Possible Displays; Checking The Oil Level - BMW 2006 Z4 3.0i2006 Z4 3.0si Owner's Manual

The warning lamp lights up in yellow
within 30 seconds after the engine is
started: The oil level sensor is defec-
tive:
It is not possible to issue a current or accurate
measurement. Have the system checked as
soon as possible.

Checking the oil level

Your car is equipped with an electronic oil-level
monitor.
For a precise measurement and display of the
oil level, it is necessary that the engine be at
operating temperature, i.e. after uninterrupted
driving for at least approx. 6.5 miles/10 km. You
can have the oil level displayed while you are
driving, or while the vehicle is at a standstill on a
level surface and the engine is running.
You can have the oil level reading displayed in
the instrument cluster.
Press button 1. The oil level is checked and dis-
played for approx. 15 seconds.
To exit the display sooner, press button 1 again.
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Possible displays

1 Oil level OK
2 Oil level is being checked.
This can take about 3 minutes if the car is at
a standstill on a level surface, or about
5 minutes while the car is on the move.
3 Oil level down to minimum:
Add 1 US quart/1 liter of engine oil as soon
as possible, refer also to Adding engine oil.
4 Oil level is too high.
Have the vehicle checked immedi-
ately, as excessive oil can damage the
engine.<
5 The oil level sensor is defective:
it is not possible to issue a current or accu-
rate measurement.
Do not add engine oil. You can continue
your journey. Have the system checked as
soon as possible.