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• 

  RK Autowerks S63TU Engine – M5 M6 X5M X6M

  Rated 5.00 out of 5
  $9,499.00 Select options
• 

  RK Autowerks S63 Stage 2 Turbo – M5 (F10/F90), M6 (F12), X5M/X6M (F85/F86)

  $3,999.00 Select options
• 

  RK Autowerks S63 Exhaust Cam Upgrade – Direct Injection Compatible

  $1,799.99 Select options
• 

  RK Autowerks Billet Differential Mount – F10/F06/F12/F13 M5 & M6 (Drivetrain Reinforcement Upgrade)

  Rated 5.00 out of 5
  $1,399.00 Add to cart