36.9
Checking wheel for runout
Checking front wheel for runout
•
Install the wheel without tyre on the balancing
shaft, BMW No. 36 3 614, and balancing stand,
BMW No. 36 3 600.
•
When checking the front wheel, use a pin in the
balancing shaft to prevent it from turning in the
balancing stand.
•
To check the rear wheel, clamp retaining discs,
BMW No. 36 3 615, at left and right on the bal-
ancing shaft so that the shaft cannot wander to
and fro.
L
Note:
Only apply dial gauge to machined inner face of
wheel rim.
Maximum wheel rim runout:
Vertical runout ............................. 0.3 mm (0.012 in)
Lateral runout .............................. 0.3 mm (0.012 in)
Checking rear wheel for runout
•
Attach the rear wheel without tyre to mounting
device (2), BMW No. 36 3 613, and secure on
the centering collar side with wheel studs.
•
Install balancing shaft (1), BMW No. 36 3 606,
with measuring socket (3), BMW No. 36 3 616.
L
Note:
Centre the wheel on the balancing shaft with spac-
ing washers, e.g. Part No. 36 31 1 451 791.
•
Mount the wheel on balancing stand,
BMW No. 36 3 600.
•
To check the rear wheel, clamp locating discs,
BMW No. 36 3 615, on the balancing shaft at left
and right so that the shaft cannot wander to and
fro.
L
Note:
Only apply dial gauge to machined inner face of
wheel rim.
Maximum wheel rim runout:
Vertical runout............................. 0.3 mm (0.012 in)
Lateral runout.............................. 0.3 mm (0.012 in)
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