Used OEM Part · Tested

BMW 650i (4.4L twin turbo), AWD 4.4L Engine (2012)

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Unit Condition & Specs
AvailabilityIn stock — ready to ship
55% OFF $12,078.00
$5,490.00
Mileage
✓ Flat-rate freight — insured & tracked ·✓ 90-day warranty included· freight shown at checkout: $250 commercial / $400 residential
Ships within 3 - 5 business days Approx - flat-rate freight, tracked & insured Most orders arrive 5–7 business days after dispatch (US). You get tracking the moment it ships.
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🛡90-Day WarrantyParts replacement
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  2. 2We verify exact fitment for your vehicle
  3. 3Flat freight shown up front — no surprises
  4. 490-day warranty included on every part
  5. 5We photograph & confirm the unit before it ships
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Part details

About this part

Bring Back Your 2012 BMW 650i xDrive’s Performance with a 4.4L Twin-Turbo V8 Engine

Bring back the brutal acceleration and refined power delivery of your BMW 650i xDrive with our OEM-certified N63 4.4L Twin-Turbo V8 engine. 

Engine Specifications:

Category Details
Displacement 4.4L V8
Engine Code N63B44O0
Horsepower 400 HP
Torque 450 lb-ft
Fuel System Direct Injection
Valvetrain DOHC, Double VANOS, Valvetronic
Block Material Aluminium block & heads
Fuel Requirement Premium 91+ Octane
 

Compatibility:

2012 BMW 650i xDrive (F06/F12/F13)

AWD (xDrive) models only

VIN 8th digit = N63 engine code

Original N63 engine badge

Pricing Options:

Mileage Range Price Condition
30K–60K miles $6,240.00 Like-new, minimal wear
60K–90K miles  $5,847.40 Strong runner, minor wear
90K–120K miles  $5,161.00 Good, may need gaskets/seals
120K-150K miles  $4,680.00 Functional, needs inspection
 

Shipping Information:

Dimensions: 50" (L) × 38" (W) × 34" (H)

Weight: 470 lbs 

Shipping Options:

Standard shipping 5–7 business days

Expedited shipping are available for an extra cost

Frequently Asked Questions?

Q: Does this engine fix common N63 issues like overheating & oil leaks?

A: The BMW 650i (4.4L twin turbo), AWD 4.4L Engine (2012) offers powerful performance, but it does not guarantee a fix for common N63 issues like overheating or oil leaks. These problems often require additional preventative measures or repairs beyond just engine replacement.

Q: Can I use this engine in a RWD 650i?

A: These xDrive-specific parts are essential for proper fitment and operation in all-wheel-drive applications, and are not interchangeable with RWD variants.

Q: Are the turbos included?

A: The BMW 650i (4.4L twin turbo), AWD 4.4L Engine for 2012 does not include turbos. This engine is sold as a complete unit without the turbochargers, so plan accordingly if you’re upgrading or replacing critical components.

Ready to Order?

Restore your BMW 650i xDrive’s performance today! 

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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.

Real photos of the exact unitWhat you see is what ships
A-grade OEM, testedVerified specs, not estimated
VIN-matched to your vehicleConfirmed before dispatch
Shipping & delivery

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.

1Ships within 3 - 5 business days ApproxCarefully packed & dispatched from our US warehouse
2Freight to your doorBrought to your door
3Delivered in 5–7 business daysTracked & insured · tracking sent when it ships
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