NOTICE: Please provide us your VIN code before purchase to make the 100% fitment to avoid any trouble later.It's REALLY important !!! Thanks Understanding. :) 
Note: Please ensure that the engine oil is flowing smoothly, otherwise tiles and shafts will be burned! There is no warranty!

OE:1100 2409323,1100 2455301,11005A1A4E0,11002469804,11002469805
,11005A1A4E111118600981


Engine model:N63B44c/D

Applicable models:
FOR BMW 5' F07 GT 550
FOR BMW 5' F10 550i
 FOR BMW 5' F11 550i

AcuNova
FOR BMW 5' F12 650i
FOR BMW 5' F13 650i
AcuNova
FOR BMW 5' F01 750i
FOR BMW 5' F02 750i
FOR BMW f15 X5 
FOR BMW f16 X5 

FOR BMW g05 X5 

FOR BMW g06 X6


✅ Factory-Level Remanufacturing
This N63B44c engine undergoes a 27-step certification process, including CNC machining of cylinder heads, block deck resurfacing, and dynamic balancing of rotating assemblies to restore original FOR Mercedes performance specifications.

✅ Critical Component Renewal
• Brand-new hardened alloy cylinder liners (Bore tolerance ±0.003mm)

• Re-honed connecting rods with  bolts

✅ Rigorous Quality Validation
• 3-stage pressure test: 45psi coolant system / 75psi oil circuit / 120psi combustion chamber
• 2-hour dyno simulation covering cold start/idle/redline cycles 

🔥 Cost 60% Less vs. dealership rebuild
⚡️ Ready for direct bolt-on installation

📦 Package Includes



Features:
1. All engine parts are re-cleaned and assembled, and original or supporting manufacturer parts are used.
2.We maintain complete quality control throughout the manufacturing process.
3.Robust design and high-grade materials meet the stringent demands.
4.Meets or exceeds OE specification for fit, finish and function.
5.Stable performance,high reliability.Professional performance auto parts supplier.


🌍 Cross-Border Shipping Solutions

📦 Secure Packaging Standards
• ISPM15-compliant fumigated wooden crate (1200×900×800mm)
• Multi-point shock-absorbing brackets
• Silicone-sealed protection for oil passages & intake ports

🚢 Ocean Freight Service Details
• Port of Loading:  China (Weekly cutoff every Tue/Fri)
• Shipping Terms:  Door-to-Door Service 
• Transit time guarantee:

US West Coast: 28 days + 10-day final delivery

EU Main Ports: 32 days + 10-day final delivery
• Weight limit: Max. 680kg/unit (Complies with 40HQ container specs)

⚠️ Key Notes

Remote area surcharge: $2.6/km (beyond 50km from port)

Cargo insurance recommended (0.3% of value, covers marine risks & handling damage)

Real-time vessel tracking available via carrier's website (BL number required)



Please have lubricating oil correctly~