BMW HP4 Rider's Manual page 157

Pull glass on screw connection
side out of mirror housing.
Remove light source 2 from
light housing by turning it
counterclockwise.
Replace defective light source.
Bulbs for flashing turn
indicators, front
LED
Bulbs for flashing turn
indicators, rear
LED
To prevent dirt from being de-
posited on the glass surface,
always use a clean, dry cloth to
hold the light source.
Install light source 2 in light
housing by turning it clockwise.
Insert inside end of lens into
light housing and close it.
Install screw 1.
9
155
z