Buckling the belt

Make sure you hear the latch plate engage in the belt buckle.
See also:
ConnectedDrive or BMW Assist
...
Engine oil temperature
When the engine is at normal operating temperature, the engine oil temperature
is between approx. 210 7/100 6 and approx. 300 7/150 6.
If the engine oil temperature is too high, a message appears ...
Oil types for refilling
Notes
No oil additives
Oil additives may lead to engine damage.◀
Viscosity grades for engine oils
When selecting an engine oil, ensure that
the engine oil belongs to one of the viscosity ...
