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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REMOVING AND INSTALLING/REPLACING AIR PUMP (N62)
Remove upper section of intake filter housing.
Release retaining screws on coolant expansion tank.
Remove suction filter housing.
Remove raw air housing.
Unlock and disconnect pressure and suction lines (1).
Loosen screws (2).
Loosen screw (3).
Pedal Mounting Block
REMOVING AND INSTALLING (REPLACING) COMPLETE BEARING BLOCK FOR
FOOT PEDAL
Necessary preliminary tasks:
Remove pedal trim.
IMPORTANT: After completion of work, carry out function check.
Release screws (1).
Remove air duct (2).
Fig. 1: Identifying Air Duct And Screws
Disconne