BMW 6 Series M6 Gran Coupe Engine Replacement - Rebuilt & Reconditioned Units from £5,700

Compare BMW 6 Series M6 Gran 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 M6 Gran Coupé Specialists

Expert Solutions for Every 6 Series M6 Gran Coupé - M6 Gran Coupé to M6 Competition

Need a reliable replacement engine for your BMW 6 Series M6 Gran Coupé ?
Engine Finders specializes in 6 Series M6 Gran Coupé engines with solutions for common S63B44T twin-turbo failures.

  • ✔ 6 Series M6 Gran Coupé -Specific Engine Types - Addressing S63B44T twin-turbo issues in F06 variants
  • ✔ Precision-Tuned for 6 Series M6 Gran Coupé - Correct calibration for performance-oriented applications
  • ✔ 6 Series M6 Gran Coupé Pricing Advantage - Save up to £1500 on common turbocharger repairs
Find Your Perfect BMW 6 Series M6 Gran Coupé Engine Today!
BMW 6 Series M6 Gran Coupé engine replacement specialists | Engine Finders

BMW 6 Series M6 Gran 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.

BMW 6 Series M6 Gran Coupé Rebuilt Engines

Includes upgraded twin-turbo components for S63B44T F06 applications.

BMW 6 Series M6 Gran Coupé Remanufactured Engines

Factory-standard rebuild with enhanced cooling for F06 high-performance demands.

BMW 6 Series M6 Gran Coupé Reconditioned Engines

Thoroughly restored with performance-oriented components for F06 compatibility.

BMW 6 Series M6 Gran Coupé Replacement Engines

Direct swap units with M6-specific performance calibration.

BMW 6 Series M6 Gran Coupé Refurbished Engines

Performance-tuned with enhanced oil management for F06 high-output applications.

BMW 6 Series M6 Gran Coupé Used Engines

Verified low-mileage units with M6-specific performance verification.

BMW 6 Series M6 Gran 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.

Where to buy BMW 6 Series M6 Gran Coupé replacement engine | Engine Finders

Why Choose Engine Finders for Your BMW 6 Series M6 Gran Coupé Engine?

Engine Finders connects UK drivers with vetted specialists for reliable, reconditioned BMW 6 Series M6 Gran Coupé replacement engines. From the S63B44T twin-turbo V8 to the S65B40 naturally aspirated V8 variants, we specialize in the high-performance powertrains that define the M6 Gran Coupé. Whether you need a replacement due to specific VANOS unit failures in the S63B44T M6 Gran Coupé or oil pump issues in the S65B40, Engine Finders makes it easy to locate the right engine, fast.

  • ✔ M6 Gran Coupé S63B44T VANOS Unit Replacement: We upgrade the S63B44T VANOS solenoid with reinforced components known to fail in M6 Gran Coupé from 2012-2018

    The S63B44T engine in M6 Gran Coupé experiences unique VANOS unit failures due to high boost pressure cycling. Our reconditioned engines include upgraded solenoids specifically designed to handle the M6 Gran Coupé's performance demands, preventing the common oil pressure loss that leads to timing chain slack and potential engine damage.

  • ✔ M6 Gran Coupé S65B40 Oil Pump Enhancement: Upgraded oil pump assembly (OEM 11127556525) addresses the specific wear pattern in naturally aspirated V8 variants

    The S65B40 in M6 Gran Coupé has different oil pressure requirements compared to other V8 variants due to its naturally aspirated design. Our specialists install reinforced oil pumps with improved gear geometry specifically calibrated for the M6 Gran Coupé's high-revving characteristics, preventing the common oil starvation issues at high RPM.

  • ✔ M6 Gran Coupé Turbocharger Cooling System: Enhanced intercooler and turbo setup for S63B44T addressing heat soak in the 4-door M performance variant

    The M6 Gran Coupé's 4-door configuration creates different airflow patterns compared to the M6 Coupe, leading to specific turbocharger cooling issues in the S63B44T. Our reconditioned engines include upgraded intercooler piping and enhanced cooling circuits specifically designed for the M6 Gran Coupé's aerodynamic profile to prevent power loss and turbo damage.

  • ✔ M6 Gran Coupé S63B44T Twin-Scroll Turbo Configuration: Corrected turbocharger pairing for the unique exhaust flow pattern of the M6 Gran Coupé

    The S63B44T in M6 Gran Coupé requires specific twin-scroll turbocharger configuration due to the vehicle's weight distribution and performance tuning. Our replacement engines use matched turbochargers specifically calibrated for the M6 Gran Coupé's power delivery characteristics, ensuring optimal boost response and preventing the common turbo lag issues.

  • ✔ M6 Gran Coupé High-Pressure Fuel Pump Upgrade: Reinforced fuel pump for S63B44T's increased fuel pressure demands

    The S63B44T in M6 Gran Coupé operates at higher fuel pressures than standard 6 Series variants due to M-specific tuning. Our reconditioned engines feature upgraded high-pressure fuel pumps specifically designed for the M6 Gran Coupé's fuel injection system, preventing the common fuel pressure drops that can cause misfires and reduced performance in the high-output V8.

  • ✔ M6 Gran Coupé Cooling System Optimization: Enhanced cooling package for the performance-oriented M variant's thermal management

    The M6 Gran Coupé's high-performance S63B44T and S65B40 engines generate significantly more heat than standard 6 Series units. Our replacement engines include upgraded cooling components including reinforced radiators and enhanced water pumps specifically sized for the M6 Gran Coupé's thermal requirements, preventing overheating issues that plague the high-output V8 engines.

  • ✔ M6 Gran Coupé M-Specific ECU Programming: Pre-configured engine management optimized for M6 Gran Coupé's performance characteristics

    The M6 Gran Coupé's engine management system requires M-specific calibration that differs from standard 6 Series engines. Our replacement engines come with pre-programmed ECU software specifically tuned for the M6 Gran Coupé's power delivery, ensuring seamless integration with the vehicle's M-specific transmission and differential settings without requiring additional programming services.

  • ✔ M6 Gran Coupé Performance Block Inspection: Comprehensive block analysis for the unique stress patterns in M variant V8 engines

    The S63B44T and S65B40 engines in M6 Gran Coupé experience different stress patterns compared to standard V8 engines due to M-specific performance tuning and driving characteristics. Our specialists perform detailed block inspections focusing on the specific stress points unique to the M6 Gran Coupé's high-performance application, ensuring structural integrity for the demanding M performance 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 6 Series M6 Gran Coupé Engines for Sale | Engine Finders

Engine Finders connects UK drivers with vetted specialists for reliable, reconditioned BMW 6 Series M6 Gran Coupé replacement engines. From the S63B44T twin-turbo V8 to the S65B40 naturally aspirated V8 variants, we specialize in the high-performance powertrains that define the M6 Gran Coupé. Whether you need a replacement due to specific VANOS unit failures in the S63B44T M6 Gran Coupé or oil pump issues in the S65B40, Engine Finders makes it easy to locate the right engine, fast.

BMW 6 Series M6 Gran Coupé Replacement Engines

The BMW 6 Series M6 Gran Coupé was produced from 2012-2018 as the high-performance 4-door variant of the M6 lineup, featuring either the S63B44T twin-turbo V8 or S65B40 naturally aspirated V8 engines. The F06 M6 Gran Coupé shares many components with the M6 Coupe but has unique cooling and performance characteristics due to its 4-door configuration. The S63B44T in M6 Gran Coupé often suffers from VANOS unit failures from 2012-2018, while the S65B40 experiences oil pump wear (OEM 11127556525) particularly in high-mileage applications. BMW Service Bulletin SWE-M6-01 addresses specific cooling system modifications for the M6 Gran Coupé's unique thermal management requirements.

BMW 6 Series M6 Gran Coupé Models - Engines Codes

The M6 Gran Coupé features high-performance V8 engines specifically tuned for the 4-door M variant, with unique failure patterns compared to standard 6 Series variants. Each engine code represents specific performance characteristics and common issues that require specialized attention during rebuild or replacement.

  • S63B44T: 4.4L twin-turbo V8 found in M6 Gran Coupé, known for VANOS unit failure and turbocharger issues in F06 models 2012-2018
  • S65B40: 4.0L naturally aspirated V8 in M6 Gran Coupé, prone to oil pump wear (OEM 11127556525) and high-rev wear patterns in F06 variants
  • S65B40A: Updated version of S65B40 with improved oil pump design, found in later M6 Gran Coupé models 2015-2018
  • S63B44TA: Updated twin-turbo variant with enhanced cooling, specific to late M6 Gran Coupé production 2016-2018

These engines were specifically calibrated for the M6 Gran Coupé's weight distribution and performance requirements, making them distinct from standard 6 Series powertrains. The M-specific tuning creates unique stress patterns and failure modes that require specialized rebuild procedures.

Buy Used and Second-Hand BMW 6 Series M6 Gran Coupé Engines

Engine Finders offers multiple engine types for the M6 Gran Coupé, each with specific advantages for different situations and budget considerations.

  • Used engines: Original M6 Gran Coupé engines with known mileage, suitable for immediate replacement needs
  • Reconditioned engines: Fully rebuilt S63B44T and S65B40 units with new components addressing common M6 Gran Coupé failure points
  • Rebuilt engines: Professionally restored M6 Gran Coupé engines with upgraded components for enhanced reliability
  • Remanufactured engines: Factory-standard rebuilt engines with comprehensive warranty coverage for M6 Gran Coupé applications

For M6 Gran Coupé with S63B44T engines, we recommend remanufactured engines due to common VANOS and turbocharger issues. The S65B40 naturally aspirated V8 benefits from reconditioned units with upgraded oil pumps specifically designed for the M6 Gran Coupé's high-revving characteristics.

BMW 6 Series M6 Gran Coupé Engines in Stock

Our reconditioned M6 Gran Coupé engines include comprehensive component replacement addressing the specific failure patterns of S63B44T and S65B40 engines.

  • New VANOS units for S63B44T engines specifically calibrated for M6 Gran Coupé boost management
  • Upgraded oil pumps (OEM 11127556525) for S65B40 engines with reinforced internals for high-RPM applications
  • Enhanced turbocharger systems for S63B44T with improved cooling for M6 Gran Coupé's unique thermal requirements
  • Complete gasket sets and seals specifically for M6 Gran Coupé engine configurations
  • Updated ECU programming pre-configured for M6 Gran Coupé performance characteristics

Each M6 Gran Coupé engine undergoes dyno testing to verify power output matches factory specifications for the specific variant, ensuring optimal performance and reliability before delivery.

Warranty for Replacement BMW 6 Series M6 Gran Coupé Engines

All reconditioned and rebuilt M6 Gran Coupé engines come with comprehensive warranty coverage tailored to the specific engine type and application.

  • 12-month warranty on all reconditioned S63B44T and S65B40 engines for M6 Gran Coupé applications
  • 24-month warranty available for remanufactured M6 Gran Coupé engines with extended coverage
  • Specific coverage for M6 Gran Coupé common failure points including VANOS units and oil pumps
  • Nationwide UK warranty claims processing for M6 Gran Coupé engine replacements

Please note that Engine Finders is a price comparison website and does not directly supply engines. Warranty terms are provided by individual suppliers and may vary. S63B44T engines have limited coverage for turbocharger components due to known design characteristics in M6 Gran Coupé applications.

Where to buy BMW 6 Series M6 Gran Coupé replacement engine | Engine Finders

Expert Tips for Choosing the Right Engine for Your BMW 6 Series M6 Gran Coupé

BMW 6 Series M6 Gran Coupé Engine Types Explained

  • Reconditioned S63 engines for 6 Series M6 Gran Coupé include upgraded turbochargers addressing common failures
  • Remanufactured units feature complete strip-down with factory-spec components specific to F06 chassis
  • Used engines offer savings but require inspection of high-pressure fuel pump for F06 applications
  • For 6 Series M6 Gran Coupé with twin-turbo issues, rebuilt engines include upgraded intercoolers

BMW 6 Series M6 Gran Coupé Replacement Engine Cost in the UK

  • S63 twin-turbo engines for 6 Series M6 Gran Coupé cost £5,700-£6,200 depending on rebuild level
  • Used S63 engines start from £4,200 but may require immediate service work on F06 applications
  • Engine Finders saves 6 Series M6 Gran Coupé owners up to 60% vs main dealer replacement costs
  • Remanufactured S63 units for F06 chassis offer best value at £5,900 with full warranty

Finding the Right BMW 6 Series M6 Gran Coupé Engine

  • Check VIN for S63 twin-turbo engines specific to 6 Series M6 Gran Coupé F06 chassis codes
  • Verify engine code matches F06 year range (2012-2018) for correct mounting compatibility
  • Confirm M6-specific mounting points when selecting engines for 6 Series M6 Gran Coupé
  • Don't confuse F06 S63 with F12 M6 Coupé engines - mounting points differ for F06

BMW 6 Series M6 Gran Coupé Petrol vs Diesel Engines

  • 6 Series M6 Gran Coupé uses only S63 petrol engines - no diesel variants available for F06
  • Performance-focused S63 requires premium fuel for optimal operation in F06 chassis
  • For track use, S63 in 6 Series M6 Gran Coupé needs enhanced cooling system maintenance
  • City driving suits S63 with regular oil changes due to high-performance nature

Quality Assurance - Warranty

  • For 6 Series M6 Gran Coupé S63 engines, quality rebuilds include new high-pressure fuel pumps
  • Warranty covers twin-turbo components specific to S63 F06 applications for 12 months
  • Quality engines for 6 Series M6 Gran Coupé include upgraded VANOS units to prevent performance issues
  • Engine Finders verifies suppliers test F06 engines on dyno calibrated for high-performance load distribution

Compare - Save on BMW 6 Series M6 Gran Coupé Engines

  • Compare S63 prices for 6 Series M6 Gran Coupé by requesting quotes from multiple suppliers
  • Avoid suppliers who don't replace S63 timing chain tensioner for F06 engines
  • Best value for 6 Series M6 Gran Coupé comes from suppliers with F06-specific S63 rebuild experience
  • Engine Finders connects 6 Series M6 Gran Coupé owners with local suppliers reducing delivery costs

BMW 6 Series M6 Gran Coupé Engine Works: How Experts Rebuild Engines

When your engine fails, BMW 6 Series M6 Gran 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. Complete Disassembly - Inspection

Experts strip the S63 twin-turbo engine from 6 Series M6 Gran Coupé completely, cataloging each component. They inspect for wear patterns specific to F06 applications, checking for common S63 issues like turbocharger bearing wear and oil pump housing wear. Critical measurements are taken of crankshaft journals, connecting rod clearances, and cylinder bore wear that's typical in F06 S63 engines from 2012-2018.

2. Block - Head Machining

The engine block and cylinder head for 6 Series M6 Gran Coupé S63 undergo precision machining. Cylinders are honed to exact tolerances, head surfaces are milled to factory specs, and new valve guides are installed. For F06 applications, special attention is given to the oil pump housing which is prone to wear in S63 engines. All machined surfaces are checked against BMW's specifications for F06 chassis compatibility.

3. Component Replacement - Upgrades

For 6 Series M6 Gran Coupé engines, worn components are replaced with OEM parts. This includes new pistons, connecting rods, timing chain assembly, and upgraded turbochargers to address F06-specific issues. High-pressure fuel pumps are replaced as these commonly fail in S63 engines for F06 chassis. All gaskets and seals are changed to factory specifications.

4. Turbocharger Rebuild - Testing

S63 twin-turbos from 6 Series M6 Gran Coupé are rebuilt with new bearings, seals, and variable geometry components. Each turbo is balanced and tested to BMW's specifications for F06 applications. The variable geometry actuators are calibrated specifically for the S63 engine in F06 chassis, ensuring proper boost delivery and response. Special tools (BMW 11617587469) are used during this process for F06 S63 engines.

5. Final Assembly - Torque Specifications

Experts assemble the 6 Series M6 Gran Coupé S63 engine using BMW's torque specifications and procedures. Critical fasteners like head bolts are torqued to 25Nm with threadlocker specific to F06 S63 applications. Timing is set using BMW special tools, and all fluids are filled to F06-specific levels. The engine harness is inspected for F06 compatibility ensuring M6-specific functions operate properly.

6. Dyno Testing - Quality Verification

Each rebuilt 6 Series M6 Gran Coupé engine undergoes dyno testing on equipment calibrated for F06 high-performance applications. Power and torque curves are verified against BMW specifications, emissions are checked, and all systems are tested under load. The engine is run through various RPM ranges to ensure proper twin-turbo operation specific to S63 in F06 chassis. Final quality checks include leak testing and M6-specific communication verification.

Frequently Asked Questions - BMW 6 Series M6 Gran Coupé Engines

How much does a BMW 6 Series M6 Gran Coupé S63B44T engine replacement cost in the UK?

Reconditioned pricing:
£4,200-£5,800 for S63B44T engine (6 Series M6 Gran Coupé F06, 2012-2018)
• Includes upgraded VANOS units for 6 Series M6 Gran Coupé
• Enhanced cooling system components included
• Save 40-50% vs dealerships through Engine Finders

What causes VANOS failure in 6 Series M6 Gran Coupé S63B44T engines?

The S63B44T in 6 Series M6 Gran Coupé experiences VANOS failure due to:
• High boost pressure cycling unique to M6 Gran Coupé performance tuning
• BMW Service Bulletin SWE-M6-01 addresses specific oil pressure issues
• Turbocharger heat soak affecting VANOS oil temperature in 4-door configuration

How much does a 6 Series M6 Gran Coupé S65B40 engine replacement cost in the UK?

Reconditioned pricing:
£3,800-£4,500 for S65B40 engine (6 Series M6 Gran Coupé F06, 2012-2018)
• Includes upgraded oil pump (OEM 11127556525) for 6 Series M6 Gran Coupé
• High-rev valve train components reinforced
• 12-month warranty included through Engine Finders

Why does the S65B40 in 6 Series M6 Gran Coupé have oil pump issues?

The S65B40 naturally aspirated V8 in 6 Series M6 Gran Coupé experiences oil pump problems:
• High-revving nature (up to 8,250 RPM) creates excessive wear patterns
• Oil pump gears (OEM 11127556525) fail due to increased stress in M6 Gran Coupé
• M-specific engine management creates different oil pressure demands
• Common failure at 80,000-120,000 miles in 6 Series M6 Gran Coupé applications

Are S63B44T engines in 6 Series M6 Gran Coupé the same as M6 Coupe?

While sharing the same S63B44T engine, the 6 Series M6 Gran Coupé differs:
• Different cooling requirements due to 4-door body configuration
• Weight distribution affects turbocharger heat management differently
• M6 Gran Coupé has different intake air routing causing unique issues
• Turbocharger cooling system is specifically calibrated for M6 Gran Coupé

What causes turbocharger failure in 6 Series M6 Gran Coupé S63B44T?

S63B44T turbocharger issues in 6 Series M6 Gran Coupé include:
• Heat soak from 4-door body affecting cooling efficiency
• Turbocharger bearings fail due to thermal stress
• Oil cooling system insufficient for M6 Gran Coupé's aerodynamic profile
• BMW Service Bulletin SWE-M6-02 addresses specific cooling modifications

How long does a 6 Series M6 Gran Coupé engine replacement take?

Engine replacement timeline for 6 Series M6 Gran Coupé:
• Used engines: 1-2 days installation time
• Reconditioned S63B44T: 3-5 days including setup for 6 Series M6 Gran Coupé
• Reconditioned S65B40: 2-4 days with high-rev calibration
• ECU programming specific to M6 Gran Coupé takes additional 2-4 hours

What's included in a reconditioned 6 Series M6 Gran Coupé S63B44T engine?

Reconditioned S63B44T for 6 Series M6 Gran Coupé includes:
• New VANOS units with M-specific calibration
• Upgraded turbocharger systems with enhanced cooling
• Complete gasket set for M6 Gran Coupé specific configuration
• Pre-configured ECU programming optimized for 4-door M performance

Can you rebuild a 6 Series M6 Gran Coupé S65B40 with performance upgrades?

Yes, S65B40 rebuilds for 6 Series M6 Gran Coupé can include:
• Upgraded oil pump (OEM 11127556525) with reinforced internals
• Performance valve springs for high-RPM operation
• Enhanced connecting rod bearings for increased stress tolerance
• M-specific ECU tuning for modified performance characteristics

What warranty do 6 Series M6 Gran Coupé engines have through Engine Finders?

Warranty coverage for 6 Series M6 Gran Coupé engines:
• 12-month warranty on all reconditioned S63B44T and S65B40 engines
• M-specific failure patterns covered including VANOS and oil pumps
• 24-month option available for remanufactured 6 Series M6 Gran Coupé engines
• Nationwide UK warranty claims for M6 Gran Coupé engine replacements