BMW TSB #660612
2012 BMW 640
Affected Component: LANE DEPARTURE: WARNING
- TSB Document
- Sorry, the NHTSA has not posted this TSB document yet.
You can still get the detailed info from BMW for this TSB. Call your local BMW dealer's service department & ask for a copy of TSB# 660612.
- Lane Change Warning Lamps on Side View Mirrors Are Too Dark. The lane change warning lamps (small and triangle-shaped) on the exterior door mirrors are too dark. This may occur when driving from light to dark conditions, such as: * Entering a tunnel * At twilight CAUSE: RLSS (Rain Light Solar Sensor) hardware error.