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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System Functions
The following system functions are described:
Power management
Electronic immobilizer
Comfort start
Air supply: 2-stage differentiated air intake system "DISA"
Charge monitoring
"Valvetronic" variable valve gear
"VANOS" variable camshaft control
Fuel supply system
Fuel injection
Ignition-
Intake Manifold
REMOVING AND INSTALLING AIR INTAKE MANIFOLD (N52K)
Necessary preliminary tasks:
Remove Tension Strut
Remove Intake Filter Housing
Remove Ignition Coil Cover
Open holder (2).
Disconnect plug connection (1) under of air intake manifold.
Release both crankcase breathers (3).
Fig. 263: Crankcase
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