$35.99
$60.82
DescriptionThis is our complete engine rebuild solution for the S63TU4 platform — powering the F90 M5, F91/F92/F93 M8, and F95/F96 X5M & X6M models.Each build begins with a $4,500 deposit, with the remaining balance due via certified funds. Engines are fully disassembled, cleaned, and inspected. Rods and pistons are clearance-checked, oil pumps are rebuilt, and all wear items are replaced with new BMW OE gaskets, seals, and bolts. RK-spec rod and main bearings are standard on all builds. For high-horsepower applications, forged upgrades are available — including Carrillo rods and ACL race-coated bearings.$4,500 Deposit RequiredRemaining balance of engine/build purchases must be paid via certified funds.RK Autowerks S63TU4 — Stock Rebuild Process• Full engine disassembly and inspection• All components cleaned to remove oil, sludge, carbon, etc.• Rods and pistons inspected and clearances checked• New RK-spec rod bearings and main bearings installed• Oil pump disassembled, cleaned, and rebuilt• All gaskets and seals replaced• New head bolts and main bearing cap bolts installedRK Autowerks Forged S63TU4• Complete disassembly, cleaning, and inspection• All new OE BMW consumables (gaskets, seals, stretch bolts, etc.)• Rebuilt cylinder heads with latest BMW OE valve seals• Carrillo forged connecting rods• ACL race-coated bearingsApplications• M5 – F90 (2018 )• M8 – F91/F92/F93 (2020 )• X5M & X6M – F95/F96 (2020 )Installation and ShippingInstallation is available at our Dallas/Ft. Worth, TX facility.Freight shipping within the U.S. to commercial addresses only.Delivery time: 7–10 days from pickup.Core PolicyCore deposit varies depending on market value.Send your core in advance, or pay a core charge — refunded partially or in full upon inspection.For full core policy, contact
[email protected] Click Here For Warranty InfoCore ChargesIn the situation the core is damaged, the following charges can potentially be incurred.• Engine block: up to $5,000 (if sleeve-able) • Cylinder heads: $900–$3,000 per bank • Oil pump: $700 • Upper oil pan: $1,500 • Lower oil pan: $500–$600 • Crankshaft: $1,250 if unrepairable
