BMW TSB #B630515
2015 BMW M3
Affected Component: EXTERIOR LIGHTING:BACK UP LIGHTS
- Summary
- "Reverse Light is Intermittently Inoperative. CCM (Check control message) is displayed indicating a ""reverse light"" is out. CAUSE There is a weak spring in bulb socket or bulb carrier (on the luggage compartment lid) which is causing a bad contact with the bulb."