N63B44B Engine Long Block

4.4 L gasoline engine for BMW and MINI

A brand-new replacement long block, shipped worldwide by NANXI POWER from Zhengzhou, China.

V8, direct injection
4.4 L
at 5500–6000 rpm
330 kW
at 2000–4500 rpm
650 N·m
Condition
Brand new
Warranty
12 months
Minimum order
1 unit
Lead time
7–30 days

Fits 550i, 550Li, 650i, 750i, 750Li and X5 xDrive50i and more, 2012–2019

Request a quoteWhatsApp

Or email info@nanxipower.com

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Engine assembly line at NANXI POWER
Engine assembly at NANXI POWER, Zhengzhou

What is the N63B44B engine?

The N63B44B is a 4.4 L gasoline engine used by BMW and MINI: a twin-turbocharged V8 with direct injection, a timing chain and an aluminium block.

NANXI POWER supplies it as a brand-new long block — the core engine you install with your existing intake, fuel and electrical parts.

Compression ratio
10.0:1
Bore × stroke
89 × 88.3 mm
Timing drive
Timing chain
Emission standard
Euro VI

Technical specifications

Engine

Engine code
N63B44B
Brand
BMW and MINI
Displacement
4.4 L
Layout
V-type 8-cylinder engine
Drive
Rear-wheel Drive, All-wheel Drive
Max power
330 kW at 5500–6000 rpm
Max torque
650 N·m at 2000–4500 rpm
Bore × stroke
89 × 88.3 mm
Compression ratio
10.0:1

Build and supply

Fuel
Gasoline
Fuel system
Direct Injection
Aspiration
Two-stage turbocharging
Timing
Timing chain + Double VANOS
Cylinder block
Aluminum Cylinder Block
Cylinder head
Aluminum Cylinder Head
Cooling
Water-Cooled
Emission standard
Euro VI
Production years
2012–2019
Condition
Brand new
Supply form
Engine long block
Packing
Non-fumigation wooden box

Which vehicles use the N63B44B?

The N63B44B was fitted to these vehicles (2012–2019). Versions differ by market, so we check every order against your VIN before it ships.

  • 550i
  • 550Li
  • 650i
  • 750i
  • 750Li
  • X5 xDrive50i
  • X6 xDrive50i

Confirm the fit in three steps

  1. Check the engine codeFind "N63B44B" stamped on the cylinder block or shown on the engine label.
  2. Send your VINThe 17-digit VIN tells us the model year and market version of your vehicle.
  3. Add a few photosPhotos of the old engine's front, intake side and oil pan help us match mounts and connectors.
Identification guide. The VIN and OE numbers shown are examples, not this engine's codes.

What's included in the long block

Included

  • Cylinder block
  • Crankshaft
  • Pistons
  • Connecting rods
  • Cylinder head
  • Valve train
  • Timing system
  • Valve cover
  • Oil pan

Available on request

  • Intake and exhaust manifolds
  • High-pressure fuel pump and injectors
  • Turbocharger and intercooler pipes
  • Ignition coils and sensors
  • Alternator, starter and A/C compressor
  • Gasket and installation kit

Need more than a long block? List the parts in your inquiry and we will quote them together.

Tested before it ships

12 month warranty

Every N63B44B is fully inspected before shipment and covered by a 12-month warranty written into your order. Before your engine leaves, you can ask for photos of:

  • The N63B44B engine code on the block
  • Cylinder head and timing cover
  • Oil pan and gearbox interface
  • Final packing in the wooden case
Engines inspected before shipment
100%
Engineering drawings
288+
Key fit clearances checked
155+
Process standards
637+

Packed for export, shipped worldwide

Each long block is sealed, fixed to a pallet and packed in a non-fumigation wooden case, so it clears customs without extra treatment. NANXI POWER branded or neutral packing is available.

Lead time
7–30 days
Minimum order
1 unit
Freight
Sea, air or land
Trade terms
EXW, FOB, CIF, DDP
Documents
Invoice and packing list

Common questions

Which vehicles use the N63B44B engine?

The N63B44B is used in the 550i, 550Li, 650i, 750i, 750Li, X5 xDrive50i and X6 xDrive50i, produced 2012 to 2019. Versions differ by market, so send your VIN and we will check the exact version for your vehicle.

What are the main specifications of the N63B44B?

4.4 L gasoline, V8, 330 kW at 5500–6000 rpm, 650 N·m at 2000–4500 rpm, timing chain, direct injection.

Is the N63B44B long block brand new or remanufactured?

It is supplied brand new. Every engine is inspected before shipment, and you can ask for photos before it leaves.

Is this N63B44B a complete engine or a long block?

It is a long block: the assembled cylinder block and cylinder head with the crankshaft, pistons, connecting rods, valve train and timing system. Intake, fuel-system and electrical parts can be added to your quotation.

What warranty comes with the N63B44B long block?

12 months. Coverage and conditions are written into your order.

Do I need to replace the timing chain when installing?

No. The long block is supplied with its timing chain already fitted. Fit new gaskets and check the cooling and fuel connections when you install it.

Can I order one engine, and how long does delivery take?

Yes, the minimum order is one unit. Orders usually ship within 7 to 30 days depending on quantity.

Which trade terms do you offer?

EXW, FOB, CIF and DDP. Tell us your destination port or address and we will quote the terms that suit your order.

About NANXI POWER

Zhengzhou Nanxi Engine Co., Ltd. has been in the engine business since 1998, supplying brand-new and remanufactured engines and long blocks to buyers in Russia, Central Asia, Africa, the Middle East, Europe and the Americas.

In the engine business since
1998
Engines supplied each year
50,000+

About usQuality and warrantyContact

Get a quote for the N63B44B

Tell us the quantity and destination. Add your VIN if you would like us to confirm the fit.

Prefer to talk directly? WhatsApp +86 138 3718 4958 info@nanxipower.com

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