Does Fitting Used Genuine BMW Parts Affect Your MOT?
Image: BMW X3 Series Engine ECU Control Unit Set for B57D30B engine, G01 model for £569.99, at mtautoparts.com A question that comes up regularly from BMW owners considering used parts: will fitting a used genuine BMW part affect the MOT? It is a reasonable thing to wonder, particularly for owners unfamiliar with how the test actually works. The short answer is no, but understanding why helps clarify what the MOT actually checks, which parts do carry specific legal requirements, and why genuine original parts are relevant to the question even if the test does not directly ask where they came from. What the MOT Actually Tests The MOT test assesses whether a vehicle meets minimum road safety and environmental standards at the moment of testing. An MOT tester checks whether components function correctly and are in a condition that meets the standard. They do not check, and are not required to check, whether parts are new, used, dealer-supplied, or sourced from a specialist used car...