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
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NOTE: If the guide 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.
Unscrew nut (1).
Remove guide arm (2) from wheel carrier.
In
IMPORTANT: Changes in axle geometry caused by accidents must under no
circumstances
be rectified by camber adjustment!
NOTE: The upper control arm may only be replaced if the camber is
outside the
specified tolerance after toe adjustment.
Adjust toe-in.
Check camber values; if necessary, replace u