Second Hand BMW 8 Series Ignition Switch

The modern BMW 8 Series (G15 coupe, G14 convertible, G16 Gran Coupe), produced from 2018 onwards, does not use a traditional barrel-type ignition switch — it uses a push-button start system, so there is no conventional ignition switch to replace. If your car is not starting or you have an electrical fault around the start system, the part you are most likely looking for is the start/stop button, the ELV (electronic steering column lock), or a related control module. Speak to a breaker about your specific fault before ordering, as the correct part will depend on your exact symptoms and registration.

That is because the G-generation BMW 8 Series (2018-present) was never built with a traditional keyed ignition switch — the entire range, across all engines and trim levels including M850i, 840d, and M8, uses keyless push-button ignition as standard. You will not find a conventional ignition switch in a breaker's yard from an 8 Series because it simply was not fitted to any variant. If you are chasing a starting or immobiliser fault, ask a breaker specifically about the start button assembly, the CAS (Car Access System) module, or the steering lock unit instead.

No — the current 8 Series uses a fundamentally different start system to older BMWs that did have a keyed ignition barrel, so parts from those earlier cars are not compatible and would not make sense to fit. The underlying wiring, CAS modules, and ELV systems are entirely different generations of technology. If you have been advised you need an ignition-related part, confirm exactly which component is faulty with a BMW specialist or breaker before searching.

Trim level — whether you have an 840i, M850i xDrive, or M8 Competition — does not change the fundamental push-button start architecture, as all 8 Series variants use the same keyless entry and start system. However, individual components such as the start button surround or steering column assembly may have cosmetic differences between trims, so make that clear to the breaker when getting a quote. What matters for the correct part is your vehicle's build date and full registration, not the trim name.

No — every variant of the BMW 8 Series sold in the UK, from the 2018 launch through the full G15, G14, and G16 range, was built exclusively with push-button start and no traditional ignition switch. There is no engine variant, body style, or trim level of this generation that came with a keyed ignition barrel. If someone has listed an 'ignition switch' for an 8 Series, it is worth querying exactly which component they mean before purchasing.