A number of people have asked for the following information.

From G13BB manual

  Type Quantity Specification
Engine Oil   4.5 litres 10W - 30 (UK recommended)
Gearbox Oil API GL-4 1.3 litres 75W - 90
Transfer Box Oil API GL-4 0.9 litres  75W - 90

Differential Oil (Front)

API GL-5 1.35 litres 80W - 90
Differential Oil (Rear) API GL-5 1.5 litres 80W - 90
Coolant Capacity   4.5 litres  

 

 

From M13AA manual

  Type Quantity Specification
Engine Oil   4.0 litres 10W - 30 (UK recommended)
Gearbox Oil API GL-4 1.1 litres 75W - 90
Transfer Box Oil API GL-4 0.8 litres  75W - 90

Differential Oil (Front)

API GL-5 1.1 litres 80W - 90
Differential Oil (Rear) API GL-5 1.3 litres 80W - 90
Coolant Capacity   4.5 litres  
A/T Fluid/Power Steering Dextron IIE 1.1 litres  
Brake Fluid DOT3