BMW HP4 Rider's Manual page 151

Remove bulb 2 from
light housing by turning it
counterclockwise.
Replace defective bulb.
Bulbs for flashing turn
indicators, front
RY10W / 12 V / 10 W
Bulbs for flashing turn
indicators, rear
RY10W / 12 V / 10 W
To prevent contaminants from
being deposited on the new
bulb's glass surface, always use
a clean, dry cloth to hold it.
Install bulb 2 by screwing
clockwise into light housing.
Insert inside end of lens into
light housing and close.
Install screw 1.
Diode tail light
If more LEDs have burned out in
the tail light than are indicated in
the Technical Data below, the tail
light bulb must be replaced. In
this case:
Contact an authorized service
facility, preferably an authorized
BMW Motorrad retailer.
Maximum number of de-
fective LEDs in taillight
1
9
149
z