See also:

The BMW X3 xDrive28i: 6-cylinder power for the entry model.
For the US, the entry-level BMW X3 xDrive28i will feature BMW's award-winning magnesium/aluminum 3.0-liter inline-6. In 2006 and 2007, the "N52" was awarded the distinction of being one ...

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

Reference
This chapter contains technical data, short commands for the voice activation system, and an index that will quickly take you to the information you need. ...