64 11 992 Removing and installing/replacing solar sensor
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2003 BMW 540i, 2002 BMW 540i, 2001 BMW 540i, 2000 BMW 540i, and 1999 BMW 540i. However, it is still accessible from the selected car via links, so may be relevant.
Remove trim for instrument panel (upper section).
Feed out cable (1) from solar sensor (2) behind ventilation duct (3).
Detach solar sensor (1) upwards out of instrument panel.