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Used BMW 6 Series Timing Chain

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Buying a used BMW 6 Series timing chain: what matters

Fitment on a used timing chain 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:

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Fitment questions

Does a BMW 6 Series have a timing chain or a timing belt?

All BMW 6 Series engines across both the E63/E64 generation (2003–2010) and the F06/F12/F13 generation (2011–2018) use timing chains rather than timing belts, so there is no scheduled belt replacement interval. This applies to the petrol straight-six, V8, V10, and V12 engines, as well as the diesel straight-six units. You are looking for the right part on this model.

Will a timing chain from an E63 630i fit my E63 635d?

Almost certainly not — the 630i uses a petrol straight-six (engine code N52 or N53) while the 635d uses a diesel straight-six (M57 family), and these are entirely different engines with different chain configurations. The engine code is the single most useful piece of information here: check your V5 or run a VIN check to confirm the exact code before asking a breaker for a quote. Never assume a chain transfers across fuel types even within the same body generation.

Does the trim level affect which timing chain I need — for example 635d Sport versus 635d SE?

No — Sport, SE, M Sport, and any other trim designation on the BMW 6 Series are cosmetic and equipment packages that make no difference to the engine internals. The timing chain is determined entirely by engine code, not by the trim badge. Tell the breaker your engine code and they will source the correct chain regardless of what trim the donor car wore.

Can I use a timing chain from a pre-facelift E63 on a post-facelift E63?

The E63/E64 received a facelift in 2007, and while many engine codes carried over, there were mid-production engineering revisions that can affect ancillary chain components and tensioners. You should name the boundary — pre-2007 versus post-2007 — to your breaker and ask them to confirm compatibility against your specific registration, because it is not safe to assume a direct swap across that year.

I have a 2014 640i F12 — will a timing chain from a 2011 640i fit?

Both the 2011 and 2014 640i fall within the F12/F13/F06 generation (2011–2018) and should share the N55 straight-six engine code, which makes a same-code chain the starting point for any search. However, confirm your exact engine code via a VIN check and ask the breaker to verify against your registration, as component revisions can occur mid-generation without a formal facelift. Providing the engine code gives the breaker the clearest possible basis for matching the part.

Does the 6 Series Gran Coupe (F06) use the same timing chain as the Coupe (F13) with the same engine?

Body style — whether Coupe, Convertible, or Gran Coupe — has no bearing on the timing chain, which is purely an engine-internal component. If the F06 and F13 share the same engine code, which they will when the same powertrain is offered across body styles, the timing chain is the same part. Confirm the engine code on both vehicles and your breaker will be able to advise confidently.