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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IMPORTANT: Read and comply with notes on protection against
electrostatic damage (ESD
protection).
Necessary preliminary tasks:
Read out fault memory of DME control unit; if necessary, work through
test schedules
If necessary, remove radiator cover
Unlock plug (1) and remove. Release bolt.
R
Special tools required:
11 9 470
11 9 473
(cylinder bank 1 to 4)
Necessary preliminary tasks:
Removal of rocker arms is described separately from installation.
Remove servomotor for right eccentric shaft.
Remove ignition coils on cylinder bank 1 to 4.
Remove right cylinder head cover.
Re