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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 General Information On Intelligent Battery Sensor (IBS)

WARNING: Danger of destruction in event of mechanical strain Do not introduce any additional connections at the battery negative terminal. Do not modify the grounding cable. The grounding cable also serves to dissipate heat. Do not establish any connection between the IBS and the sensor scr

 Headlights

REMOVING AND INSTALLING/REPLACING LEFT HEADLIGHT Operation is described in: Removing and installing/replacing left headlight (adaptive headlight). REMOVING AND INSTALLING/REPLACING RIGHT HEADLIGHT Operation is described in: Removing and installing left headlight. REMOVING AND INSTALLING OR REPLACING

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