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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Replacing One Upper Control Arm
NOTE: If the control arm is detached from the rear axle carrier, it is
necessary after
reinstallation to carry out a wheel/chassis alignment check.
Necessary preliminary tasks:
Remove rear wheel.
Deactivate and empty air spring system.
Shown on vehicle at rear right:
Remove holders (1) from con
Emergency wheel
Principle
In the event of a flat tire, the emergency wheel
can be used in place of the wheel with the defective
tire. The emergency wheel is only intended
for temporary use until the defective tire/wheel
has been replaced.
General information
Mount one emergency wheel only.
Also check the tire infla
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