Have your vehicle winterproofed at a qualified specialist workshop at the onset of winter.
Observe the notes in the "Changing a wheel" section .
Problems with the fuel and fuel tank
...
M+S tires
WARNING
M+S tires with a tire tread depth of less than
in (4 mm) are not suitable for use
in winter
and do not provide sufficient traction. There
is a risk of an accident.
M+S tires with a tr ...
MOExtended tires (tires with run-flat
properties)
General notes
With MOExtended tires (tires with run flat
characteristics), you can continue to drive
your vehicle even if there is a total loss of
pressure in one or more tires. The affected
tire ...