Controls and features -> Service Interval Display for your BMW 5 Series 1995-2003

Coolant temperature  
Service Interval Display  
71n  
Blue  
Green lamps  
The engine is still cold. Drive at  
moderate engine and vehicle speeds.  
The number of illuminated lamps  
decreases as the time for your next  
maintenance visit approaches.  
Red  
Yellow lamp  
If the warning, "COOLANT TEMPERA-  
TURE" appears in the Check Control:  
the engine is overheated. Shut off the  
engine immediately and allow it to cool  
down.  
This field appears together with  
OILSERVICE or INSPECTION.  
Maintenance is due. Please contact  
your BMW center for an appointment.  
Between the blue and red zones  
Red lamp  
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.  
The maintenance deadline has been  
passed.  
Checking coolant level: page 141.