What sort of service do you want? We have three service levels...

Level One.
New oil filter, oil, and air filter. and a 20 point service check.

Level Two.
First stage. Engine clean internal using an additive to clean out the burnt carbon,
Second Stage. Running the engine to circulate the oil aditive.
Third Stage. Full drain, oil filter and air filter off along with cabin filter,
Forth Stage. Diesel fuel filter changed (on diesels only) petrol if needed
Fifth Stage. Refill oil, check all fluids and tyres, quick engine external clean.

Level Three.
First section as on level two service,
Sixth Stage. Brake fluid, brake pads and drums checked for wear,
Seventh Stage. Full check of the car including pipes greasing up and quick car wash.