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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 Safety belts

General information The vehicle is fitted with five or seven safety belts to ensure occupant safety. However, they can only unfold their protective effect when adjusted correctly. Always make sure that safety belts are being worn by the occupants before driving off. The airbags supplement the safety

 Engine Wiring Loom

REPLACING WIRING HARNESS SECTION FOR ENGINE (N62) Necessary preliminary tasks: Read out DME fault memory Disconnect battery negative lead ENGINE BONNET/HOOD in assembly position Remove FRESH AIR DUCT on right and if necessary on left Remove center of ASSEMBLY PARTITION WALL Remove intake air

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