I take the MOT as service interval. I dont drive that many miles a year (about 9500). Servicing in my book means:
-oil
-oil filter
-petrol filter
-sparks
-interior filter
-wiper blades (if needed)
-air filter (if needed)
-oil
-oil filter
-petrol filter
-sparks
-interior filter
-wiper blades (if needed)
-air filter (if needed)