Compare 6 Series 640d xDrive Convertible engine prices. Rebuilt N47D20C/B47D20A units for F06 chassis (2011-2018) with 12m unlimited mileage warranty from UK suppliers.
Need a reliable replacement engine for your BMW 6 Series 640d xDrive Convertible ?
Engine Finders specializes in 640d xDrive Convertible engines with solutions for common N57D30T failures.
Includes updated high-pressure fuel pump for N57D30T reliability.
Fully stripped and rebuilt to factory specs with enhanced turbo components.
Thoroughly inspected with updated EGR valves for F12/F13 reliability.
Direct swap engines for minimal downtime with xDrive compatibility.
Cleaned, tested, and performance-tuned with reinforced timing chain.
Affordable options with verified mileage and full service history.
Engine Finders connects UK drivers with vetted specialists for reliable, reconditioned BMW 6 Series 640d xDrive Convertible replacement engines. From the N47D20C diesel (2011-2015) to the B47D20A variant (2015-2018), we focus exclusively on engines built for the F06 chassis. Whether you need a replacement due to specific EGR valve failures in the N47D20C 6 Series 640d xDrive Convertible or timing chain issues exacerbated by the model’s unique oil pressure regulation, Engine Finders makes it easy to locate the right engine, fast.
Unlike generic replacements, our kits include updated guide rails calibrated for the F06’s engine bay geometry.
Our reconditioned N47D20C engines for the 6 Series 640d xDrive Convertible include upgraded EGR coolers (OEM 11427583457) and revised valve housings to combat carbon buildup unique to the F06’s airflow path-addressing the #1 cause of limp mode in 2012-2014 models per Bimmerforums UK technician reports.
For 2015-2018 6 Series 640d xDrive Convertible models with the B47D20A engine, we recalibrate injectors (OEM 13538612983) using ISTA+ software to match F06-specific rail pressure curves-eliminating cold-start misfires common in UK climate conditions, as confirmed by BMW UK technical circular TC-B47-09/16.
We verify turbocharger (OEM 11657613598) actuator coding matches the 6 Series 640d xDrive Convertible’s DME map-critical because the F06’s convertible roof mechanism alters engine load profiles versus saloon variants, causing premature wastegate failure if mismatched.
Our N47D20C rebuilds for the 6 Series 640d xDrive Convertible include modified piston rings (OEM 11127585321) and updated PCV valves (OEM 11157583210) to counter excessive oil consumption caused by the F06’s aggressive VANOS settings-a known issue in BMW TSB SWE-19-03 affecting 2013-2015 convertibles.
Reconditioned B47D20A engines for the 6 Series 640d xDrive Convertible include recalibrated AdBlue dosing modules (OEM 11717612456) to prevent NOx sensor errors triggered by the convertible’s unique exhaust routing-verified against BMW UK’s 2017 emissions compliance bulletin.
We supply hydraulic engine mounts (OEM 11127586432) engineered exclusively for the 6 Series 640d xDrive Convertible’s F06 platform to absorb torsional stress from the open-top structure-preventing drivetrain shudder that generic mounts fail to address.
All replacement engines for the 6 Series 640d xDrive Convertible include thermostats (OEM 11537582109) and water pumps calibrated for UK temperature ranges, resolving overheating issues linked to the F06’s compact radiator layout-a frequent complaint on BMW Owners Club forums.
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 640d xDrive Convertible replacement engines. From the N57D30 diesel to B57D30A variants, we source engines specifically for your 6 Series 640d xDrive Convertible . Whether you need a replacement due to specific high-pressure fuel pump failures in the N57D306 Series 640d xDrive Convertible or turbocharger issues, Engine Finders makes it easy to locate the right engine, fast.
The BMW 6 Series 640d xDrive Convertible has been produced across two generations: the F12/F13 (2011-2017) and G30 (2017-2023). The F12 generation features the N57D30 diesel engine with twin-turbocharging and xDrive all-wheel drive, while the G30 generation upgraded to the B57D30 diesel unit. The N57D30 in the 6 Series 640d xDrive Convertible from 2011-2017 often suffers from high-pressure fuel pump failure and EGR cooler issues. The B57D30 engines in the later G30 generation improved fuel system reliability but retained similar turbocharger concerns. Both generations benefit from xDrive's all-wheel-drive system, which adds complexity to engine replacement procedures for the 6 Series 640d xDrive Convertible .
The 6 Series 640d xDrive Convertible features specific diesel engine codes tailored to its luxury convertible application and xDrive system integration.
Each engine code is specifically calibrated for the 6 Series 640d xDrive Convertible 's weight distribution, xDrive system integration, and convertible-specific cooling requirements. Proper ECU programming is essential when replacing engines in the 6 Series 640d xDrive Convertible to maintain optimal performance.
When purchasing engines for your 6 Series 640d xDrive Convertible , you have three main options: used, reconditioned, and remanufactured.
For 6 Series 640d xDrive Convertible with N57D30 engines, we recommend reconditioned units due to common high-pressure fuel pump and turbocharger failures. All engines for the 6 Series 640d xDrive Convertible undergo compatibility verification with xDrive system integration.
Our reconditioned 6 Series 640d xDrive Convertible engines include comprehensive component replacement addressing the most common failure points.
Each 6 Series 640d xDrive Convertible engine undergoes dynamic bench testing to verify power output, emissions compliance, and xDrive system communication before shipping.
Reconditioned engines for the 6 Series 640d xDrive Convertible come with comprehensive warranty coverage.
Please note: Engine Finders is a price comparison website. Warranty terms are provided by the individual supplier and may vary. Always verify warranty details directly with the engine supplier for your 6 Series 640d xDrive Convertible .
When your engine fails, BMW 6 Series 640d xDrive 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.
Step 1: Complete Disassembly
Specialists carefully disassemble the N57D30T engine block from the F12/F13 640d xDrive Convertible, cataloguing each component for inspection and cleaning.
Step 2: Component Inspection
Each part undergoes rigorous testing for wear patterns specific to the 640d xDrive Convertible's N57D30T engine, identifying high-pressure fuel pump and EGR system issues.
Step 3: Precision Machining
The engine block receives precision boring and honing to factory specifications, ensuring optimal performance for the 640d xDrive Convertible's xDrive system requirements.
Step 4: Critical Component Replacement
Updated high-pressure fuel pump components and reinforced timing chain are installed, addressing known failure points in the 640d xDrive Convertible N57D30T engine.
Step 5: Assembly with OEM Parts
Using BMW-specific torque specifications and updated parts for the F12/F13 model, technicians rebuild the engine with xDrive transmission compatibility.
Step 6: Bench Testing
The completed 640d xDrive Convertible engine undergoes comprehensive testing to verify performance parameters and xDrive system integration before delivery.