BMW 550i xDrive Engine Replacement - Rebuilt & Reconditioned Units from £5,700
Compare BMW 550i xDrive replacement engine prices from trusted UK suppliers. Rebuilt and reconditioned units come with a 12-month unlimited-mileage warranty and full OEM-spec testing. Save up to 60% versus a main dealer quote.
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BMW 5 Series 550i xDrive Specialists
Expert Solutions for Every 5 Series 550i xDrive -Base to M Sport
Need a reliable replacement engine for your BMW 5 Series 550i xDrive?
Engine Finders specializes in N63B44 engines with solutions for common turbocharger and valve stem seal failures.
- ✔ 550i xDrive-Specific Engine Types - Addressing twin-turbo V8 N63B44 issues
- ✔ Precision-Tuned for xDrive System - Correct calibration for all-wheel drive performance
- ✔ 550i xDrive Pricing Advantage - Save up to £2,000 on common turbo replacement costs
BMW 5 Series 550i xDrive Replacement Engines Options - Verified Units (UK Supply)
All engines bench-tested, VAT-inclusive, with 12-month warranty. MoT-compliant. Nationwide delivery. Direct OEM fitment for F10, G30 chassis.
N63TU V8 engines rebuilt with updated turbocharger components.
Complete N63 engine rebuilds addressing common oil consumption issues.
Thorough inspection and restoration of high-performance V8 units.
Direct swap N63 engines for xDrive system compatibility.
Performance-tuned 4.4L twin-turbo V8 with updated fuel injectors.
Low-mileage N63 engines with verified service history and compression tests.
BMW 5 Series 550i xDrive Compatible Engine Codes - Average Prices on Rebuilt Units
All engines professionally reconditioned, bench-tested, and supplied with 12-month warranty. Direct OEM fitment. VAT-inclusive. Nationwide UK delivery.
Why Choose Engine Finders for Your BMW 5 Series 550i xDrive Engine?
Engine Finders connects UK drivers with vetted specialists for reliable, reconditioned BMW 5 Series 550i xDrive replacement engines. From the N63B44O0 twin-turbo V8 to the updated N63B44T0 variants, we understand the specific challenges of the 550i xDrive's powertrain. Whether you need a replacement due to common turbocharger failures in the N63 engine or oil consumption issues specific to the xDrive system, Engine Finders makes it easy to locate the right engine, fast.
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✔ 550i xDrive-Specific Turbocharger Solutions
We address the common turbo failure in N63 engines with upgraded cartridge assemblies specifically tested for the 550i xDrive's higher boost pressures and unique cooling requirements in the G30/G31 chassis.
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✔ N63 Valve Stem Seal Expertise
Our reconditioned engines include the latest generation valve stem seals that address the excessive oil consumption issues prevalent in 550i xDrive models from 2017-2020, with specific attention to the xDrive system's oil flow patterns.
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✔ Heat Exchanger System Upgrades
We install reinforced coolant transfer pipes (OEM 11537586927) and upgraded heat exchangers specifically for the 550i xDrive, preventing the common coolant leaks that can lead to hydro-lock in the N63 engine.
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✔ xDrive-Specific Oil System Modifications
Our engines feature modified oil pump chains (OEM 11418647815) and upgraded tensioners to handle the additional stress from the xDrive system's front differential, addressing a known failure point in high-mileage 550i xDrive models.
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✔ High-Pressure Fuel System Specialization
We test and replace high-pressure fuel pumps with units specifically calibrated for the 550i xDrive's power output, preventing the low-pressure fuel faults common in N63 engines under heavy load.
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✔ Transmission Integration Expertise
Our replacement engines include proper ZF 8HP transmission adaptation and mechatronic unit calibration specific to the 550i xDrive, ensuring smooth integration with your existing drivetrain components.
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✔ G30/G31 Chassis-Specific Mounting Solutions
We provide complete engine mounting kits (OEM 22116875509) specifically designed for the G30/G31 chassis, addressing the unique vibration characteristics and load requirements of the 550i xDrive's heavier V8 engine.
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✔ ECU - DME Programming Specialization
Our engines come with proper ISN coding and DME adaptation for the 550i xDrive's specific features including xDrive system integration, ensuring all electronic systems function correctly without dealership intervention.
Rated 4.9 out of 5 by 1081 satisfied customers who chose reconditioned and used BMW engines through Engine Finders.
Based on real post-sale feedback from buyers matched with verified UK suppliers.
BMW 5 Series 550i xDrive Engines for Sale | Engine Finders
Whether you need a replacement due to specific N63 twin-turbo V8 failures in the 550i xDrive or seeking upgraded performance, Engine Finders connects you with specialist suppliers for this high-performance luxury saloon. Source quality engines specifically for the 550i xDrive's unique all-wheel-drive configuration.
BMW 5 Series 550i xDrive Replacement Engines
The 550i xDrive (F10 chassis, 2010-2016) features BMW's N63 4.4L twin-turbo V8 engine, known for its "hot V" configuration where turbochargers sit between cylinder banks. Early N63B44O1 versions (2010-2013) suffered from valve stem seal degradation and turbocharger oil line failures. The updated N63B44T0 (2013-2016) addressed these issues with improved cooling and updated components. Common failure points include high-pressure fuel pump failures (part 13537585253), turbocharger wastegate rattle, and oil consumption exceeding 1L per 1,000km. BMW Service Bulletin SI B11 05 15 specifically addresses oil consumption concerns in early 550i xDrive models.
BMW 5 Series 550i xDrive Models - Engines Codes
The 550i xDrive utilizes specific V8 engine configurations across its production run with unique calibrations for the xDrive system:
- N63B44O1: 4.4L twin-turbo V8 (2010-2013) producing 407hp - known for valve stem seal and turbo oil line failures in early 550i xDrive models
- N63B44T0: Updated 4.4L twin-turbo V8 (2013-2016) with 449hp - features improved cooling and reliability upgrades specific to F10 chassis
- N63B44M0: Technical update version (2014-2016) with revised turbochargers and fuel injection system for 550i xDrive
Unlike the rear-wheel-drive 550i, the xDrive variant requires specific engine mounting brackets (22116775586) and different oil cooler configuration to accommodate the front differential.
Buy Used and Second-Hand BMW 5 Series 550i xDrive Engines
For 550i xDrive owners, we recommend reconditioned engines due to the N63's complex twin-turbo V8 design and known failure points. Each engine type offers different benefits for this specific model:
- Used Engines: Lower cost option but ensure they're from 2014+ models to avoid early N63 design flaws
- Reconditioned Engines: Ideal for 550i xDrive - include updated valve stem seals and turbo oil lines
- Remanufactured Units: Complete overhaul with all critical N63 components replaced for long-term reliability
All engines undergo specific testing for the 550i xDrive's unique cooling system requirements and turbocharger performance.
BMW 5 Series 550i xDrive Engines in Stock
Our specialist suppliers maintain comprehensive stock of 550i xDrive engines with all critical N63 components addressed during reconditioning:
- New valve stem seals to prevent oil consumption issues
- Updated turbocharger oil supply lines (11428637859) for reliability
- High-pressure fuel pump (13537585253) replacement on early models
- Complete timing chain system with updated guides and tensioners
- New engine mounts specific to xDrive configuration (22116775586)
Each engine undergoes dyno testing to verify proper turbocharger function and cooling system performance specific to 550i xDrive requirements.
Warranty for Replacement BMW 5 Series 550i xDrive Engines
Reconditioned 550i xDrive engines include comprehensive 12-month unlimited mileage warranty covering all major components:
- 12-month coverage on all internal engine components including turbochargers
- Labour coverage included with approved installation specialists
- Specific coverage for N63 common failure points including valve train and turbo system
- UK-wide network of BMW specialists for warranty claims
Engine Finders acts as a price comparison website connecting you with specialist suppliers. All warranties are provided by the individual engine suppliers and subject to their specific terms and conditions.
Expert Tips for Choosing the Right Engine for Your BMW 5 Series 550i xDrive
BMW 5 Series 550i xDrive Engine Types Explained
- Reconditioned N63B44 engines with updated valve stem seals
- Used low-mileage engines from F10/F11 chassis (2010-2017 models)
- TU (Technical Update) versions for 2014+ models with improved reliability
- Specialist rebuilt engines addressing twin-turbo heat management issues
BMW 5 Series 550i xDrive Replacement Engine Cost in the UK
- Reconditioned N63B44: £4,500-£5,800 including updated components
- Used engines (50-80k miles): £3,200-£4,200 depending on condition
- TU version premium: Additional £600-£900 for improved reliability
- Save 35-45% vs main dealer quotes through Engine Finders network
Finding the Right BMW 5 Series 550i xDrive Engine
- Verify N63B44 engine code (VIN positions 6-7 show "63" for 4.4L V8)
- Check production date: Pre-2014 vs post-2014 TU versions differ significantly
- Confirm xDrive compatibility - different oil pans and mounting points
- Ensure matching MEVD17.2.6 ECU calibration for proper integration
BMW 5 Series 550i xDrive Petrol vs Diesel Engines
- N63B44 twin-turbo V8 produces 407hp with unique hot-V configuration
- Average fuel consumption 22-26mpg due to xDrive all-wheel drive system
- Requires premium 98 RON fuel for optimal performance and reliability
- ULEZ compliant but higher road tax than diesel equivalents
Quality Assurance - Warranty
- 24-month unlimited mileage warranty on all reconditioned engines
- Compression testing: 12.5-13.5 bar across all 8 cylinders required
- Updated turbo coolant lines included in rebuild
- VANOS system recalibration specific to xDrive torque distribution
Compare - Save on BMW 5 Series 550i xDrive Engines
- Source from low-mileage US imports (same N63B44, different emissions)
- Consider rebuilt units with upgraded heat management components
- Verify turbocharger condition - common failure point in 550i xDrive
- Check for included updated high-pressure fuel pump (13-51-7-616-769)
BMW 5 Series 550i xDrive Engine Works: How Experts Rebuild Engines
When your N63B44 engine fails, BMW 5 Series 550i xDrive engine works can restore performance at a fraction of the cost of a brand-new engine. From diagnostics to rebuild, here's how experts ensure optimal results for the twin-turbo V8.
1. Comprehensive Diagnostics: Using ISTA/P diagnostic software to identify specific N63 failure patterns including turbo wastegate rattle, oil consumption from valve stem seals, and high-pressure fuel pump performance.
2. Engine Teardown - Inspection: Complete disassembly with focus on hot-V area components affected by heat saturation in the 550i xDrive's engine bay configuration.
3. Critical Component Replacement: Mandatory replacement of valve stem seals, turbo coolant lines, and updated vacuum pump components specific to xDrive models.
4. Precision Machining: Cylinder head resurfacing with specific torque sequence for aluminum block (25Nm + 90° + 90° using stretch bolts 11-12-0-392-784).
5. Assembly - Calibration: Reassembly using BMW-specific lubricants and VANOS system calibration for xDrive torque distribution requirements.
6. Testing - Validation: Dyno testing to verify 407hp output and check for boost leaks common in twin-turbo setups, followed by road testing for xDrive system integration.