Used BMW M4 Crankshaft
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A buyer's guide to used BMW M4 crankshaft
No two crankshafts are quite the same across different vehicles, so getting the specifics right matters when you buy used, second hand or a replacement. Answer a few quick questions below and breakers will only quote if they have the exact matching part in stock:
- State whether it's petrol or diesel
- State the engine code if known
Other used BMW M4 parts
Used crankshaft for other BMW models
Fitment questions
Does a crankshaft from an earlier F82 BMW M4 fit a later F82 M4?
The F82 M4 ran from 2014 to 2020 and all used the S55 3.0-litre twin-turbocharged inline-six, so crankshafts from across that generation are drawn from the same engine family. Confirm the engine code on your V5 or via a VIN check and share it with the breaker, as ancillary or bearing specification changes within the production run are best verified against your registration. Never assume fitment is guaranteed without the breaker confirming the full engine code match.
Will a crankshaft from an F82 M4 fit the newer G82 M4?
No — the F82 M4 (2014–2020) used the S55 engine, while the G82 M4 (2021 onwards) uses the entirely different S58 engine, so the crankshafts are not interchangeable. These are distinct engine families with different architecture, dimensions and bearing layouts. Always supply your engine code to the breaker so they can source from the correct engine.
Does it matter whether my M4 is a Competition or standard model when sourcing a crankshaft?
For the crankshaft itself, Competition trim does not affect fitment — both the standard F82 M4 and the M4 Competition used the same S55 engine block and crankshaft. Trim level relates to suspension, exhaust tuning and interior specification rather than internal engine components. Give your engine code to the breaker as the primary identifier and trim can be disregarded for this part.
I have a 2019 M4 — does a crankshaft from a 2015 car fit?
Both a 2015 and a 2019 M4 fall within the F82 generation (2014–2020) and share the S55 engine, so they come from the same engine family. That said, you should share your full engine code with the breaker to allow them to check for any specification changes across those model years. The engine code is the single most useful detail you can provide and will give the breaker the best chance of confirming a safe match.
Does it matter whether my M4 has a manual or DCT gearbox when buying a used crankshaft?
The crankshaft itself is unaffected by gearbox type — both the six-speed manual and seven-speed DCT M4s used the same S55 engine internals. Gearbox type becomes relevant when sourcing driveline or transmission components, not the crankshaft. Stick to the engine code as your key detail when speaking to the breaker.
Does the crankshaft actually exist on all BMW M4 variants, or is it missing on any?
Every BMW M4 variant — across both the F82 generation (2014–2020) and the G82 generation (2021 onwards) — is powered by a petrol internal combustion engine, so all of them have a crankshaft as a fundamental engine component. There are no electric or hybrid M4 variants that would omit it. Simply confirm which engine generation you have (S55 or S58) via your engine code and the breaker can source the correct part.