BMW N63B44 Engine for Sale – Performance and Reliability
Need a high-performing replacement engine for your BMW? You’re in the right place—our BMW N63B44 engines for sale offer the perfect blend of performance, reliability, and affordability. Whether you’re restoring the original kick of your car or upgrading to deliver more horsepower, we offer top-quality used and rebuilt N63B44 engines that won’t let you down.
In this comprehensive blog post, we’re going to cover everything there is to say about the BMW N63B44 engine, its applications, specifications, most common problems, and most importantly, why you should buy your next engine from us. BMW N63B44 Engine For Sale
Table of Contents
- Overview of the BMW N63B44 Engine
- Key Features and Technical Specifications
- BMW Models Fitted with the N63B44
- Common Issues and Reliability
- Why Buy a BMW N63B44 Engine from Us?
- Our Engine Testing and Quality Assurance Process
- Used vs Rebuilt N63B44 Engines
- Shipping, Warranty, and Support
- How to Order Your BMW N63B44 Engine
- Final Thoughts BMW N63B44 Engine For Sale
1. BMW N63B44 Engine Overview
The BMW N63B44 is a twin-turbo V8 4.4-liter engine introduced in 2008. It was one of BMW’s first mass-produced engines with a “hot-vee” design, having the turbochargers positioned between the banks of cylinders. This more compact layout improves throttle response and efficiency of the turbochargers.
This engine served as the foundation for BMW’s current performance V8 lineup and has powered a line of performance luxury sedans and SUVs with the BMW 50i label and the M Performance line. BMW N63B44 Engine For Sale
2. Key Features and Technical Specifications
The N63B44 has been revamped multiple times since its launch, but the following are the key specs of the original and revised models: BMW N63B44 Engine For Sale
Base Engine Specifications:
- Engine Code: N63B44
- Displacement: 4.4 liters (4395cc)
- Configuration: V8
- Turbochargers: Twin turbo (hot-vee design)
- Fuel System: Direct injection
- Valvetrain: DOHC, 32-valve, VANOS, and Valvetronic
- Horsepower: 402 to 523 hp (variant and model dependent)
- Torque: Up to 553 lb-ft
The N63B44 engines are famous for providing smooth torque, overwhelming acceleration, and a world-class driving experience. If well-maintained, the N63B44 can offer thrilling performance for hundreds of thousands of miles. BMW N63B44 Engine For Sale
3. BMW Models Equipped with the N63B44
The N63B44 engine has served many iconic BMW models from the late 2000s to the 2020s. If you own any of the following, chances are you have an N63 engine in your vehicle:
- BMW 550i (F10, G30)
- BMW 650i (F06, F12, F13)
- BMW 750i / 750Li (F01, G11)
- BMW X5 xDrive50i (E70, F15, G05)
- BMW X6 xDrive50i (E71, F16, G06)
- BMW M550i xDrive
- BMW 750i xDrive
Our inventory includes engines that can accommodate all of these models, and our experts can help you match the exact engine you need for your specific vehicle. BMW N63B44 Engine For Sale
4. Reliability and Common Issues
As with most high-performance engines, the BMW N63B44 did have its share of early reliability problems, particularly with older models before factory revisions. BMW N63B44 Engine For Sale
Common Issues Are:
- Valve stem seal failure – causes smoking and oil consumption
- Timing chain stretch – creates poor performance and engine misfire
- High-pressure fuel pump (HPFP) issues
- Oil and coolant leaks
- Carbon buildup on intake valves
We only buy and sell those engines that have been professionally inspected, tested, and, where necessary, rebuilt to remove these issues. Later models of the N63 already have most of these issues removed from them, and rebuilt engines might come with enhanced components to prevent reoccurrence. BMW N63B44 Engine For Sale
5. Why Buy a BMW N63B44 Engine from Us?
When you purchase an N63B44 engine from us, you are not only buying an engine—you are buying peace of mind, power, and expert support.
Here’s What Sets Us Apart:
✅ High-quality rebuilt and used engines
✅ Low-mileage engine choices
✅ Complete engine assemblies available
✅ Extensive testing before shipping
✅ Warranty for all types of engines
✅ Fast, worldwide shipping
✅ Expert customer service and support
6. Our Engine Testing and Quality Assurance Process
Every BMW N63B44 engine we sell undergoes a comprehensive multi-point examination process to ensure reliability: BMW N63B44 Engine For Sale
- Compression and leak-down tests
- Oil and coolant examination
- Timing and valvetrain inspection
- Turbocharger and fuel system inspection
- Visual inspection for leaks, cracks, or damage
Rebuilt engines are completely disassembled, cleaned, machined, and reinstalled with OEM or better quality parts, ensuring like-new performance and added longevity.
7. Rebuilt vs. Used BMW N63B44 Engines
We can offer rebuilt and used N63B44 engines according to your budget and preference.
Used N63B44 Engines:
- Less expensive
- Tested and warrantied
- Best suited for budget customers
- Typically have miles ranging from 40,000 to 90,000 miles BMW N63B44 Engine For Sale
Rebuilt N63B44 Engines:
- Fully remanufactured
- New or overhauled components
- More durable than factory spec
- Expensive initially but longer lifespan
Let us help you decide which one is best suited for your car and budget.
8. Shipping, Warranty, and Support
Shipping:
We deliver worldwide with tracking and insurance. All the engines are packed carefully to prevent any kind of damage during shipping.
Warranty:
- Used Engines – Start-up warranty for 30 to 90 days
- Rebuilt Engines – Limited warranty up to 12 months
All the warranties provide coverage for internal components and labor support on eligible claims. Terms may vary depending on your location and engine model.
Support:
Our trained staff is on hand to help with engine compatibility, fitting instructions, and after-sales support. We sell direct to individual customers, workshops, and resellers globally.
9. Buying Your BMW N63B44 Engine
Ready to get your BMW back on the road with power and precision? Buying your BMW N63B44 engine from us is simple:
- Contact us through our website, email, or phone with your vehicle VIN and details.
- Choose between used or rebuilt engine options.
- Receive a quote with all pricing, shipping, and warranty details. BMW N63B44 Engine For Sale
- Confirm your order and we’ll crate and ship your engine fast. BMW N63B44 Engine For Sale
We accept all major payment methods and offer invoicing for businesses. BMW N63B44 Engine For Sale
10. Final Thoughts
The BMW N63B44 twin-turbo V8 engine is a powerhouse that brings thrilling performance to your luxury sedan or SUV. If your current engine is failing—or has failed already—it isn’t the end of the road.
Our BMW N63B44 engines for sale offer thoroughly tested, low-mileage, and fully rebuilt units to meet every budget and requirement. Whether you’re a do-it-yourself enthusiast, a repair shop looking for more stock, or just a BMW fan, we have the engine that will breathe new life into your vehicle.
Power Up Your BMW Today—Don’t Wait!
Browse our selection or contact us today to order your BMW N63B44 engine. Quality-tested and ready to ship, your new performance V8 awaits. BMW N63B44 Engine For Sale