BMW Z4 Roadster Owner's Handbook Manual page 295

Minimum grade
Unleaded petrol, RON 91.
Engine oil
General
Engine oil consumption depends on the driving
style and operating conditions.
Therefore check the engine oil level regularly
each time you fill up with fuel by taking a detailed
measurement.
Engine oil consumption can be increased, for ex‐
ample in the following situations:
▷ Dynamic driving style.
▷ Running in the engine.
▷ Engine idling.
▷ Use of engine oil grades categorised as un‐
suitable.
Different Check Control messages are shown on
the Control Display, depending on the engine oil
level.
Safety notes
NOTE
Too little engine oil causes engine damage.
There is a danger of damage to property. Top
up with engine oil immediately.
Service products
Online Edition for Part no. xxx - X/18
NOTE
Too much engine oil can damage the engine or
the catalytic converter. There is a danger of
damage to property. Do not top up with too
much engine oil. If there is too much engine oil,
have the engine oil level corrected by a Service
Partner of the manufacturer or another qualified
Service Partner or a specialist workshop.
Electronic oil measurement
General
Electronic oil measurement has two measure‐
ment principles:
▷ Monitoring.
▷ Detailed measurement.
When frequently making short trips or using a
dynamic driving style, for example taking corners
at high speed, regularly perform a detailed meas‐
urement.
Monitoring
Principle
The engine oil level is electronically monitored
during the journey and can be shown on the
Control Display.
If the engine oil level is outside its permissible
operating range, a Check Control message is
shown.
Operating requirements
A current measurement is available after approxi‐
mately 30 minutes of normal driving.
Displaying the engine oil level
Via iDrive:
1. "CAR"
2. "Vehicle status"
3. "Engine oil level"
MOBILITY
295