Necessary preliminary work:
Fold back cover (1).
Release nut underneath. Remove positive battery cable from battery positive terminal.
Remove protective cap (2) and release nut underneath.
Disconnect positive battery cable from alternator.
Unclip positive battery cable (1) from holder (2).
Release nut (2) on starter motor only.
Remove positive battery cable from starter motor and pull out.
NOTE: Reassemble the vehicle.
Check stored fault messages.
Delete fault memory.
BMW X3 Owners Manual > Changing wheels and tires: Winter tires
Winter tires are recommended for operating on
winter roads.
Although so-called all-season M+S tires provide
better winter traction than summer tires,
they do not provide the same level of performance
as winter tires.
Maximum speed of winter tires
If the maximum speed of the vehicle is highe ...