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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 Blue/Gray/White lights - Indicator/warning lights

Blue lights High beams High beams are switched on. Additional information: High beams. Drive power Reduced drive power due to a cold drivetrain. Additional information: Power gauge. Gray lights Active Cruise Control with Stop&Go function Indicator light is illuminated: the system is interrupt

 Auto Start/Stop function

Principle The Auto Start/Stop function helps save fuel. The system switches off the engine during a stop, for instance in traffic jam or at traffic lights. Drive-ready state remains switched on. The engine starts automatically for driving off. General information After each engine start using the

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