BMW X5: Engine Mechanical Overview
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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
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
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 DISTRIBUTION BOX (LUGGAGE COMPARTMENT)
WARNING: Observe safety instructions for handling vehicle battery.
Necessary preliminary tasks:
Disconnect battery negative lead.
Remove flap in luggage compartment panel on right.
Release expansion rivet (1).
Remove insulating mat (2).
Fig. 143
Necessary preliminary tasks:
Disconnect battery negative lead.
Remove lower trim from instrument panel.
Release screws (1).
Fig. 10: Identifying Heater/Air Conditioner Fan Screws
Release screws (1) and remove air duct (2).
Fig. 11: Identifying Air Duct With Screws
Release screws (1).
Fig. 12