BMW 3 SERIES SEDAN Owner's Manual page 204

Mobility
Turn signal
21-watt bulb, PY21W
1. If necessary, pull the inside trim of the wheel
house slightly inward. Turn the bulb holder
counterclockwise and remove.
2. Press the bulb gently into the socket, turn
counterclockwise and remove.
3. Install the new bulb and bulb holder in re‐
verse order of removal.
4. Attach the cover to the wheel house.
204
Replacing components
Online Edition for Part no. 01 40 2 917 801 - II/13
Low beams
55-watt bulb, H7
1. Turn the cap counterclockwise and remove.
2. Tilt the bulb down and then up to loosen it
from the holder and remove.
3. Pull the connector off the bulb.
4. Attach the connector to the new bulb.
5. First insert the bulb at the top with the strap,
arrow 1, and then press down firmly, arrow 2.
Make sure that the bulb snaps into place.
6. Close the headlamp housing with the cap.
Make sure that the cap engages.
7. Attach the cover to the wheel house.