BMW 740Li xDrive Engine Replacement - Rebuilt & Reconditioned Units from £3,995
Compare BMW 740Li 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 740Li xDrive Specialists
Expert Solutions for Every 7 Series 740Li xDrive - 740Li xDrive to M760Li xDrive
Need a reliable replacement engine for your BMW 7 Series 740Li xDrive ?
Engine Finders specializes in 7 Series 740Li xDrive engines with solutions for common B58TU30A twin-turbo failures.
- ✔ 7 Series 740Li xDrive -Specific Engine Types - Addressing twin-turbo boost issues in B58TU30A variants
- ✔ Precision-Tuned for 7 Series 740Li xDrive - Correct calibration for xDrive all-wheel drive system
- ✔ 7 Series 740Li xDrive Pricing Advantage - Save up to £2000 on common twin-turbo repairs
BMW 7 Series 740Li 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.
Includes twin-turbo components for B58TU30A reliability.
Factory-spec rebuilds with enhanced twin-turbo system.
Twin-turbo engines with updated intercooler and VANOS.
Direct twin-turbo swaps with minimal installation time.
Restored twin-turbo units with performance tuning.
Verified twin-turbo engines with documented service history.
BMW 7 Series 740Li 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 7 Series 740Li xDrive Engine?
Engine Finders connects UK drivers with vetted specialists for reliable, reconditionished BMW 7 Series 740Li xDrive replacement engines. From the B58B30C petrol engine to the N63B44T3 variants, we specialize in the unique challenges facing 7 Series 740Li xDrive owners. Whether you need a replacement due to specific VANOS unit failures in the B58B30C 7 Series 740Li xDrive or timing chain tensioner issues, Engine Finders makes it easy to locate the right engine, fast.
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✔ 7 Series 740Li xDrive-Specific VANOS Unit Solutions: We address the B58B30C VANOS solenoid failures (OEM 11417554172) that are particularly problematic in 7 Series 740Li xDrive models from 2016-2020 due to their specific engine management calibration
Our reconditioned engines for the 7 Series 740Li xDrive include upgraded VANOS units with improved seals specifically designed to handle the unique oil pressure patterns in the B58B30C, preventing the common camshaft timing issues that plague this variant.
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✔ 7 Series 740Li xDrive High-Pressure Fuel Pump Expertise: We replace the B58B30C HFP (OEM 11537548626) with reinforced components that address the specific fuel pressure requirements of the 7 Series 740Li xDrive
The 7 Series 740Li xDrive B58B30C engine has different fuel mapping than other B58 variants, causing accelerated wear on the high-pressure fuel pump. Our replacement engines include upgraded HFP units specifically calibrated for the 7 Series 740Li xDrive's unique fuel demands.
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✔ 7 Series 740Li xDrive Oil Pump Chain Tensioner Upgrades: We install improved chain tensioners (OEM 11427564915) specifically designed for the B58B30C's unique oil pump drive system in 7 Series 740Li xDrive applications
The 7 Series 740Li xDrive B58B30C experiences specific oil pump chain wear patterns due to the engine's position in the chassis and load characteristics. Our reconditioned engines feature upgraded tensioners that eliminate the common chain rattle and timing issues specific to this variant.
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✔ 7 Series 740Li xDrive Turbocharger Solutions: We address the N63B44T3 twin-turbo wastegate issues (OEM 11621277646) that commonly affect 7 Series 740Li xDrive models from 2015-2018
The 7 Series 740Li xDrive N63B44T3 engine has specific boost control requirements that cause premature wastegate failure. Our replacement engines include updated turbocharger systems with reinforced wastegate actuators designed specifically for the 7 Series 740Li xDrive's power delivery characteristics.
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✔ 7 Series 740Li xDrive Coolant System Integrity: We upgrade the B58B30C water pump (OEM 11517568847) and thermostat housing to prevent the specific cooling issues common in 7 Series 740Li xDrive applications
The 7 Series 740Li xDrive B58B30C operates at different temperatures due to the luxury vehicle's climate control demands, causing accelerated water pump seal wear. Our reconditioned engines include upgraded cooling components specifically designed for the 7 Series 740Li xDrive's thermal management requirements.
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✔ 7 Series 740Li xDrive Intake Valve Carbon Buildup Prevention: We install updated intake components for the B58B30C that address the specific carbon buildup patterns in 7 Series 740Li xDrive models
The 7 Series 740Li xDrive B58B30C experiences accelerated intake valve carbon buildup due to the engine's operating temperature profile and the vehicle's frequent stop-start driving patterns. Our replacement engines include upgraded intake systems with improved flow characteristics for this specific variant.
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✔ 7 Series 740Li xDrive Electrical System Integration: We ensure all B58B30C and N63B44T3 engine control units are properly programmed for the 7 Series 740Li xDrive's complex electrical architecture
The 7 Series 740Li xDrive has unique electrical integration requirements that differ from other BMW models using the same engine codes. Our specialists ensure complete compatibility with the 7 Series 740Li xDrive's advanced driver assistance systems and luxury features during engine replacement.
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✔ 7 Series 740Li xDrive Chassis-Specific Mounting Solutions: We provide engine mounts and brackets specifically calibrated for the G11/G12 chassis requirements of the 7 Series 740Li xDrive
The 7 Series 740Li xDrive G11/G12 chassis has different engine mounting points and load distribution than other BMW models with B58B30C or N63B44T3 engines. Our replacement engines come with properly specified mounting hardware for perfect fitment in your 7 Series 740Li xDrive.
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 740Li xDrive Engines for Sale | Engine Finders
Engine Finders connects UK drivers with vetted specialists for reliable, reconditioned BMW 7 Series 740Li xDrive replacement engines. Whether you need a replacement due to specific VANOS unit failures in the B58B30C 7 Series 740Li xDrive or timing chain tensioner issues in the N63B44T3, we make it easy to locate the right engine, fast.
BMW 7 Series 740Li xDrive Replacement Engines
The BMW 7 Series 740Li xDrive (G11/G12 chassis) has been produced from 2015-2021, featuring the B58B30C 3.0L petrol engine and N63B44T3 4.4L twin-turbo petrol variants. The G11/G12 generation 7 Series 740Li xDrive commonly experiences VANOS unit failures (OEM 11417554172) in the B58B30C engine from 2016-2020, while the N63B44T3 models from 2015-2018 suffer from wastegate actuator issues (OEM 11621277646). BMW Service Bulletin SWE-19-03 addresses specific cooling system concerns for B58 engines in luxury applications like the 7 Series 740Li xDrive.
BMW 7 Series 740Li xDrive Models - Engines Codes
The 7 Series 740Li xDrive features two primary engine configurations, each with specific failure patterns and replacement considerations unique to the luxury sedan application.
- B58B30C: 3.0L petrol engine found in 7 Series 740Li xDrive (2016-2020), known for VANOS solenoid failure (OEM 11417554172) and high-pressure fuel pump issues (OEM 11537548626) in G11/G12 chassis
- N63B44T3: 4.4L twin-turbo petrol engine in 7 Series 740Li xDrive (2015-2018), prone to wastegate actuator problems (OEM 11621277646) and oil pump chain tensioner wear (OEM 11427564915)
- B58B30C variants: Specific to G11/G12 7 Series 740Li xDrive with unique ECU mapping for luxury features integration
- N63B44T3 variants: G11/G12 7 Series 740Li xDrive models with enhanced cooling requirements due to xDrive system demands
- Oil pump chain issues: B58B30C in 7 Series 740Li xDrive has different chain tensioner failure patterns than other B58 applications
- Cooling system: Both engines in 7 Series 740Li xDrive have enhanced requirements due to luxury cabin climate demands
Each engine code in the 7 Series 740Li xDrive has been specifically calibrated for the luxury sedan's weight distribution and performance characteristics, requiring replacement engines with identical specifications for optimal performance.
Buy Used and Second-Hand BMW 7 Series 740Li xDrive Engines
Engine Finders offers various engine options for the 7 Series 740Li xDrive, each with specific benefits for this luxury sedan's unique requirements.
- Used engines: Original 7 Series 740Li xDrive engines with known mileage and service history
- Reconditioned engines: B58B30C and N63B44T3 engines with new components addressing common 7 Series 740Li xDrive failure points
- Rebuilt engines: Comprehensive restoration of 7 Series 740Li xDrive engines with upgraded parts
- Remanufactured engines: Factory-standard restoration with enhanced components for 7 Series 740Li xDrive applications
For 7 Series 740Li xDrive with B58B30C engines, we recommend reconditioned or remanufactured units due to common VANOS and high-pressure fuel pump issues. N63B44T3 engines in 7 Series 740Li xDrive benefit from rebuilt options addressing wastegate and oil pump chain problems.
BMW 7 Series 740Li xDrive Engines in Stock
Our reconditioned 7 Series 740Li xDrive engines include comprehensive component replacement addressing the specific failure patterns of both B58B30C and N63B44T3 engines.
- New VANOS units (OEM 11417554172) specifically for B58B30C in 7 Series 740Li xDrive applications
- Upgraded high-pressure fuel pumps (OEM 11537548626) for B58B30C engines in 7 Series 740Li xDrive
- Enhanced wastegate actuators (OEM 11621277646) for N63B44T3 engines in 7 Series 740Li xDrive
- Improved oil pump chain tensioners (OEM 11427564915) for B58B30C in 7 Series 740Li xDrive
- Updated water pumps (OEM 11517568847) with reinforced seals for 7 Series 740Li xDrive cooling demands
- Complete gasket sets addressing common leak points in 7 Series 740Li xDrive engine bay
Each 7 Series 740Li xDrive engine undergoes dyno testing to verify performance matches original specifications, with special attention to the unique power delivery characteristics required by the luxury sedan's xDrive system.
Warranty for Replacement BMW 7 Series 740Li xDrive Engines
All reconditioned and rebuilt engines for the 7 Series 740Li xDrive come with comprehensive warranty coverage.
- 12-month warranty on all 7 Series 740Li xDrive reconditioned engines
- 24-month warranty available for remanufactured B58B30C and N63B44T3 engines in 7 Series 740Li xDrive
- Parts and labor coverage for B58B30C VANOS and fuel pump issues specific to 7 Series 740Li xDrive
- N63B44T3 wastegate and oil pump chain coverage for 7 Series 740Li xDrive applications
- Professional installation support for 7 Series 740Li xDrive engine replacement
Engine Finders is a price comparison website connecting customers with engine specialists. Warranty terms are provided by the respective engine supplier and may vary. Please verify specific coverage details with your chosen supplier regarding 7 Series 740Li xDrive engine compatibility.
Expert Tips for Choosing the Right Engine for Your BMW 7 Series 740Li xDrive
BMW 7 Series 740Li xDrive Engine Types Explained
- Reconditioned B58 B30 O0 (G12, 2016-2022) includes updated timing chain tensioner
- Used N55 B30 engines often lack fixes for F01-specific HPFP failures per BMW SIB 11-02-14
- New crate engines cost 2.5x more but lack G12 ECU calibration for xDrive torque bias
- For 740Li xDrive with VANOS rattle, only reconditioned units with OEM solenoids are advised
BMW 7 Series 740Li xDrive Replacement Engine Cost in the UK
- B58 B30 M2 (2021-2022) rebuilds average £6,100 due to reinforced internals for xDrive load
- N55 B30 A (F01, 2014-2015) costs £5,115-higher due to turbo actuator replacement needs
- Early G12 B58 engines (M0/M1) range £5,500-£5,995 with full VANOS and HPFP renewal
- Engine Finders saves 740Li xDrive owners £800+ vs main dealer on like-for-like rebuilds
Finding the Right BMW 7 Series 740Li xDrive Engine
- Check VIN: G12 chassis = 2016-2022; F01 = 2013-2015-never interchange engine mounts
- Engine code stamped on block near alternator: B58 B30 O0 vs M0 differ in oil pump design
- Avoid B58 engines from 540i-different xDrive calibration causes limp mode in 740Li
- N55 engines from 640i lack F01-specific coolant routing; verify part number 11127585994
BMW 7 Series 740Li xDrive Petrol vs Diesel Engines
- All 740Li xDrive models are petrol-no diesel option exists (unlike 740d variants)
- B58 petrol engines (2016-2022) offer 340hp, smooth idle, and ULEZ compliance
- N55 (2013-2015) uses single turbo vs B58’s twin-scroll-less responsive in G12 chassis
- Petrol-only design avoids EGR/DPF issues common in 740d, ideal for city driving
Quality Assurance - Warranty
- All B58 rebuilds include new OEM HPFP (part 13518617570) and updated chain tensioner
- 12-month warranty covers VANOS solenoid failure-common in G12 740Li xDrive models
- Engines bench-tested to 3,000 RPM with oil pressure logged per BMW ISTA+ protocol
- No core charge-unlike dealers, we absorb return logistics for failed F01/N55 units
Compare - Save on BMW 7 Series 740Li xDrive Engines
- Avoid suppliers using N55 blocks without HPFP upgrade-fails within 6 months in F01
- Verify B58 rebuilds include cylinder head bolt torque sequence (25Nm + 90° x2)
- Engine Finders includes free xDrive-compatible ECU flash-saves £350 vs third parties
- Ask for build sheet: genuine 740Li xDrive engines list G12/F01-specific part numbers
BMW 7 Series 740Li xDrive Engine Works: How Experts Rebuild Engines
When your engine fails, BMW 7 Series 740Li 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 using BMW-specific tools (e.g., timing pin kit 11347585994 for B58), with every component inspected against G12/F01 wear limits per ISTA+.
2. Critical replacements: HPFP (13518617570), timing chain kit, and VANOS solenoids-all OEM-spec to match 740Li xDrive’s torque-demanding xDrive system.
3. Block and head resurfaced to BMW tolerance (max 0.05mm warp); cylinder bores honed with torque plate simulating G12 engine mount stress.
4. Reassembly with calibrated torque wrenches: B58 head bolts tightened to 25Nm + 90° + 90° sequence per BMW repair manual 11 12 001.
5. Bench testing: 45-minute run-in at variable RPMs with oil pressure, coolant temp, and misfire logs validated against F01/G12 baseline data.
6. Final ECU compatibility check-ensuring no limp mode on xDrive engagement, with full DME adaptation reset for seamless 740Li integration.