RK Autowerks S63TU4 – Stock Configuration – 2018+ M5 M8 X5M X6M

Contact support@rkautowerks.com for pricing


RK Autowerks S63TU4 – Stock Rebuild Process:

  • Full engine disassembly and inspection
  • All components are cleaned to remove oil, sludge, carbon, etc
  • All rods & pistons inspected and clearances checked
  • New RK spec rod bearings and main bearings installed
  • Oil pump is disassembled, cleaned, and rebuilt on every motor
  • All seals and gaskets replaced replaced
  • New head bolts & main bearing cap bolts

Can be installed into the following vehicles:

  • M5 | F90 | 2018+
  • M8 | F91/F91/F93 | 2020+
  • X5M & X6M | G05/G06 | 2020+


Contact support@rkautowerks.com for more info.


Installation is available at our shop in Ft. Worth, TX.  Please see this link to add installation.


The S63TU4 will be shipped via freight and takes 7-10 days to arrive once picked up.  Engine can only be sent to a commercial address.

Core Deposits

  • $15,000 – Refundable upon receipt of an S63TU4 with a rebuildable block

Warranty Info




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