Intermittent operation or rain sensor
The concept
The rain sensor automatically controls the time between wipes depending on the intensity of the rainfall. The sensor is located on the windshield, directly behind the interior rearview mirror.
Activating/deactivating

Press the button on the wiper lever.
The LED in the steering column stalk lights up.
Deactivate the rain sensor in car washes
Deactivate the rain sensor when passing
through an automatic car wash; otherwise, damage
could be caused by undesired wiper activation.◄
Setting the frequency or sensitivity of the rain sensor

Turn the thumbwheel.
See also:
The concept
Indicator/warning lamps
The indicator and warning lamps can light up in
a variety of combinations and colors.
Several of the lamps are checked for proper
functioning when the engine is started ...
Vehicle information
Owner's Manual
Computer
Vehicle
...
1 Series M
Rather than the single-turbo setup from the 135i, the 1 Series M gets a
twin-turbo six-cylinder that's good for 335 hp and 332 pounds-feet of torque. In
extreme situations, the 1 Series M can ente ...
