Summer tires
Do not drive with a tire tread depth of less than 0.12 in/3 mm.
There is an increased danger of hydroplaning if the tread depth is less than 0.12 in/3 mm.
See also:
Coolant level
Checking
1. Let the engine cool.
2. Turn the cap of the expansion tank slightly
counterclockwise to allow any excess pressure
to dissipate, and then open it.
3. The coolant level is correct if ...
5 Series Gran Turismo
For 2010, BMW added a hatchback version of its rear-wheel-drive 5 Series,
dubbed the 5 Series Gran Turismo, starting with a 550i "GT" powered by the same
400-hp, twin-turbo V-8 as the 55 ...
Winter tires
The manufacturer of your vehicle recommends
winter tires for winter roads or at temperatures
below +45 ℉/+7 ℃.
Although so-called all-season M+S tires do provide
better winter tract ...