Engine Building — Precision Machine Shop Services

We specialize in high‑performance BMW engine machining and assembly. Every build is measured, blueprinted, and assembled with strict tolerances using professional machine‑shop equipment.


🔧 BMW Platforms We Specialize In

  • BMW N54 — Twin‑turbo inline‑six
  • BMW N55 — Single‑turbo inline‑six
  • BMW S55 — Twin‑turbo M3/M4 engine

All engines are built with motorsport‑grade tolerances and precision measurement.


🛠 Sleeving Services (Closed‑Deck Conversion)

  • Closed‑deck block conversion
  • Ductile‑iron performance sleeves
  • Prevents cylinder wall flex and cracking
  • Supports high‑boost and big‑turbo builds
  • Machined with precision CNC equipment

Sleeving available for N54, N55, and S55 blocks.


Engine Assembly Services

  • Complete long‑block assembly
  • Forged pistons and rods installation
  • Main and rod bearing clearances set to spec
  • Ring gapping for boosted applications
  • ARP hardware installation
  • Oil pump upgrades and reliability mods
  • Timing components and VANOS setup

Every engine is assembled with calibrated micrometers, bore gauges, and machine‑shop measurement tools.


🧰 Additional Machining Services

  • Hot tank cleaning
  • Deck resurfacing
  • Crank polishing
  • Head rebuilds and valve work
  • Performance gasket and seal installation

Disclaimer: All engine building and machining services are performed at the customer's own risk. I am not responsible for any damage, failure, or malfunction that may occur during or after engine assembly, including but not limited to block failure, bearing failure, overheating, or tuning‑related issues. By proceeding with any engine service, the customer acknowledges and accepts full responsibility for the condition and reliability of their engine and components.