BMW X5 Owners & Service Manuals

BMW X5: Engine Mechanical Overview

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 Crankcase

As far as the physical appearance and dimensions, the crankcase on the N54 is the same as the N52. The main change is in the materials, the N54 uses an all aluminum alloy crankcase. There is also ca

 Bolts

Although, the N54 engine has an all aluminum crankcase, many of the bolts are still aluminum as on the N52. This is to reduce any potential confusion between steel and aluminum bolts. Some bolts, fo

 Cylinder Head Cover

As stated before, the cylinder head cover used on all of the new NG6 engines is made from plastic. However, the design differs between the engines due to engine equipment. For example, the N54 engi

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 Air Conditioner Refrigerant

FREON The refrigerant Freon R12 is used in most BMW automobiles with an air conditioner up through the 1992 model year. It has a boiling point of - 29.8ºC (sea level), at which the refrigerant is transformed from a liquid into a gaseous state. This boiling point, however, is not constant. It is

 Washing the vehicle

General information Regularly remove foreign objects such as leaves in the area below the windshield when the hood is raised. Wash your vehicle frequently, particularly in winter. Intense contamination and road salt can damage the vehicle. Steam cleaner and high pressure cleaner Safety information

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