BMW 750Li xDrive Engine Replacement - Compare Vetted UK Supplier Quotes

Compare BMW 750Li 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 7 Series 750Li xDrive Specialists

Expert Solutions for Every 750Li xDrive - 750Li to 750Li M Sport

Need a reliable replacement engine for your BMW 7 Series 750Li xDrive?
Engine Finders specializes in 750Li xDrive engines with solutions for common N63 twin-turbo failures.

  • ✔ 750Li xDrive-Specific Engine Types - Addressing N63 twin-turbo issues in G11/G12 variants
  • ✔ Precision-Tuned for 750Li xDrive - Correct calibration for xDrive all-wheel drive system
  • ✔ 750Li xDrive Pricing Advantage - Save up to £3000 on common N63 engine rebuilds
Find Your Perfect BMW 7 Series 750Li xDrive Engine Today!
BMW 7 Series 750Li xDrive engine replacement specialists | Engine Finders

BMW 7 Series 750Li 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 G11/G12.

BMW 7 Series 750Li xDrive Rebuilt Engines

Includes reinforced N63 twin-turbo components for enhanced durability.

BMW 7 Series 750Li xDrive Remanufactured Engines

Factory-spec restoration with upgraded N63 engine management systems.

BMW 7 Series 750Li xDrive Reconditioned Engines

Thoroughly tested N63 units with verified xDrive compatibility.

BMW 7 Series 750Li xDrive Replacement Engines

Direct OEM fitment for G11/G12 with integrated xDrive management.

BMW 7 Series 750Li xDrive Refurbished Engines

Performance-tuned N63 engines with enhanced cooling for 750Li xDrive.

BMW 7 Series 750Li xDrive Used Engines

Verified low-mileage N63 units with complete service history.

BMW 7 Series 750Li 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.

Where to buy BMW 7 Series 750Li xDrive replacement engine | Engine Finders

Why Choose Engine Finders for Your BMW 7 Series 750Li xDrive Engine?

Engine Finders connects UK drivers with vetted specialists for reliable, reconditioned BMW 7 Series 750Li xDrive replacement engines. From the N63B44T3 twin-turbo V8 to the S63B44T4 high-performance variants, we specialize in the specific powertrains found in your 7 Series 750Li xDrive. Whether you need a replacement due to specific VANOS solenoid failures in the N63B44T3 7 Series 750Li xDrive or oil pump issues, Engine Finders makes it easy to locate the right engine, fast.

  • ✔ 7 Series 750Li xDrive-Specific VANOS Solenoid Solutions: We replace the N63B44T3 VANOS solenoids with upgraded components known to fail in 7 Series 750Li xDrive from 2015-2018

    The N63B44T3 engine in 7 Series 750Li xDrive has specific VANOS timing issues due to the unique ECU calibration for luxury driving characteristics. Our reconditioned engines include upgraded solenoids with reinforced seals that address the oil pressure fluctuations specific to 7 Series 750Li xDrive applications.

  • ✔ 7 Series 750Li xDrive Turbocharger Expertise: Our reconditioned engines include reinforced twin-turbo systems specifically for the N63B44T3's unique boost management in 7 Series 750Li xDrive

    The N63B44T3 in 7 Series 750Li xDrive operates with different turbocharger duty cycles compared to other BMW variants due to the vehicle's weight and luxury positioning. We install upgraded turbo bearing assemblies with enhanced cooling systems designed specifically for 7 Series 750Li xDrive's consistent high-load scenarios.

  • ✔ 7 Series 750Li xDrive Oil Pump Replacement: We upgrade the high-pressure fuel pump with reinforced internals specific to N63B44T3 high-pressure demands

    The 7 Series 750Li xDrive N63B44T3 engine experiences unique oil pump wear patterns due to the vehicle's consistent highway cruising and stop-start traffic conditions. Our specialists install upgraded pump internals with enhanced metallurgy that addresses the specific pressure fluctuations in 7 Series 750Li xDrive applications.

  • ✔ 7 Series 750Li xDrive Cooling System Optimization: We include upgraded thermostat housings designed for the N63B44T3's unique heat management in luxury sedan applications

    The cooling demands of the N63B44T3 in 7 Series 750Li xDrive differ significantly from other BMW models due to the vehicle's weight and climate control system integration. Our reconditioned engines feature upgraded thermostat components with improved flow characteristics specifically calibrated for 7 Series 750Li xDrive's thermal management requirements.

  • ✔ 7 Series 750Li xDrive Intake Manifold Solutions: We replace intake manifold runners (OEM 11617562316) with reinforced versions addressing carbon buildup specific to 7 Series 750Li xDrive driving patterns

    The N63B44T3 in 7 Series 750Li xDrive experiences unique intake carbon buildup due to the vehicle's frequent low-speed driving and consistent use of start-stop technology. Our specialists install upgraded intake components with improved flow characteristics and enhanced carbon resistance specifically for 7 Series 750Li xDrive applications.

  • ✔ 7 Series 750Li xDrive Fuel System Enhancement: We upgrade fuel injectors (OEM 11617562320) with precision components designed for N63B44T3 high-pressure direct injection

    The fuel injection system in 7 Series 750Li xDrive N63B44T3 requires specific injector calibration due to the engine's high-pressure fuel system and luxury vehicle fuel quality variations. Our reconditioned engines include upgraded injectors with enhanced sealing and improved spray patterns specifically optimized for 7 Series 750Li xDrive performance requirements.

  • ✔ 7 Series 750Li xDrive ECU Integration: We provide pre-programmed engine control units with updated firmware specific to 7 Series 750Li xDrive chassis codes and luxury features

    The ECU mapping in 7 Series 750Li xDrive N63B44T3 integrates with the vehicle's comfort and luxury systems differently than other BMW variants. Our specialists provide pre-programmed ECUs with updated software that ensures seamless integration with 7 Series 750Li xDrive's air suspension, climate control, and start-stop systems.

  • ✔ 7 Series 750Li xDrive Mounting System Compatibility: We include upgraded engine mounts (OEM 11817558815) designed for the specific weight distribution and vibration characteristics

    The engine mounting requirements for 7 Series 750Li xDrive differ significantly from other BMW models due to the vehicle's luxury positioning and weight distribution. Our reconditioned engines come with upgraded mounts specifically designed to handle the N63B44T3's torque characteristics and 7 Series 750Li xDrive's premium ride quality requirements.

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.

4.9/5
"Thanks to Engine Finders, I saved over £1,200 on my engine!" - Jimmy, London
"Got three quotes within an hour and chose the best deal easily." - Pete, Leeds
"Engine Finders made the whole process quick and painless." - Tom, Manchester
"Wasn't sure what I needed, but their team helped every step of the way." - Sophie, Birmingham
"Fast turnaround and excellent aftercare, highly recommend Engine Finders." - Ahmed, Bradford
"Best car-related experience I've had in years. Awesome guys, honestly!." - Liam, London

BMW 7 Series 750Li xDrive Engines for Sale | Engine Finders

Find premium replacement engines for your BMW 7 Series 750Li xDrive. Whether you need a replacement due to specific N63 twin-turbo failures in the 750Li xDrive or VANOS issues, we connect you with verified UK suppliers specializing in G11/G12 engines.

BMW 7 Series 750Li xDrive Replacement Engines

The BMW 7 Series 750Li xDrive (G11/G12) was produced from 2015-2019, featuring the high-performance N63 twin-turbo V8 engine. The 750Li xDrive was specifically engineered with enhanced cooling systems and xDrive all-wheel drive calibration. Common failure points include twin-turbocharger issues, VANOS solenoid failures (OEM part 11347585994), and oil consumption problems due to high-performance demands.

BMW 7 Series 750Li xDrive Models & Engines Codes

The 750Li xDrive features specific engine codes optimized for its high-performance demands and xDrive system integration. These engines were calibrated differently from other 7 Series variants to handle the additional power requirements and all-wheel drive system.

  • N63B44T3: 4.4L twin-turbo V8 petrol (G11/G12, 2015-2019) - Specific to 750Li xDrive with enhanced cooling for xDrive system
  • N63B44T4: 4.4L twin-turbo V8 petrol (G11/G12, 2019-2022) - Updated version with improved turbocharger management
  • N63B40: 4.0L twin-turbo V8 petrol (G11/G12, 2015-2019) - High-performance variant with specific VANOS calibration
  • B58B30: 3.0L twin-turbo inline-6 petrol (G11/G12, 2018-2022) - M Performance variant with xDrive-specific tuning
  • S63B44T4: 4.4L twin-turbo V8 petrol (G12, 2018-2022) - M760Li xDrive variant with unique ECU programming

Each engine code in the 750Li xDrive has specific failure patterns different from other BMW models due to the performance-oriented tuning and xDrive system integration. The N63 engines in the 750Li xDrive were specifically calibrated for the vehicle's weight distribution and all-wheel drive system.

Buy Used and Second-Hand BMW 7 Series 750Li xDrive Engines

For 750Li xDrive owners, we offer multiple engine options including used, reconditioned, rebuilt, and remanufactured N63 engines. Each type addresses specific needs of the high-performance 750Li xDrive powertrain.

  • Used engines: Tested N63 units with verified mileage for budget-conscious 750Li xDrive owners
  • Reconditioned engines: Thoroughly inspected N63 blocks with updated components for xDrive compatibility
  • Rebuilt engines: Complete N63 engine rebuilds with reinforced turbocharger components for 750Li xDrive
  • Remanufactured engines: Factory-spec N63 engines with updated parts addressing known 750Li xDrive issues

All 750Li xDrive engines undergo comprehensive testing to ensure xDrive system compatibility and proper integration with the vehicle's sophisticated all-wheel drive management.

BMW 7 Series 750Li xDrive Engines in Stock

Our reconditioned 750Li xDrive engines include comprehensive component updates specifically addressing common N63 failures in the G11/G12 platform.

  • New N63 twin-turbochargers with reinforced bearings for 750Li xDrive performance demands
  • Updated VANOS solenoids specifically calibrated for 750Li xDrive timing
  • Enhanced cooling system components compatible with xDrive system requirements
  • Reinforced engine mounts designed for 750Li xDrive's power output
  • Updated ECU programming for xDrive all-wheel drive integration

Each 750Li xDrive engine is bench-tested for xDrive system compatibility and performance verification before delivery to ensure seamless integration with the all-wheel drive system.

Warranty for Replacement BMW 7 Series 750Li xDrive Engines

All 750Li xDrive replacement engines come with a comprehensive 12-month warranty covering manufacturing defects and performance issues specific to the N63 engine configuration.

  • 12-month warranty on all rebuilt and reconditioned 750Li xDrive engines
  • Extended warranty options available for N63 twin-turbocharger components
  • Coverage includes xDrive system integration and engine management compatibility
  • N63-specific components like VANOS units covered under warranty

Please note that Engine Finders is a price comparison website. Warranty terms and conditions are provided by individual suppliers. Please discuss specific warranty coverage directly with your chosen supplier.

Where to buy BMW 7 Series 750Li xDrive replacement engine | Engine Finders

Expert Tips for Choosing the Right Engine for Your BMW 7 Series 750Li xDrive

BMW 7 Series 750Li xDrivexDrive Engine Types Explained

  • Reconditioned N63B44T0 (2016-2019) includes updated timing chains
  • Used S63B44T4 engines lack M-specific oil cooling upgrades - avoid for F01 M Sport models
  • New crate engines rare; rebuilt units with OEM-spec B58B30M2 blocks preferred for LCI G11/G12
  • Hybrid-compatible B58B30M2 (2020-2022) requires 48V system sync - only choose UK-rebuilt with validation

BMW 7 Series 750Li xDrive Replacement Engine Cost in the UK

  • N63B44O0 (F01, 2013-2015): £5,700 - includes HPFP and VANOS solenoid replacement
  • N63B44T0 (G11, 2016-2019): £5,750 - higher due to carbon cleaning and updated PCV valves
  • B58B30M2 (LCI, 2020-2022): £6,100 - premium for 48V mild-hybrid integration
  • Save £800+ vs main dealer with Engine Finders’ direct-fit, warranty-backed units

Finding the Right BMW 7 Series 750Li xDrive Engine

  • Check VIN: 750Li xDrive engines start with “N63” or “B58” - never “N55” or “B48”
  • F01/F02 chassis (2013-2015) use N63B44O0; G11/G12 (2016-2022) use T0/T2 variants
  • LCI models (2020+) require B58B30M2 with integrated starter-generator compatibility
  • Avoid “universal fit” claims - 750Li xDrive needs xDrive-specific engine mounts and DME sync

BMW 7 Series 750Li xDrive Petrol vs Diesel Engines

  • All 750Li xDrive models are petrol - no diesel option exists for this variant
  • N63 V8 (2013-2019) offers 450hp but higher fuel use; B58 I6 (2020+) more efficient
  • ULEZ-compliant from 2016 (Euro 6); pre-2016 F01 models face daily charges in London
  • For motorway driving, N63’s torque suits xDrive AWD; city drivers benefit from B58’s mild-hybrid

Quality Assurance & Warranty

  • All N63 rebuilds include tensioner 11347585994 and updated chain rails per BMW TSB
  • B58 units feature new Valvetronic motor (11348512009) and decoked intake manifolds
  • 12-month warranty covers xDrive torque converter compatibility and DME communication
  • Bench-tested to 3,000 RPM with oil pressure logged - no “as-is” engines supplied

Compare & Save on BMW 7 Series 750Li xDrive Engines

  • Avoid sellers offering “N63B44” without T0/T2 suffix - wrong for G11/G12 750Li xDrive
  • Insist on proof of HPFP (13518642110) replacement - common failure in UK stop-start driving
  • Engine Finders includes xDrive-specific calibration - saves £400+ on post-install coding
  • Free nationwide delivery + 14-day return if engine doesn’t match your 750Li xDrive VIN

BMW 7 Series 750Li xDrive Engine Works: How Experts Rebuild Engines

When your engine fails, BMW 7 Series 750Li 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.

1. Full Disassembly & Inspection: N63/B58 blocks are stripped using BMW tool set 88 88 0 142. Crankshaft journals measured to 0.01mm tolerance; cylinder bores checked for scoring specific to 750Li xDrive high-load duty cycles.

2. Critical Component Replacement: All N63 engines receive updated timing chain tensioner, new HPFP (13518642110), and MAF sensors calibrated for xDrive airflow demands. B58 units get Valvetronic motors (11348512009) and hybrid sync modules.

3. Precision Reassembly: Cylinder heads torqued to BMW spec (25Nm + 90° turn for B58). Oil galleries flushed with OEM-approved solvent to remove carbon sludge common in UK short-trip 750Li xDrive usage.

4. Bench Testing: Engines run on dyno for 2+ hours - oil pressure monitored at 3,000 RPM (min 4.5 bar). DME communication validated with ISTA+ to ensure xDrive torque split compatibility.

5. xDrive-Specific Calibration: ECU flashed with 750Li xDrive-specific maps (e.g., G11 750Li xDrive = software 07_19_22). Hybrid B58 units undergo 48V system handshake verification.

6. Final QA & Documentation: Each engine receives a build sheet with torque specs, replaced parts list, and bench-test logs. Includes 12-month warranty covering xDrive integration failures.

Frequently Asked Questions - BMW 7 Series 750Li xDrive Engines

How much does a BMW 7 Series 750Li xDrive N63B44T3 engine replacement cost in the UK?

Reconditioned pricing:
£4,200-£5,800 for N63B44T3 engine (7 Series 750Li xDrive G11/G12, 2015-2018)
• Includes updated VANOS solenoids for 7 Series 750Li xDrive
• 24-month warranty included
• Save 40-50% vs dealerships through Engine Finders

What causes VANOS solenoid failure in 7 Series 750Li xDrive N63B44T3 engines?

The N63B44T3 in 7 Series 750Li xDrive experiences VANOS solenoid failures due to:
• Oil contamination from specific ECU calibration in luxury sedan applications
• High-pressure oil system stress
• Different duty cycles compared to other BMW variants
• Engine bay heat soak unique to 7 Series 750Li xDrive thermal management

Are N63B44T3 engines in 7 Series 750Li xDrive the same as M635CSi?

No, the N63B44T3 in 7 Series 750Li xDrive differs significantly from M635CSi engines:
• Different ECU mapping for luxury driving characteristics
• Unique turbocharger calibration for 7 Series 750Li xDrive
• Modified oil pump specifications
• Different cooling system integration for luxury sedan requirements

How long does a 7 Series 750Li xDrive N63B44T3 engine rebuild take?

Complete N63B44T3 rebuild for 7 Series 750Li xDrive takes:
7-10 business days at specialist facilities
• Includes updated turbocharger internals
• VANOS system overhaul with reinforced components
• ECU reprogramming specific to 7 Series 750Li xDrive chassis codes

What are common oil pump issues in 7 Series 750Li xDrive N63B44T3?

7 Series 750Li xDrive N63B44T3 oil pump failures occur due to:
• High-pressure fuel system stress
• Luxury vehicle consistent highway cruising patterns
• ECU calibration differences affecting oil pressure
• Unique wear patterns from 7 Series 750Li xDrive weight distribution

Can you replace N63B44T3 turbochargers in 7 Series 750Li xDrive?

Yes, our specialists replace 7 Series 750Li xDrive N63B44T3 turbos:
• Includes twin-turbo assembly
• Upgraded bearing systems for luxury driving cycles
• Enhanced cooling components specific to 7 Series 750Li xDrive
• Pre-programmed ECU integration for seamless operation

What's the warranty on 7 Series 750Li xDrive N63B44T3 engine replacements?

Engine Finders provides comprehensive warranty coverage:
24-month warranty on N63B44T3 replacements
• Covers all major components including turbochargers
• UK-wide specialist network for warranty claims
• Includes ECU and VANOS system coverage for 7 Series 750Li xDrive

How do 7 Series 750Li xDrive N63B44T3 intake issues differ from X6?

While sharing N63B44T3 engines, 7 Series 750Li xDrive has unique intake issues:
• Different carbon buildup patterns due to luxury driving cycles
• Modified intake manifold runners (OEM 11617562316) for sedan application
• ECU calibration differences affecting intake timing
• Unique thermal management requirements compared to X6

What fuel system problems affect 7 Series 750Li xDrive N63B44T3 engines?

7 Series 750Li xDrive N63B44T3 fuel system issues include:
• High-pressure pump wear from luxury driving patterns
• Injector clogging due to specific ECU injection timing
• Fuel rail pressure fluctuations unique to 7 Series 750Li xDrive
• Direct injection carbon buildup from stop-start usage

Should I upgrade ECU software when replacing 7 Series 750Li xDrive N63B44T3?

Yes, ECU upgrades are essential for 7 Series 750Li xDrive N63B44T3 replacements:
• Includes latest BMW firmware updates for luxury features
• Optimized for 7 Series 750Li xDrive air suspension integration
• Updated start-stop system calibration
• Pre-programmed for seamless climate control system operation