See also:

Checking the engine oil level
Your car is equipped with an electronic engine oil level check. Requirements ▷ The engine must be running and warm after the vehicle has been driven for at least 6.2 miles/10 km. ▷ ...

1982: the second generation - four-door, Convertible, Touring and BMW M3, plus the first diesel engine for the sports sedan
The new BMW 3-Series oozed progress and variety out of every pore, as its fresh new design, optimised aerodynamics, improved space and comfort, higher output and additional body and engine variant ...

Coolant temperature
Should the coolant, and with it the engine, become too hot, a Check Control message is displayed. Check the coolant level. ...