Adjusting Rear Abs Sensor Gap; Marking Sensor Wheel; Checking And Adjusting Sensor Gap - BMW R 1100 S Repair Manual

Adjusting rear ABS sensor gap

Marking sensor wheel

•
Before removing/installing, clean the sensor
bore.
•
Using Torx T 25, remove the sensor.
•
Screw dial gauge holder with measuring shoe
and extension, BMW No. 34 2 520, with dial
gauge, BMW No. 00 2 510, firmly to the sensor
mount.
•
Zero the dial gauge.
•
Measure axial runout over the entire circumfer-
ence.
•
Using a touch-up marker, indelibly mark the
point where the sensor is farthest away from the
sensor ring.
e
Caution:
If parts are replaced (brake disc etc.) and a used or
previously marked sensor ring is installed, the sen-
sor ring must be measured and marked again.
Remove the old marking.
34.14
34 2 520

Checking and adjusting sensor gap

•
Check/adjust at the marked point.
•
If necessary, remove/install sensor with
Torx T 25 and adjust sensor gap with shims.
e
Caution:
After adjusting, rotate the wheel and check that the
sensor is clear at all times.
Sensor gap:........ 0.45...0.55 mm (0.018...0.022 in)
X
Tightening torque:
Sensor ...........................................handtight, 4 Nm
00 2 510
S340050