Engine Builds.

Full in-house engine builds for BMW N5X, S5X, and B58/X58 platforms. From short blocks rated 800 HP to full standalone-managed 1,000+ HP monsters. Precision machining, forged internals, and dyno-validated power.

Platforms We Build

• N54 — twin turbo I6, the original tuner platform
• N55 — single turbo I6, modern bolt-on builds
• S55 — F8X M3/M4 platform, big power capable
• S58 — G8X M3/M4 platform, full builds in progress
• B58 / X58 — the new tuner darling, massive headroom
• S65 / S85 — V8 naturally aspirated specialty work

What's Included In a Built Engine

• Precision machining and balancing (block + rotating assembly)
• Performance rod and main bearings
• Forged rods and pistons (heavy-duty options available)
• 11mm headstud kits (drop-in or full conversion)
• Epoxy closed deck for high-boost applications
• O-ringed block for 1,000+ HP builds
• Documented build sheet + parts list for warranty/audit

Build Stages (See the Demo)

• Stage 1: 800 HP rated short block
• Stage 2: 900 HP rated short block (full 11mm + epoxy deck)
• Stage 3: 1,XXX HP rated short block (full forged + O-ringed)

See the full interactive engine breakdown at /engine-tune-demo.html.