- 645Ci 4.4L 2004, 2005
BMW 645Ci 4.4L 4.4L Engine (2004-2005)
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- 1Enter or confirm your VIN
- 2We verify exact fitment for your vehicle
- 3Flat freight shown up front — no surprises
- 490-day warranty included on every part
- 5We photograph & confirm the unit before it ships
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About this part
Boost Your 2004-2005 BMW 645Ci's Performance with 4.4L V8 Engine
Revitalize your E63/E64 6-Series with our OEM-certified N62B44 4.4L V8 engine. This complete powerplant delivers 325 HP and 330 lb-ft torque while maintaining all factory specifications for your luxury coupe/convertible.
Engine Specifications:
| Category | Details |
|---|---|
| Displacement | 4.4L V8 |
| Engine Code | N62B44 |
| Horsepower | 325 HP |
| Torque | 330 lb-ft |
| Fuel System | Sequential Injection |
| Valvetrain | DOHC with Double VANOS |
| Block Material | Aluminium block and head |
| Transmission | Compatible with 6HP19 automatic |
Compatibility:
2004-2005 BMW 645Ci Coupe (E63) & Convertible (E64)
Excludes 2006+ 650i models N62B48
Pricing Options:
| 30K-60K miles | $2,600.00 | Like-new condition |
| 60K-90K miles | $2,230.00 | Minor wear, runs strong |
| 90K-120K miles | $1,964.00 | Good condition, needs seals |
| 120K-150K miles | $1,800.00 | Functional, may need minor components |
| Mileage Range | Price | Condition |
|---|
Shipping Information:
Dimensions: Length 48"× Width 36"× Height 32"
Weight: 380 lbs
Shipping Options:
Standard shipping 5-7 business days
Expedited shipping are available for an extra cost
Frequently Asked Questions:
Q: Does this engine have Valvetronic?
A: The BMW 645Ci 4.4L Engine (2004-2005) doesn’t have Valvetronic. It offers strong, reliable power with classic design for a bold, high-performance ride.
Q: Are timing chain issues addressed?
A: The BMW 645Ci 4.4L Engine (2004-2005) is built to avoid common timing chain problems, giving you a smooth, powerful ride you can trust.
Q: Can I use this in a 650i?
A: The BMW 645Ci 4.4L Engine fits the 645Ci model and may not work properly in a 650i due to different engine setups. For the best performance, use an engine made for the 650i. Keep your ride powerful and reliable.
Ready to Order?
Order your BMW 645Ci 4.4L engine today! Complete plug-and-play solution for your E63/E64.
Tested, VIN-matched, and guaranteed
VIN-Verified Fit
We match the part to your vehicle's VIN and confirm exact fitment before we ship — so it fits the first time. Free cancellation within 24 hours.
Works on Arrival, Guaranteed
Every unit is tested before it ships. If it arrives defective, we replace it fast — and in the rare case we can't replace it, you get a full refund.
90-Day Warranty
A real parts-replacement warranty, included — with extended coverage available.
Heavy freight item, shipped fully insured and tracked. Freight is a flat $250 commercial / $400 residential, shown at checkout — no hidden fees, no freight-quote runaround.
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