BMW S58 Engine Rebuilding & Repairing Services

Performance Rebuilt, Reliability Secured

At Palenon Performance, we offer industry-leading S58 engine rebuilds for BMW G80 M3, G82 M4, G83 M4, G87 M2 & CS—whether you're after a reliable stock refresh or a fully built 1300+whp powerhouse. Every engine is hand-assembled with precision, using premium components and proven techniques to ensure top-tier performance and durability.

From daily driving to track domination, we build your S58 to meet your goals—no compromises.

Take your engine to the next level with the craftsmanship of Scott Martin.

Stock S58 Rebuild

Short Block – $6,900

Specifications:

  • - Stock: pistons and rods fully reusable
  • - Block: cleaned, decked, honed
  • - Machined with torque plate, measured, and in-spec
  • - Crankshaft polished
  • - All new piston rings (properly gapped to fix OEM issue)
  • - All new King bearings
  • - All new bolts
  • - Machine work performed by one of the top shops in the nation

Parts List:

  • - Piston ring set
  • - Machine work
  • - Misc
  • - ACL race main bearings
  • - 5150 H/P rod bearing set
  • - Rod bolts

Long Block – $8,900

Specifications:

Includes all Short Block work, plus

  • - New OEM head bolts
  • - New updated crank hub
  • - Brand new OEM head gasket
  • - All new gaskets and seals
  • - Full assembly from valve cover to oil pan

Parts List:

  • - Front main seal
  • - Rear main seal
  • - ARP girdle/oil pump bolt set
  • - 14 ASA crank cap bolt set
  • - Injector seals
  • - Misc
  • - Valve cover gasket
  • - OEM head gasket
  • - OEM head bolts

1300+whp Rebuild

Short Block – $11,900

Specifications:

  • - Fully built 8-bolt shortblock (1300+ hp rated)
  • - Manley forged 84.50mm pistons
  • - Manley forged H-beam rods
  • - ARP 2000 rod bolts
  • - Epoxy closed deck reinforcement
  • - Upgraded head studs (4 corners to 11mm with NS300L inserts)
  • - Crankshaft 2-pinned for Insane 1-piece crank hub
  • - Block: cleaned, decked, honed
  • - Machined with torque plate, measured, and in-spec
  • - Crankshaft polished
  • - All new King bearings and bolts
  • - OEM twin-turbo coolant passages remain usable

Parts List:

  • - Forged CP Carrillo pistons
  • - Forged CP Carrillo rods
  • - Machine work
  • - Misc
  • - ACL race main bearings
  • - 5150 H/P rod bearing set

Long Block – $13,900

Specification:

Includes all Short Block work, plus

  • - New ARP head studs (all 11mm)
  • - New one-piece Insane crank hub
  • - Brand new OEM head gasket
  • - All new gaskets and seals
  • - New timing chain and guides
  • - New oil pump chain and guides
  • - Head drilled for larger corner studs
  • - Full assembly from valve cover to oil pan

Parts List:

  • - ARP 625+ head studs
  • - Front main seal
  • - Rear main seal
  • - ARP girdle/oil pump bolt set
  • - 14 ASA crank cap bolt set
  • - Injector seals
  • - Misc
  • - Valve cover gasket
  • - OEM head gasket

Thank you for your understanding and cooperation. 🤟🏻👇🏻

Contact us