Used Hyundai i30 Body Control Module

The Hyundai i30 runs across distinct generations — the first generation (Mk1) ran from 2007 to 2012, the second generation (Mk2) ran from 2012 to 2017 with a facelift around 2015, and the third generation (Mk3) began in 2017 — and the BCM is not interchangeable across these generation boundaries as each uses different wiring architectures and software. Within the same generation, a BCM from a pre-facelift Mk2 (2012–2015) crossing to a post-facelift Mk2 (2015–2017) may or may not be compatible, so confirm this with the breaker against your exact registration. Always supply your full registration to the breaker so they can match the part precisely.

The BCM controls central locking, lighting, windows and other body functions, and the specification it is programmed to can vary depending on which features are fitted to the car — so a BCM from a lower trim like SE may not include the configuration for features present on a Premium or N Line model. Trim level does therefore matter for BCM compatibility in a way it does not for parts like alloy wheels, because the module must match the fitted equipment rather than just the body style. Confirm with the breaker that the donor car's trim and factory options align with your own vehicle before purchasing.

A 2014 i30 is a pre-facelift Mk2, while a 2016 i30 sits in the post-facelift Mk2 period, and although both are within the same broad generation there were electrical and specification changes at the 2015 facelift that may affect BCM compatibility. This is a boundary crossing you should route to the breaker, providing your full registration and the donor vehicle's registration so they can check part numbers match. Do not assume compatibility based on generation alone.

A used BCM from a Hyundai i30 will almost certainly require programming or coding to your specific vehicle before it functions correctly, as the module is typically married to the car's VIN and security systems during original fitment. This is not something a simple plug-in replacement resolves, and you should factor in the cost of a Hyundai-capable diagnostic tool or specialist to carry out the relearn procedure. Ask your breaker whether they can supply any coding information or known part numbers to assist the process.

The i30 was offered in both 3-door and 5-door body styles during the Mk1 and Mk2 generations, and a BCM from a 3-door variant may be configured differently from a 5-door if the number of door modules or window regulators it manages differs. In practice this can affect how the module is programmed even if the hardware looks identical, so confirm the donor car's body style matches yours when speaking to the breaker. Supplying both registrations gives the breaker the best chance of making an accurate match.

Give the breaker your full UK registration plate, which lets them identify your exact model year, generation, engine, trim, and factory-fitted options — all of which can influence which BCM was installed at the factory. If you can also supply the part number from your existing BCM (usually printed on a label on the unit itself), that is the most reliable way to ensure a match. A reputable breaker will cross-reference both pieces of information before quoting, so never accept a BCM based on year alone.