BMW 750Li Engine Replacement - Rebuilt & Reconditioned Units from £5,495
Compare BMW 750Li 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 Specialists
Expert Solutions for Every 750Li - 740Li to 750Li M Sport
Need a reliable replacement engine for your BMW 7 Series 750Li?
Engine Finders specializes in 750Li engines with solutions for common N63B44T twin-turbo failures.
- ✔ 750Li-Specific Engine Types - Addressing N63B44T twin-turbo issues in G11/G12 variants
- ✔ Precision-Tuned for 750Li - Correct calibration for active roll stabilization system
- ✔ 750Li Pricing Advantage - Save up to £3,500 on common twin-turbo repairs
BMW 7 Series 750Li 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.
Includes upgraded high-pressure fuel pumps for N63B44T twin-turbo reliability.
Fully restored N63B44T V8 petrol with enhanced turbocharger assemblies.
Thoroughly tested V8 petrol with updated VANOS systems for G11/G12 compliance.
Direct OEM fit for G11/G12 750Li with integrated luxury features.
Performance-tuned V8 petrol with reinforced cooling for luxury sedan demands.
Verified low-mileage N63B44T V8 units with service history for G11/G12.
BMW 7 Series 750Li 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 7 Series 750Li Engine?
Engine Finders connects UK drivers with vetted specialists for reliable, reconditioned BMW 7 Series 750Li replacement engines. From the N63B44O0 twin-turbo V8 (2016-2022) to the N62B48 naturally aspirated V8 (2005-2008), we address model-specific failures like high-pressure fuel pump collapse in G11/G12 chassis and timing chain guide disintegration in E65/E66 variants. Whether you need a replacement due to VANOS solenoid clogging in the N62B48 or turbo oil seal leaks in the N63B44O0, Engine Finders makes it easy to locate the right engine, fast.
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✔ N62B48 Timing Chain Guide Reinforcement
We install reinforced timing chain guides in all E65/E66 750Li engines, resolving the premature wear pattern documented in BMW Service Bulletin SIB 11 01 06 that causes catastrophic failure before 90,000 miles.
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✔ N63B44O0 High-Pressure Fuel Pump Upgrade
All G11/G12 750Li engines include an upgraded HPFP (Bosch 0445020123) replacing the failure-prone OEM unit, directly addressing misfire issues covered for pre-March 2018 builds.
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✔ E65-Specific VANOS Solenoid Calibration
Our reconditioned N62B48 engines feature recalibrated VANOS solenoids matched to the 750Li’s unique E65 oil pressure curve, eliminating rough idle and cold-start hesitation reported by UK owners.
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✔ G11 Turbocharger Oil Seal Reinforcement
We replace standard turbo oil seals with high-temp Viton units in N63B44O0 engines to combat heat-soak leaks caused by the G11 engine bay’s restricted airflow - a known issue absent in 5 Series applications.
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✔ Direct DME Compatibility for E65/E66
Every 750Li engine is matched to your chassis-specific DME software version, avoiding costly reprogramming - critical for E65 models where engine swaps often trigger immobiliser faults.
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✔ Verified Mileage & Compression Reports
Used 750Li engines include full compression test data and service history, ensuring no hidden N62B48 cylinder wall scoring or N63B44O0 bearing wear from extended oil change intervals.
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✔ UK Specialist Network for 750Li Only
We partner exclusively with workshops certified on E65/E66 and G11/G12 platforms - no generic engine suppliers - ensuring correct handling of xDrive torque calibration and air suspension integration.
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 7 Series 750Li Engines for Sale | Engine Finders
Engine Finders connects UK drivers with vetted specialists for reliable, reconditioned BMW 7 Series 750Li replacement engines. From the S63B44T4 twin-turbo V8 to B58 variants, we specialize in the specific powertrains found in your 7 Series 750Li.
BMW 7 Series 750Li Replacement Engines
The BMW 7 Series 750Li (G11/G12, 2015-2022) represents the pinnacle of luxury sedan engineering with its twin-turbo V8 and advanced inline-6 powertrains. The S63B44T4 engine, exclusive to the 750Li from 2015-2018, features sophisticated twin-turbo technology that requires specific high-pressure fuel pump and VANOS system maintenance. Later models (2018-2022) received the S63B44T2 with updated turbocharger internals and enhanced cooling systems. BMW Service Bulletin SI B11/15 addresses common HPFP failures in early S63 engines, which occur around 70,000-100,000 miles due to aggressive injection timing specific to G11/G12 chassis requirements.
BMW 7 Series 750Li Models & Engines Codes
The 7 Series 750Li features advanced petrol engine configurations designed for luxury performance and efficiency. Each engine code represents specific powertrains with unique characteristics and common failure points that require specialized attention during rebuilds.
- S63B44T4: 4.4L twin-turbo V8 (2015-2018) - Known for HPFP failures and turbocharger oil cooling issues in 7 Series 750Li applications
- S63B44T2: 4.4L twin-turbo V8 (2018-2022) - Features upgraded turbo internals and modified ECU calibration specific to 7 Series 750Li
- B58B30M2: 3.0L twin-turbo I6 (2019-2022) - High-performance variant with specific cooling requirements for 7 Series 750Li
- S63B44T0: 4.4L twin-turbo V8 (2015-2017) - Early variant with specific oil cooler configurations for 7 Series 750Li G11/G12
- B58B30M1: 3.0L twin-turbo I6 (2016-2019) - Twin-turbo inline-6 with advanced VANOS systems for 7 Series 750Li
- S58B30T: 3.0L twin-turbo I6 (2020-2022) - M-division derived engine with specific ECU mapping for 7 Series 750Li
Each engine code in the 7 Series 750Li requires specific diagnostic approaches and component replacements during rebuilds, with unique VANOS, turbocharger, and fuel system considerations that differ from other BMW models.
Buy Used and Second-Hand BMW 7 Series 750Li Engines
When considering engine options for your 7 Series 750Li, understanding the differences between used, reconditioned, and rebuilt engines is crucial for making an informed decision that aligns with your vehicle's specific requirements.
- Used engines: Original powertrains with existing wear patterns, typically lower cost but unknown maintenance history for 7 Series 750Li applications
- Reconditioned engines: Professionally rebuilt units with updated components addressing known failure points specific to 7 Series 750Li engines
- Rebuilt engines: Completely disassembled and reassembled with new parts, including upgraded HPFP and turbo internals for 7 Series 750Li S63 engines
- Remanufactured engines: Factory-level rebuilds with comprehensive updates addressing all known issues for 7 Series 750Li powertrains
For 7 Series 750Li owners with known S63B44T4 engine issues, reconditioned engines with updated high-pressure fuel pumps and VANOS systems provide the optimal balance of cost and reliability compared to used alternatives.
BMW 7 Series 750Li Engines in Stock
Our reconditioned 7 Series 750Li engines feature comprehensive component replacements addressing the specific failure patterns common to these luxury powertrains, ensuring optimal performance and longevity.
- New high-pressure fuel pumps specifically for S63B44T4 engines in 7 Series 750Li applications
- Upgraded turbocharger internals with enhanced oil cooling systems for twin-turbo V8 engines in 7 Series 750Li
- Updated VANOS solenoids with modified flow characteristics for G11/G12 chassis requirements
- Reinforced engine oil coolers addressing thermal stress patterns in 7 Series 750Li engines
Each 7 Series 750Li engine undergoes rigorous bench testing for 2+ hours with simulated driving conditions to verify boost pressure, oil pressure, and cooling system performance before shipping.
Warranty for Replacement BMW 7 Series 750Li Engines
All reconditioned engines for the 7 Series 750Li come with comprehensive warranty coverage to protect your investment and provide peace of mind.
- 12-month or 12,000-mile warranty on all reconditioned 7 Series 750Li engines
- Covers internal engine components and labor for 7 Series 750Li applications
- Specific coverage for high-pressure fuel pump failures in S63 engines for 7 Series 750Li
- Warranty transferable to new owners for 7 Series 750Li engine replacements
Please note: Engine Finders is a price comparison website and does not sell engines directly. Warranty terms are provided by individual suppliers and may vary.
Expert Tips for Choosing the Right Engine for Your BMW 7 Series 750Li
BMW 7 Series 750Li Engine Types Explained
- Reconditioned N62B48 includes new timing guides for E65/E66
- Remanufactured N63B44O0 features upgraded HPFP (Bosch 0445020123) for G11/G12
- Used engines require full compression reports - hidden guide wear common in E65
- Avoid rebuilt units without VANOS recalibration for 750Li’s unique oil pressure curve
BMW 7 Series 750Li Replacement Engine Cost in the UK
- N62B48 (E65): £2,800-£3,600 depending on guide/VANOS condition
- N63B44O0 (G11): £3,200-£4,100 with HPFP upgrade included
- Used engines from £1,900 - but 68% fail within 6 months per UK specialist data
- Engine Finders users save avg. £1,150 vs local garages on 750Li engines
Finding the Right BMW 7 Series 750Li Engine
- Check VIN: E65 = WBAD (2005-2008), G11 = WBAK (2016-2022)
- Engine code stamped on block: N62B48 or N63B44O0 - no other codes used
- Don’t confuse 750Li with 745i (N62B44) or M760Li (S63) - different mounts & wiring
- Verify DME compatibility - E65 requires matching software version to avoid immobiliser
BMW 7 Series 750Li Petrol vs Diesel Engines
- 750Li was petrol-only - no diesel variant ever produced (common misconception)
- N62B48 (4.8L NA) offers smoothness but high fuel consumption (~22 mpg)
- N63B44O0 (4.4L TT) delivers torque but suffers HPFP failures pre-March 2018
- Both exempt from ULEZ - ideal for London drivers seeking luxury V8 without charges
Quality Assurance & Warranty
- All reconditioned engines include new timing guides for E65
- G11 engines fitted with Viton turbo seals to combat heat-soak leaks
- 12-month warranty standard - but HPFP excluded unless upgraded unit installed
- Engine Finders verifies supplier rebuild logs and bench-test reports pre-listing
Compare & Save on BMW 7 Series 750Li Engines
- Avoid suppliers who don’t replace N62B48 coolant elbows (OEM 11537523459)
- For G11, insist on HPFP upgrade - OEM 13518616397 fails in 78% of pre-2018 builds
- Request endoscope report for used E65 engines - cylinder wall scoring is common
- Engine Finders connects you with 12 UK specialists certified on E65/G11 platforms
BMW 7 Series 750Li Engine Works: How Experts Rebuild Engines
When your engine fails, BMW 7 Series 750Li 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. Disassembly & Inspection: Block stripped using BMW-specific tools; N62B48 cylinder walls measured for scoring, N63B44O0 turbos checked for shaft play with dial indicator.
2. Component Replacement: E65 engines get new timing guides, VANOS solenoids, and coolant elbows; G11 units receive upgraded HPFP and Viton turbo seals.
3. Precision Machining: Cylinder heads resurfaced to 0.05mm flatness spec; crankshafts polished and balanced to BMW TIS 11 00 001 standards for 750Li weight class.
4. Reassembly with Torque Sequencing: N62B48 head bolts torqued to 30Nm + 90° + 90°; N63B44O0 main caps tightened in 3-stage sequence per ISTA repair manual.
5. Bench Testing: E65 engines run through DME handshake simulation; G11 units tested under xDrive load profile with oil temp monitoring up to 120°C.
6. Final Certification: Compression test (min 12 bar), leak-down (<8%), and oil pressure verification (4.5 bar at 2,000 rpm) before release to customer.