Compare BMW 6 Series M6 Convertible 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.
Need a reliable replacement engine for your BMW 6 Series M6 Convertible ?
Engine Finders specializes in 6 Series M6 Convertible engines with solutions for common S63B44T twin-turbo failures.
Includes upgraded twin-turbo components for S63B44T F12 applications.
Factory-standard rebuild with enhanced cooling for F12 high-performance demands.
Thoroughly restored with performance-oriented components for F12 compatibility.
Direct swap units with M6-specific performance calibration.
Performance-tuned with enhanced oil management for F12 high-output applications.
Verified low-mileage units with M6-specific performance verification.
Engine Finders connects UK drivers with vetted specialists for reliable, reconditioned BMW 6 Series M6 Convertible replacement engines. From the S63B40A V8 engine to addressing specific high-performance cooling issues in the M6 Convertible, we provide solutions specifically calibrated for your F12 chassis. Whether you need a replacement due to specific oil pump failures in the S63B40A M6 Convertible or valve train problems, Engine Finders makes it easy to locate the right engine, fast.
The S63B40A in M6 Convertible experiences unique fuel pump wear patterns due to the high-performance nature of the M6 platform. We install upgraded components that address the specific failure points common to M6 Convertible models from 2012-2018, ensuring reliability for the high-output V8.
The M6 Convertible's S63B40A V8 engine generates significantly higher heat than standard 6 Series models, leading to specific cooling system stress. Our reconditioned engines include components specifically designed to address these F12-specific thermal management issues.
The M6 Convertible's V8 engine creates different vibration patterns affecting timing chain wear. We install upgraded components specifically designed for the F12's unique V8 thermal and mechanical stress patterns, ensuring longevity under high-performance conditions.
The M6 Convertible's VANOS system requires specific calibration for the high-performance S63B40A V8. Our specialists ensure proper programming and component matching for optimal performance in your F12 chassis with the naturally aspirated V8 engine.
The M6 Convertible's V8 engine requires specific intake components that differ from standard 6 Series models. We install intake components specifically designed for the F12's unique V8 air flow demands and high-performance requirements.
The M6 Convertible requires specific ECU programming to communicate with the S63B40A V8 engine management system. Our specialists ensure seamless integration without performance loss or error codes in your F12 chassis.
The M6 Convertible's S63B40A V8 creates unique oil pressure demands. We install enhanced components specifically designed to address the common oil pump pressure issues in F12 chassis models with the high-performance V8 engine.
We verify each engine against your F12 chassis code to ensure perfect fitment with your M6 Convertible's specific wiring harness, mounting points, and ECU configuration for seamless installation of the high-performance V8.
Based on real post-sale feedback from buyers matched with verified UK suppliers.
Engine Finders connects UK drivers with vetted specialists for reliable, reconditioned BMW 6 Series M6 Convertible replacement engines. Whether you need a replacement due to specific oil pump issues in the S63B40A M6 Convertible or high-performance cooling system failures, we provide solutions specifically calibrated for your F12 chassis.
The BMW 6 Series M6 Convertible (F12, 2012-2018) features the S63B40A naturally aspirated V8 engine, known for its high-performance output but susceptible to specific issues. The S63B40A in the M6 Convertible experiences unique stress patterns due to the convertible's structural dynamics and the naturally aspirated high-RPM operation. Common failure points include high-pressure fuel pump degradation after 70,000 miles and oil pump pressure issues (OEM 11217541012) due to extended high-RPM operation in the F12 platform. BMW Service Bulletin S63 03 18 specifically addresses these issues for M6 Convertible models, recommending updated components during rebuilds.
The M6 Convertible features the S63B40A naturally aspirated V8 engine, specifically calibrated for the F12 chassis and high-performance convertible operation. Each engine code has unique failure patterns specific to the M6 Convertible's operating conditions.
The S63B40A in the M6 Convertible has different oil pressure requirements than other BMW models due to the naturally aspirated high-RPM design and convertible's weight distribution, leading to unique wear patterns not found in coupé variants.
Engine Finders offers multiple engine types for your M6 Convertible, each with specific advantages for the S63B40A engine's unique requirements.
For M6 Convertible with S63B40A engines, we recommend reconditioned or remanufactured engines due to common high-pressure fuel pump and oil pump issues that used engines may not address.
Our reconditioned M6 Convertible engines include comprehensive component upgrades specifically addressing S63B40A failure points in the F12 chassis.
Each M6 Convertible engine undergoes comprehensive dyno testing and ISTA coding to ensure perfect integration with the F12-specific ECU requirements and high-performance demands.
Reconditioned and rebuilt M6 Convertible engines come with comprehensive warranty coverage.
Engine Finders is a price comparison website. All warranties are provided by the respective engine suppliers and terms may vary. Please verify warranty details directly with the supplier.
When your engine fails, BMW 6 Series M6 Convertible 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.
Experts strip the S63 twin-turbo engine from 6 Series M6 Convertible completely, cataloging each component. They inspect for wear patterns specific to F12 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 F12 S63 engines from 2012-2018.
The engine block and cylinder head for 6 Series M6 Convertible S63 undergo precision machining. Cylinders are honed to exact tolerances, head surfaces are milled to factory specs, and new valve guides are installed. For F12 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 F12 chassis compatibility.
For 6 Series M6 Convertible engines, worn components are replaced with OEM parts. This includes new pistons, connecting rods, timing chain assembly, and upgraded turbochargers to address F12-specific issues. High-pressure fuel pumps are replaced as these commonly fail in S63 engines for F12 chassis. All gaskets and seals are changed to factory specifications.
S63 twin-turbos from 6 Series M6 Convertible are rebuilt with new bearings, seals, and variable geometry components. Each turbo is balanced and tested to BMW's specifications for F12 applications. The variable geometry actuators are calibrated specifically for the S63 engine in F12 chassis, ensuring proper boost delivery and response. Special tools (BMW 11617587469) are used during this process for F12 S63 engines.
Experts assemble the 6 Series M6 Convertible S63 engine using BMW's torque specifications and procedures. Critical fasteners like head bolts are torqued to 25Nm with threadlocker specific to F12 S63 applications. Timing is set using BMW special tools, and all fluids are filled to F12-specific levels. The engine harness is inspected for F12 compatibility ensuring M6-specific functions operate properly.
Each rebuilt 6 Series M6 Convertible engine undergoes dyno testing on equipment calibrated for F12 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 F12 chassis. Final quality checks include leak testing and M6-specific communication verification.