BMW X5: Engine Mechanical Overview
BMW X5 (G05) 2019-2026 Service & Repair Manual / Engine Service Information / 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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Changing Front Differential Oil
WARNING: Danger of poisoning if oil is ingested/absorbed through the
skin!
Risk of injury if oil comes into contact with eyes and skin!
IMPORTANT: Use only the approved front differential oil in this front
differential.
Failure to comply with this requirement will result in serious damage
to the
Regulator
REPLACING VOLTAGE REGULATOR
Necessary preliminary tasks:
Switch off ignition
Disconnect battery negative lead.
Notes on removing and installing electronic control units.
Remove alternator
Bosch:
Release protective caps (1).
Fig. 40: Inserting Screwdriver Between Cover And Threaded Pin
Bosch:
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