BMW X5: Integrated Suspension Systems

 Performance Controls

Cooling System The cooling system of the N54 engine consists of a radiator circuit and an isolated oil cooling circuit. The fact that there is an isolated oil-cooling circuit ensures that heat is not introduced via the engine oil into the engine's coolant system. Fig. 71: Identifying Cooling S

 Fuel recommendation

General information Depending on the region, many filling stations sell fuel that has been customized to winter or summer conditions. Fuel that is available in winter, for instance helps make a cold start easier. Gasoline General information For the best fuel efficiency, the gasoline should be sulfu