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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 Overview Of Sensors For Airbag System

Fig. 53: Location Of Airbag System Airbag control unit (under centre console) Acceleration sensors, front (left/right) Sensors, front door (left/right) Sensors, B-pillar (left/right) REMOVING AND INSTALLING/REPLACING AIRBAG CONTROL UNIT IMPORTANT: Read and comply with notes on protection agai

 Mounting Engine On Assembly Stand (N52K)

Special tools required: 00 1 450 ASSEMBLY STAND 11 3 370 11 4 440 11 9 261 11 9 265 IMPORTANT: Aluminium screws/bolts must be replaced each time they are released. The end faces of aluminium screws/bolts are painted blue for the purposes of reliable identification. Jointing torque and angl

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