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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 Rear automatic climate control

Overview Buttons in the vehicle Climate control functions Temperature. Maximum cooling. AUTO program. Air flow, manual. Intensity Auto program. Air distribution, manual. Seat heating. Switching climate control functions on/off Functional requirement The rear automatic climate control is not ready

 Refrigeration Oil

OIL USED IN FREON-CHARGED SYSTEMS A mineral-based oil is used. The oil level in the compressor must be checked before filling an air conditioner with refrigerant. It can be checked only if the system is without refrigerant. Always check the oil level each time a new system is filled with Freon R12

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