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Fitment on a used differential varies by vehicle, so a bit of detail goes a long way. Our request form covers what breakers need to know, so every quote you get back is for the correct part:
The E63/E64 generation ran from 2003 to 2010, covering coupe and convertible body styles throughout that run. Within that generation, differentials are closely tied to engine code and gearbox type rather than model year alone, so a unit from a 2004 car may well suit a 2008 car if those details match — but confirm the exact ratio and mounting spec with the breaker against your registration before buying.
The F12 (convertible), F13 (coupe), and F06 Gran Coupe all share the same F-series platform and ran from 2011 to 2018, so the underlying drivetrain architecture is common across all three body styles. Fitment is driven primarily by engine code and gearbox type rather than which body style the donor car came from, so supply your engine code and registration to the breaker and they can match the ratio and flange type correctly.
Trim level itself makes no difference to differential fitment; what matters is the engine code, as the 640d and 630d use different engines producing different outputs, which can mean different final-drive ratios. Give the breaker your engine code from the V5 or a VIN check rather than relying on the badge, and they will confirm whether the ratios and flanges match your car.
The F-series 6 Series received its LCI facelift in 2015, so a 2014 car is pre-facelift. The facelift brought styling and electronics updates rather than fundamental drivetrain changes, but whether a specific differential crosses that 2015 boundary without issue is something to confirm with the breaker against your registration, as ancillary and mounting details can change mid-production.
Both are petrol but they use different engine codes and significantly different power outputs, which typically means different final-drive ratios, so they are not automatically interchangeable even within the same generation. Always quote your engine code to the breaker rather than just the fuel type or badge, as that is the detail that determines which unit is correct for your car.
The E63 and E60 do share platform architecture, and some drivetrain components do cross over, but differential ratios and flange specifications vary by engine code and gearbox type rather than by model. This is a cross-model fitment question that really needs the breaker to compare both registrations or engine codes directly, so supply both sets of details and let them confirm compatibility before purchasing.