Disassembling telescopic fork
Remove bleed screw (1).
Remove oil drain plug (2) and allow the oil to drain out.
Remove the fixed tube.
Remove wiper (3) and retaining ring (4).
Lever out shaft seal (5).
Caution! Do not damage fork slider tube.
Remove washer (6).
Assembling telescopic fork
Install oil drain plug (2).
Caution! Install new O-ring (7). Check that the O-ring is correctly seated.
Fill with oil.
Capacity per fixed tube: 0.47 l (0.82 Imp.pint/0.49 US quart)
Oil grade in telescopic fork: BMW telescopic fork oil
Note: No oil changes required during services: unit is maintenance-free.
Install fixed tube.
Install washer (6).
Push the lightly oiled shaft sealing ring fully up to the stop on the slider tube, then press home by tapping lightly and using threaded bush, BMW # 31 5 611, expander, BMW # 31 5 612, and reducing adapter, BMW # 31 5 613.
Install retaining ring and dust wiper.
Insert bleed screw (1).
Bleed telescopic forks under zero load.
Tightening torque: Screw plug to fixed fork tube — press-fit - do not remove!