used in the BMW 750i (2009-2012), M5 (2013-2016), M6 (2012-2018), and X5 M \/ X5 xDrive50i (2011-2018).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eType: Main Bearing Set\u003c\/li\u003e\n\u003cli\u003eSize: 0.025mm Oversized\u003c\/li\u003e\n\u003cli\u003eEngine Fitment: BMW N63B44\/S63B44 4.4L V8\u003c\/li\u003e\n\u003cli\u003ePart Number: 5M1573H-.025\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch5\u003eWhat does \"0.025mm Oversized\" mean?\u003c\/h5\u003e\u003cp\u003eIt means the bearings are machined 0.025mm larger than standard to match a crankshaft that has been reground by that amount, not a stock, unmachined journal.\u003c\/p\u003e\u003ch5\u003eWhat vehicles use the N63B44\/S63B44 engine?\u003c\/h5\u003e\u003cp\u003eThe BMW 750i (2009-2012), M5 (2013-2016), M6 (2012-2018), and X5 M \/ X5 xDrive50i (2011-2018).\u003c\/p\u003e\u003ch5\u003eIs this a main or rod bearing set?\u003c\/h5\u003e\u003cp\u003eMain bearing set - it supports the crankshaft in the engine block.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What does \\\"0.025mm Oversized\\\" mean?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It means the bearings are machined 0.025mm larger than standard to match a crankshaft that has been reground by that amount, not a stock, unmachined journal.\"}},{\"@type\":\"Question\",\"name\":\"What vehicles use the N63B44\/S63B44 engine?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The BMW 750i (2009-2012), M5 (2013-2016), M6 (2012-2018), and X5 M \/ X5 xDrive50i (2011-2018).\"}},{\"@type\":\"Question\",\"name\":\"Is this a main or rod bearing set?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Main bearing set - it supports the crankshaft in the engine block.\"}}]}\u003c\/script\u003e","brand":"ACL","offers":[{"title":"Default Title","offer_id":42631471104048,"sku":"ACL5M1573H-.025","price":449.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/9548\/3440\/files\/764a59a7fd5d74a6e75fe7b68c309554L_23a66d2c-fca9-4ebe-a9aa-7f7bc032bbe3.png?v=1765198147","url":"https:\/\/berryperformancesales.com\/products\/acl-bmw-n63b44-s63b44-4-4l-v8-0-025mm-oversized-main-bearing-set-5m1573h-025","provider":"Berry Performance Sales","version":"1.0","type":"link"}