See also:

Engine data
...

For X3 xDrive28i: Oil levelcheck
The concept The oil level is monitored electronically during driving and shown on the Control Display. If the oil level reaches the minimum level, a check control message is displayed. Displayi ...

Coolant level
Checking 1. Let the engine cool. 2. The coolant level is correct if it lies between the minimum and maximum marks. The marks are on the side of the coolant reservoir. Adding engine oil 1. Let ...