78n
Coolant temperature gauge Service Interval Display
Blue
The engine is still cold. Drive at
moderate engine and vehicle speeds.
Red
When you switch on the ignition, the
warning lamp comes on briefly to
confirm that the system is operational.
If the warning lamp comes on while
driving or the message "COOLANT
TEMPERATURE" appears in the Check
Control
*: the engine is overheated.
Shut off the engine immediately and
allow it to cool down.
390de007
Between the blue and red zones
Normal operating range. It is not
unusual for the needle to rise as far as
the edge of the red zone in response to
high outside temperatures or severe
operating conditions.
Checking coolant level: refer to
page
160.
The range of available displays varies
according to your individual vehicle's
equipment.
Green lamps
The number of illuminated lamps
decreases as the time for your next
maintenance visit approaches.
Yellow lamp
This field appears together with
OILSERVICE or INSPECTION.
Maintenance is due. Please contact
your BMW center for an appointment.
Red lamp
The maintenance deadline has been
passed.
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