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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 Changing wheels/tires

General information When using run-flat tires or a flat tire kit, a wheel does not always need to be changed immediately when there is a tire pressure loss due to a flat tire. If needed, the tools for changing wheels are available as accessories from a dealer's service center or another qualified s

 Drawing Off, Evacuating And Filling A/C System (R 134A)

WARNING: Refrigerant circuit is under high pressure! Repair work may only be carried out on a DEPRESSURIZED refrigerant circuit! Avoid contact with refrigerant and refrigerant oil. Follow safety instructions for handling refrigerant R 134a. Follow safety instructions for handling refrigerant oil. I

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