BMW 640i Coupe Engine Replacement - From £3,882
Compare BMW 640i Coupe 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 6 Series 640i Coupé Specialists
Expert Solutions for Every 6 Series 640i Coupé -640i to M6 Coupé
Need a reliable replacement engine for your BMW 6 Series 640i Coupé?
Engine Finders specializes in 6 Series 640i Coupé engines with solutions for common N54 twin-turbo failures.
- ✔ 6 Series 640i Coupé-Specific Engine Types - Addressing N54 twin-turbo issues in 640i variants
- ✔ Precision-Tuned for 6 Series 640i Coupé - Correct calibration for VANOS and DISA systems
- ✔ 6 Series 640i Coupé Pricing Advantage - Save up to £3000 on common turbo repairs
BMW 6 Series 640i Coupé 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 F06.
Complete N55B30A rebuilds with updated twin-turbocharger components for F06 chassis.
Factory-spec N55B30A restoration with reinforced fuel injection system for 6 Series 640i Coupé.
Thoroughly inspected N55B30A with verified VANOS operation and timing chain for F06.
Direct swap N55B30A units with exact F06 mounting specifications for 6 Series 640i Coupé.
Cleaned N55B30A with upgraded intercooler to prevent 6 Series 640i Coupé-specific overheating.
Affordable N55B30A options with verified F06 service history and mileage for 6 Series 640i Coupé.
BMW 6 Series 640i Coupé 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 6 Series 640i Coupé Engine?
Engine Finders connects UK drivers with vetted specialists for reliable, reconditioned BMW 6 Series 640i engines. From the N55B30A petrol to S63B44 variants, we provide solutions specifically for your 6 Series 640i Coupé. Whether you need a replacement due to specific VANOS solenoid failures in the N55B30A 6 Series 640i Coupéor high-pressure fuel pump issues, Engine Finders makes it easy to locate the right engine, fast.
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✔ 6 Series 640i Coupé-Specific VANOS System Solutions: We replace the N55B30A solenoids with upgraded components known to fail in 6 Series 640i Coupé from 2010-2018
Our specialists address the unique VANOS timing issues in 6 Series 640i CoupéN55B30A engines that cause rough idling and reduced performance due to the F06 chassis calibration.
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✔ High-Pressure Fuel Pump Replacement for 6 Series 640i Coupé: Updated pumps for N55B30A engines address common failures
The N55B30A in 6 Series 640i Coupéis prone to fuel pump issues due to increased pressure requirements. We install reinforced pumps specifically for F06 chassis applications.
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✔ 6 Series 640i CoupéTurbocharger Expertise: Twin-turbo systems receive upgraded wastegate actuators for N55B30A
Our specialists rebuild 6 Series 640i CoupéN55B30A engines with reinforced turbocharger components specifically designed to handle the F06 xDrive torque distribution system.
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✔ Timing Chain Solutions for 6 Series 640i Coupé: Reinforced chains and tensioners for N55B30A engines
The 6 Series 640i CoupéN55B30A experiences unique timing chain wear patterns due to performance tuning. We install upgraded components for longevity.
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✔ 6 Series 640i CoupéIntercooler Upgrades: Enhanced cooling for twin-turbo N55B30A applications
F06 chassis 6 Series 640i Coupé Engines face increased heat under the hood. We install upgraded intercoolers to prevent heat soak and maintain performance.
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✔ 6 Series 640i CoupéSpecific Oil System Components: Updated oil pumps for N55B30A reliability
The 6 Series 640i CoupéN55B30A requires specific oil pump specifications due to the high-performance nature of the F06 application. We install BMW-approved replacements.
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✔ 6 Series 640i CoupéChassis Compatibility: F06-specific mounting points and drivetrain interfaces
We ensure all engines for 6 Series 640i Coupé are properly configured for F06 chassis mounting, xDrive compatibility, and transmission interfaces.
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✔ 6 Series 640i CoupéPerformance Calibration: Engine management programmed for F06 specifications
Reconditioned engines for 6 Series 640i Coupéreceive proper ECU programming to match the unique performance and emissions requirements of the F06 chassis.
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 6 Series 640i Coupé Engines for Sale | Engine Finders
Find replacement BMW 6 Series 640i Coupé Engines with Engine Finders. Whether you need a replacement due to VANOS unit failures in the N55B30 or turbocharger issues in the B58 engine, we connect you with quality suppliers.
BMW 6 Series 640i Engines
The BMW 6 Series 640i Coupé (F13, 2012-2018) represents the third generation of BMW's luxury coupé, featuring advanced petrol engines including the N55B30 and B58B30 units. The F13 chassis 640i Coupé was specifically engineered with rear-wheel drive and optional xDrive, with engines tuned for premium performance. The N55B30 in the 640i Coupé from 2012-2015 often suffers from carbon buildup on intake valves and potential charge pipe failures. Later B58B30 engines (2015-2018) addressed many N55 issues but introduced new concerns with water pump and coolant thermostat failures.
BMW 6 Series 640i Coupé Models - Engines Codes
The BMW 6 Series 640i Coupé features several petrol engine variants across its production years, each with specific characteristics and known issues. These engines were specifically calibrated for the F13 chassis and offer different performance characteristics compared to other BMW models.
- N55B30: 3.0L twin-scroll turbo petrol engine (2012-2015) - Known for carbon buildup on intake valves in 640i Coupé F13 chassis, VANOS unit failures, and potential charge pipe issues after 100k miles
- B58B30: 3.0L twin-turbo petrol engine (2015-2018) - Features updated cooling system for 640i Coupé applications, prone to water pump and coolant thermostat failures after 80k miles
- S63B44: 4.4L twin-turbo V8 petrol engine (2012-2015) - High-performance variant for 640i Coupé, known for VANOS solenoid issues and oil cooler problems in F13 applications
- N54B30: 3.0L twin-turbo petrol engine (2012-2013) - Earlier turbocharged option for 640i Coupé, prone to boost leaks and intercooler issues specific to F13 chassis
Each engine code represents specific power outputs and characteristics tuned for the 6 Series 640i Coupé's performance requirements. When replacing engines in your 640i Coupé, it's crucial to match the exact engine code to your vehicle's specifications and production year to ensure proper fitment and performance.
Buy Used and Second-Hand BMW 6 Series 640i Coupé Engines
When selecting a replacement engine for your 6 Series 640i Coupé, you have several options each with specific advantages for your vehicle's needs.
- Used engines for 640i Coupé offer the lowest cost but carry unknown failure history, especially for N55B30 engines after 100k miles
- Reconditioned engines include professionally rebuilt N55/B58 units with warranty coverage addressing known 640i Coupé failure points
- Rebuilt engines for 640i Coupé feature updated components like improved timing chain tensioners for N55 applications
- Remanufactured engines provide the highest quality for 640i Coupé with factory-level specifications and comprehensive warranty coverage
For 6 Series 640i Coupé owners with N55B30 engines experiencing timing chain issues, we recommend reconditioned or remanufactured units that include updated components specifically addressing known failure points in F13 chassis applications.
BMW 6 Series 640i Coupé Engines in Stock
Our network suppliers stock reconditioned 6 Series 640i Coupé engines that include comprehensive component replacement addressing known issues with N55 and B58 engines in F13 chassis applications.
- New timing chain tensioner specifically for N55B30 engines in 640i Coupé addressing common tensioner failures
- Updated VANOS units and solenoids for both N55 and B58 engines in 640i Coupé applications
- New water pumps and coolant thermostats for B58B30 engines addressing known issues in 640i Coupé after 80k miles
- Complete turbocharger rebuilds with new bearings and seals for 640i Coupé N55/B58 applications
Each 6 Series 640i Coupé engine undergoes comprehensive testing including pressure testing, dyno verification, and emissions parameter checks to ensure proper performance and compatibility with F13 chassis specifications before delivery.
Warranty for Replacement BMW 6 Series 640i Coupé Engines
Reconditioned engines for the 6 Series 640i Coupé typically come with comprehensive warranty coverage to protect your investment.
- Standard 12-month unlimited mileage warranty on all reconditioned 640i Coupé engines
- Extended warranty options up to 24 months available for N55/B58 engines in 640i Coupé
- Specific coverage for known issues like timing chain components in N55 engines for 640i Coupé
- Parts and labor coverage for engine internals in 640i Coupé replacement units
Please note that Engine Finders is a price comparison website and does not sell engines directly. Warranty terms are provided by individual suppliers and may vary. Please verify specific warranty coverage with your chosen supplier before purchase.
Expert Tips for Choosing the Right Engine for Your BMW 6 Series 640i Coupé
BMW 6 Series 640i Coupé Engine Types Explained
- Used N55B30 (F06, 2011-2013): risk of HPFP failure
- Reconditioned N55B30A (F06, 2014-2018): includes wastegate - HPFP upgrades
- Rebuilt B58B30A (G32, 2018-2023): features new timing chain tensioner (11318685731)
- Remanufactured B58B30M0 (G32, 2020-2023): OEM-spec with reinforced charge pipes
BMW 6 Series 640i Coupé Replacement Engine Cost in the UK
- N55B30 (early F06): £3,995-£4,200 with 12-month warranty
- N55B30A (late F06): £5,100-£5,400 due to HPFP - turbo calibration
- B58B30A (early G32): £3,880-£4,100; includes updated VANOS solenoids
- B58B30M0 (late G32): £5,500-£5,900; reinforced internals for higher boost
Finding the Right BMW 6 Series 640i Coupé Engine
- Check VIN: F06 = 2011-2018, G32 = 2018-2023 (not interchangeable)
- N55B30 engine code stamped on intake manifold near throttle body
- B58 engines have “B58B30” laser-etched on cylinder head cover
- Avoid F06 engines for G32-different transmission bellhousing - mounts
BMW 6 Series 640i Coupé Petrol vs Diesel Engines
- 640i Coupé is petrol-only-no diesel variant ever produced
- N55 (F06): 3.0L turbo petrol, 320 hp, prone to HPFP - wastegate rattle
- B58 (G32): 3.0L turbo petrol, 335 hp, timing chain - oil consumption risks
- Petrol engines exempt from ULEZ; ideal for London - city driving
Quality Assurance - Warranty
- All rebuilt engines include new HPFP for F06 models
- B58 units feature updated timing chain kits (OEM 11318685731)
- 12-month unlimited mileage warranty covers turbo, fuel, and oil systems
- Engine Finders verifies supplier dyno reports for 640i Coupé load cycles
Compare - Save on BMW 6 Series 640i Coupé Engines
- Avoid suppliers not replacing N55 HPFP-known failure point in F06
- For G32, confirm B58 includes reinforced charge pipes (OEM 11618675320)
- Engine Finders users save avg. £1,800 vs. main dealer on 640i engines
- Request OEM part receipts-critical for timing chain - HPFP validation
BMW 6 Series 640i Coupé Engine Works: How Experts Rebuild Engines
When your engine fails, BMW 6 Series 640i Coupé 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: Every N55/B58 is stripped using BMW-specific tools. Cylinder bores are measured for wear; F06 engines checked for HPFP bore scoring (common after 100k miles).
2. Critical Component Replacement: N55 units get new HPFP, wastegate arms, and valve cover gaskets. B58 engines receive timing chain kits (11318685731) and updated oil pumps.
3. Precision Machining: Cylinder heads are resurfaced to 0.05mm tolerance. B58 blocks are honed with torque plates to match OEM 25Nm cylinder head bolt specs for G32 applications.
4. Reassembly with OEM Parts: All fasteners replaced per BMW TIS. N55 turbo actuators recalibrated to 640i-specific boost maps (1.2-1.4 bar depending on model year).
5. Bench - Dyno Testing: Engines run 4+ hours on test stands. F06 units validated for 8HP70 transmission torque signal; G32 engines tested for xDrive CAN bus compatibility.
6. Final Certification: Each engine receives a digital log showing compression (min. 12:1), oil pressure (≥3.5 bar at 2,000 rpm), and emissions compliance-specific to 640i Coupé chassis.