N63 Engine Price range: $1,000.00 through $5,000.00Select options
N63 Engine
The BMW N63 Engine is a 4.4L twin-turbocharged V8 powering select BMW models from 2008–2021, including the 5 Series, 6 Series, 7 Series, X5, and X6. Delivering 400–617 hp and 450–750 Nm torque, it pairs with automatic transmissions like the ZF 8HP for smooth, high-performance driving. Designed with direct injection and variable valve timing, the N63 combines power, efficiency, and refinement. Each engine is tested, used, and verified for OEM fitment, ensuring reliable replacement for your BMW. Backed by a warranty, this engine is ideal for enthusiasts seeking performance and longevity.
30 in stock
$1,000.00 – $5,000.00Price range: $1,000.00 through $5,000.00
The prices are exclusive of taxes and shipping. The price may vary depending upon the miles and year of manufacturing.
SKU: BMW-N63-002
Category: Used Engine
Tags: BMW 550i Engine, BMW 750i Engine, BMW N63 V8 Engine, N63 Twin Turbo Replacement, Used N63 Engine
Brand: BMW
Additional Information
| Brand | BMW |
|---|---|
| Conditions | Remanufactured, Used |
| Miles | 70000-130000 |
| Year Compatibility | 2008-2025 |
| Verified | Tried & Tested |
| Warranty | Up to 3 Months |
What we offer
- High-Quality Product
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- Upto 90 Days of Warranty
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Specifications
The BMW N63 Engine is a flagship twin-turbo V8 that defined BMW’s performance luxury lineup for over a decade. Renowned for its impressive horsepower, torque delivery, and smooth driving experience, the N63 powered sedans, coupes, and SUVs with dynamic efficiency. Equipped with Valvetronic, TwinScroll Turbo, and direct injection, this engine delivers both thrilling acceleration and refined cruising, making it a trusted replacement option for enthusiasts and owners alike.
Engine Variants
N63B44O0 (Original)
The N63B44O0 was the original version of BMW’s N63 4.4-liter twin-turbocharged V8, introduced in 2008. Producing around 400–407 hp, it powered early 5, 6, and 7 Series models as well as the X5 and X6. While powerful and advanced for its time, this version became known for significant oil consumption, timing-chain wear, and valve-stem-seal problems.
N63B44O1 (TU)
The N63B44O1, known as the Technical Update (TU), was introduced around 2013 with major revisions aimed at improving performance, efficiency, and reliability. Output increased to approximately 445 hp, while updates included Valvetronic variable valve lift, forged pistons, upgraded fuel injectors, and revised engine management. These changes addressed several of the weaknesses associated with the original N63.
N63B44O2 (TU2)
The N63B44O2, or TU2, represented another substantial development of the N63 and was introduced from around 2016. Producing roughly 456 hp, it featured revised turbocharger positioning, larger intercoolers, and improved thermal management. These changes were designed to improve cooling, efficiency, and durability, particularly in larger luxury models such as the G11 7 Series.
N63B44M3 / N63B44T3 (TU3)
The N63B44M3 and N63B44T3 form part of the TU3 generation and represent the most advanced and powerful evolution of the N63 platform. Depending on application, outputs range from approximately 456 hp to over 500 hp, with the T3 reaching around 523 hp. The engines feature further-developed turbocharging, higher-pressure direct injection, and optimized thermal management, powering models such as the M550i, M850i, and X5/X6/X7 M50i.
Frequently Asked Questions
Which BMW models use the N63 Engine?
The N63 powers select 5 Series, 6 Series, 7 Series, X5, and X6 models from 2008–2021.
Are these N63 engines new or used?
All engines are tested used units, verified for OEM fitment and reliability.
What kind of performance can I expect?
Depending on year and variant, 400–617 hp and 450–750 Nm torque, offering strong acceleration and smooth power delivery.
Does the N63 engine come with a warranty?
Yes, each N63 engine includes a warranty, ensuring peace of mind for replacements.
Are these engines compatible with all trims?
They fit OEM-specific trims like 550i, 650i, 750i, X5 xDrive50i, and X6 xDrive50i; compatibility depends on year and transmission type.
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