I am taking my M for an annual service and MOT (UK annual roadworthiness test) next week. Prior to reading Elsi's post on gearbox failure I was just going to ask for engine oil and filters change. I will add gearbox oil to the list. What else? Brake fluid? Plugs? Last major was 2.5 years ago with all the above plus cam belts etc. Engine oil and filters a year ago.