BMW N63B44 Engine for Sale – V8 Performance at Its Best to Call Your Own

When you require a strong, reliable, and performance-based V8 engine, the BMW N63B44 engine for sale is the best option. The N63B44 engine, with its twin turbocharged configuration and colossal output, has powered some of the best-performing luxury and sport vehicles from BMW. Whether you need to replace a worn-out engine, perform an upgrade for performance, or embark on a custom project, our high-quality reconditioned and used BMW N63B44 engines are poised to deliver the performance you require.

In this detailed guide, we’ll discuss everything you may want to know about the BMW N63B44 engine, from specifications and applications to performance traits and why buying your N63B44 engine from us is the best choice.

What Is the BMW N63B44 Engine?

The BMW N63B44 is a 4.4-liter V8 twin-turbo petrol engine produced by BMW. It first appeared in 2008 and is BMW’s step towards efficient yet high-performance engines, with advanced technology such as direct injection, variable valve timing (VANOS), and an innovative “hot-vee” turbocharger configuration.

Compared to traditional engines, where turbos sit outside the engine’s “V,” the N63 places its turbos in the valley between cylinder banks. This minimizes air paths, turbo response times, and thermal efficiency. The reward? Blistering power delivery and unusually sensitive throttle response for a V8.

Key Features and Specs of the N63B44 Engine

The following are the detailed key specifications and most intriguing features of the BMW N63B44 engine:

Engine Specifications:

Engine Code: N63B44
Displacement: 4.4 liters (4395 cc)
Configuration: V8, 90-degree
Induction: Twin-turbocharged
Fuel System: Direct injection
Valvetrain: DOHC with VANOS & Valvetronic
Compression Ratio: 10.0:1
Power Output: Varies from 402 hp to 523 hp (model-dependent)
Torque Output: Up to 553 lb-ft (750 Nm)
Redline: ~7,000 RPM
Materials: Aluminum block and head

Vehicles That Use the BMW N63B44 Engine

The BMW N63B44 engine has been used in a variety of luxury sedans, performance coupes, and SUVs. It’s a beast that beautifully combines speed, smoothness, and daily driveability. Some of the vehicles it can be found in are:

BMW Models with the N63B44 Engine:

BMW 550i (F10, G30)
BMW 650i (F12, F13)
BMW 750i / 750Li (F01, G11)
BMW X5 xDrive50i (F15)
BMW X6 xDrive50i (F16)
BMW M550i xDrive
Alpina B6 and B7

This makes the N63B44 a high-performance engine platform for driving enthusiasts, BMW luxury vehicle owners, and engine swappers alike.

Performance You Can Feel

When you hit a car with a BMW N63B44 engine, you are rewarded with linear power delivery, instant turbo spool-up, and a V8 rumble. Due to its twin-scroll turbos and beautifully designed internals, the engine is able to produce massive torque at low RPM, which is translated into breathtaking acceleration and incredible mid-range traction.

Performance Highlights:

Launches luxury sedans 0–60 mph in less than 5 seconds
Pulls effortlessly even when loaded to the brim with passengers/cargo
Smooth, consistent torque curve
Can be tuned for even more performance (ECU remaps, downpipes, etc.)

Cruising around town or pushing it on the highway, the N63B44 driving experience is quintessentially BMW: sporty, but refined.

Why Purchase a Used BMW N63B44 Engine?

Let’s be honest: buying a brand-new OEM engine from the dealership can cost a small fortune. That’s why many smart buyers opt for a used or reconditioned BMW N63B44 engine instead. You’ll get the same powerful performance at a fraction of the price.

Advantages of Buying a Used/Reconditioned N63B44 Engine:

Cost Savings: Avoid dealership markups and save thousands
OEM Quality: Get a genuine BMW engine with no knockoffs
Tested and Inspected: Our engines are thoroughly inspected and compression tested
Low Mileage Options: Low-mileage engines from donor vehicles, warehoused by us
Warranty Options: Peace of mind protection available

When you buy from us, you’re not only buying an engine—you’re buying long-term reliability and peace-of-mind.

Our BMW N63B44 Engines – What You Get

We are happy to offer a wide variety of BMW N63B44 engines for sale, all sourced from reputable suppliers and comprehensively tested to ensure they adhere to high quality and performance standards.

Engine Condition Options:

Used Engines: Taken from donor vehicles, inspected and cleaned
Reconditioned/Remanufactured: Completely rebuilt with new gaskets, seals, bearings, and more

What’s Included:

Complete engine long block
Twin turbochargers (on most units)
Valve covers, timing covers, oil pan
Optional add-ons like injectors, sensors, etc. (subject to supply)

Should you be unsure of what parts you need, our staff is more than happy to walk you through the options and help you choose the right engine for your swap or replacement build.

Applications for Swaps and Builds

The N63B44 is also a popular engine for engine swaps and custom builds. Whether you’re installing it into another BMW chassis, a classic car, or even a completely custom project, this engine offers immense performance potential in a compact package.

Swap Ideas:

BMW E30, E36, or E46 chassis
Classic 5 Series builds
Custom hot rods and performance sedans
Drift or track car projects

With modification and the right mounts, this V8 can turn almost any car into a street monster.

Known Issues & What We Do to Prevent Them

Like many newer turbocharged engines, there have been some reliability concerns with the N63B44 in the past. Early engines were beset by timing chains, valve stem seal, and oil consumption problems. Newer engines and properly maintained engines are much more reliable, however.

What We Do:

Thorough multi-point inspection before sale
Leakdown and compression tests
Replace worn seals and gaskets as needed
Add service history (where applicable)

We’re proud to offer engines you can trust—not just because they’re powerful, but because they’re dependable.

Shipping & Delivery – Fast, Secure, and Worldwide

We understand that when you need an engine, you need it fast. That’s why we offer:

Fast Nationwide Shipping: Fast delivery across the U.S.
International Shipping Available: We ship globally
Secure Packaging: Engines are strapped and secured to reduce damage
Tracking Provided: You’ll know exactly where your engine is

Need a liftgate or shop delivery? We’ve got you covered.

Why Choose Us?

There are lots of websites online that you can buy engines from—but not all sellers are created equal. Here’s why we’re different:

✅ Trusted Experience
We’ve been selling quality engines for years, with a history of satisfied customers across the country.

✅ Quality Assurance
Our engines are all tested, cleaned, and ready to install. No graveyard pull, no surprises.

✅ Support with a Smile
We’ve got your back—before, during, and after the sale. Questions about which N63 engine is best for you? Call us. We’ll walk you through it.

✅ Warranty Options
We offer warranty coverage on most of our engines for your added protection.

Buy Your BMW N63B44 Engine Today

Do not waste time and money searching around for an engine that might or might not meet your needs. When you buy a BMW N63B44 engine for sale from us, you are buying a quality-inspected product with expert support and shipping across the country.

Ready to Purchase?

Shop our current inventory of N63B44 engines or receive a quote directly from us. We will have you flying with the precise engine you require—fast.

Final Thoughts

The BMW N63B44 is a modern marvel of engineering—combining the brute power of a twin-turbo V8 with the refinement of a luxury engine. Whether you’re looking to replace your existing engine or upgrade to something with more muscle, our inventory of BMW N63B44 engines for sale is ready for action.

Call us today and let us turn your dream into reality with a high-performance N63B44 engine that will never let you down.

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N63B44 twin turbo engine

BMW N63B44 Engine For Sale