{"product_id":"5150-bmw-toyota-b58-head-stud-thread-insert-kit","title":"BMW Toyota B58 Head Stud Thread Insert Kit","description":"\u003cp data-start=\"271\" data-end=\"581\"\u003eThe \u003cstrong data-start=\"275\" data-end=\"314\"\u003eBMW Toyota B58 Head Stud Thread Insert Kit\u003c\/strong\u003e provides your machine shop everything needed to repair or upgrade the engine block threads on BMW Toyota B58 engines. Designed for precision and durability, this kit allows you to restore damaged threads or prepare the block for oversized head studs for improved clamping strength.\u003c\/p\u003e\n\u003cp data-start=\"271\" data-end=\"581\"\u003e\u003cem\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003ePlease note, this product does NOT include head studs.\u003c\/span\u003e Head Studs are available for purchase \u003ca rel=\"noopener\" href=\"https:\/\/5150autosport.com\/products\/arp-head-stud-kit-bmw-toyota-b58\" target=\"_blank\"\u003ehere\u003c\/a\u003e.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp data-start=\"583\" data-end=\"603\"\u003e\u003cstrong\u003eEach BMW Toyota B58 Head Stud Thread Insert Kit includes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"606\" data-end=\"657\"\u003e\u003cstrong data-start=\"606\" data-end=\"655\"\u003e(1) Specialized drill bit for proper thread preparation\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-start=\"606\" data-end=\"657\"\u003e\u003cstrong data-start=\"606\" data-end=\"655\"\u003e(1) High Speed Steel 3-Flute Tap\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-start=\"606\" data-end=\"657\"\u003e\u003cstrong data-start=\"606\" data-end=\"655\"\u003e(1) High Speed Steel Extended \u003cmeta charset=\"utf-8\"\u003e3-Flute Tap\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-start=\"606\" data-end=\"657\"\u003e\u003cstrong data-start=\"606\" data-end=\"655\"\u003e(14) Precision stainless-steel thread inserts\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-start=\"725\" data-end=\"805\"\u003e\u003cstrong data-start=\"725\" data-end=\"745\"\u003eRed threadlocker\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"807\" data-end=\"1065\"\u003eAvailable in \u003cstrong data-start=\"820\" data-end=\"828\"\u003e11mm\u003c\/strong\u003e \u003cstrong\u003efor OEM-spec head stud thread repair\u003c\/strong\u003e or \u003cstrong data-start=\"869\" data-end=\"877\"\u003e12mm\u003c\/strong\u003e \u003cstrong\u003efor use with our\u003c\/strong\u003e\u003cstrong data-start=\"895\" data-end=\"933\"\u003e \u003ca href=\"https:\/\/5150autosport.com\/products\/arp-head-stud-kit-bmw-toyota-b58?variant=50211659645235\" rel=\"noopener\" target=\"_blank\"\u003eOversized Head Stud Kit\u003c\/a\u003e\u003c\/strong\u003e, this thread insert kit ensures a secure and permanent repair capable of withstanding extreme cylinder pressure and torque loads.\u003c\/p\u003e\n\u003cp data-start=\"807\" data-end=\"1065\"\u003e\u003cstrong\u003eHow these inserts work:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"807\" data-end=\"1065\"\u003e\u003cmeta charset=\"utf-8\"\u003eOur insert design supports the use of both factory head bolts and high-quality aftermarket ARP head studs. These fasteners use rolled threads, which are up to 20% stronger than cut threads, and are engineered to flex and return to shape as the engine heats and cools—maintaining consistent clamping pressure on the head gasket throughout every heat cycle.\u003c\/p\u003e\n\u003cp data-start=\"807\" data-end=\"1065\"\u003e\u003cstrong\u003eBenefits of Installing Oversized Head Studs:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli data-start=\"807\" data-end=\"1065\"\u003e\n\u003cstrong\u003eRepair Worn or Damaged Threads\u003c\/strong\u003e\u003cbr\u003eWhen an engine block’s head bolt holes become stripped or elongated from repeated torque cycles or overheating, a standard-size stud may no longer hold properly.\u003cbr\u003e \u003cbr\u003eBy drilling and re-tapping the holes to a larger diameter and using oversized studs, you restore proper thread engagement and strength—often stronger than original.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"807\" data-end=\"1065\"\u003e\n\u003cstrong\u003eIncrease Clamping Force\u003c\/strong\u003e\u003cbr\u003eOversized studs can have a larger shank diameter, which increases tensile strength and reduces stretch under high cylinder pressures. This is particularly beneficial for high-boost turbo where combustion pressures are extreme.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"807\" data-end=\"1065\"\u003e\n\u003cstrong\u003eReduce Head Gasket Failure\u003c\/strong\u003e\u003cbr\u003eStronger or larger studs provide more uniform clamping across the cylinder head, which improves gasket sealing and minimizes the risk of head lift or gasket blowout.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eNot all engine blocks are suitable for oversize head stud installation. Due to differences in casting thickness, core shift, and material distribution, some blocks may not have enough surrounding material to be safely machined for larger fasteners.\u003c\/p\u003e\n\u003cp\u003eA skilled and experienced machinist must inspect the block and be confident in its integrity before performing any machining. Improper assessment or installation may result in cracking, coolant passage intrusion, or structural failure. All modifications are performed at the installer’s own risk.\u003c\/p\u003e\n\u003cp data-start=\"807\" data-end=\"1065\"\u003e\u003cem\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003ePlease Note: Installing oversized head studs requires precise machining; drilling and tapping the block must be completely straight and to the correct depth. \u003c\/span\u003e\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp data-start=\"807\" data-end=\"1065\"\u003e\u003cem\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eDon't have a machine shop capable of the job?\u003c\/span\u003e Send your block to 5150 for our \u003ca href=\"https:\/\/5150autosport.com\/products\/b58-oversized-head-stud-installation-service?variant=50211870769459\"\u003eoversized head stud installation service\u003c\/a\u003e.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eBMW B58 Gen 1 Applications:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003e1 Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e2016-2019     F20\/F21     M140i\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2 Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e2016-2019     F22\/F23     M240i\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3 Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e2015-2019     F30\/F31     340i \/ 340i xDrive\u003cbr\u003e2016-2019     F34     340i GT \/ 340i GT xDrive\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4 Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e2016-2020     F32\/F33\/F36     440i \/ 440i xDrive\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5 Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e2016-2019     G30\/G31     540i \/ 540i xDrive\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e6 Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e2017-2019     G32     640i GT \/ 640i GT xDrive\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7 Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e2015-2019     G11\/G12     740i \/ 740i xDrive\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eX3 Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e2017-2019     G01     X3 M40i\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eX4 Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e2018-2019     G02     X4 M40i\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eBMW B58 Gen 2 Applications:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003e3 Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e2019-Present     G20\/G21     M340i \/ M340i xDrive\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4 Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e2020-Present     G22\/G23\/G26     M440i \/ M440i xDrive\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eZ Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e2019-Present     G29     Z4 M40i\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5 Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e2020-Present     G30\/G31 LCI     540i \/ 540i xDrive\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e6 Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e2020-Present     G32 LCI     640i GT \/ GT 640i xDrive \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7 Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e2019-Present     G11\/G12 LCI     740i \/ 740i xDrive\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eX3 Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e2020-Present     G01     X3 M40i\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eX4 Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e2020-Present     G02     X4 M40i\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eX5 Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e2018-Present     G05     X5 xDrive40i\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eX6 Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e2019-Present     G06     X6 xDrive40i\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eX7 Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e2018-Present     G07     X7 xDrive40i\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eALPINA B58 Gen 2 Applications:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eB3 Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e2020-Present     G20\/G21     B3\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eB4 Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e2022-Present     G22     B4\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eB5 Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e2020-Present     G30     B5\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eXB7 Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e2020-Present     G07     XB7\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eToyota B58 Gen 2 Applications:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eA90 \/ A91 Supra\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e2020-Present     GR Supra 3.0     \u003cbr\u003e2020-Present     GR Supra 3.0 Premium     \u003cbr\u003e2021-Present     GR Supra 3.0 A91 Edition\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eSupplied in Egypt by iCode — the official 5150 AutoSport dealer.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cem\u003ePrice shown in EGP is an estimate at today's exchange rate. Final price confirmed after shipping and customs fees.\u003c\/em\u003e\u003c\/p\u003e","brand":"5150 AutoSport","offers":[{"title":"Inserts Only \/ 11 mm OEM-spec studs","offer_id":68329787654343,"sku":null,"price":16208.46,"currency_code":"EGP","in_stock":true},{"title":"Inserts Only \/ 12 mm Oversized head studs","offer_id":68329787687111,"sku":null,"price":16208.46,"currency_code":"EGP","in_stock":true},{"title":"Complete Kit \/ 11 mm OEM-spec studs","offer_id":68329787719879,"sku":null,"price":32417.46,"currency_code":"EGP","in_stock":true},{"title":"Complete Kit \/ 12 mm Oversized head studs","offer_id":68329787752647,"sku":null,"price":32417.46,"currency_code":"EGP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0778\/2108\/3847\/files\/Head-Stud-Thread-Installation-Kit_815631a1-31e2-4022-8522-da5e76b9c591.webp?v=1794334007","url":"https:\/\/icode-egypt.com\/products\/5150-bmw-toyota-b58-head-stud-thread-insert-kit","provider":"iCode - EG","version":"1.0","type":"link"}