See also:

ConnectedDrive or BMW Assist
...

Coupe: ski bag
The ski bag is designed for safe, clean transport of up to 4 pairs of standard skis or up to 2 snowboards. With the ski bag you can stow skis with a length of up to 6.6 ft/2.0 m. When skis of 6.6 ...

Preparation
1. Check whether the battery of the other vehicle has a voltage of 12 volts and approximately the same capacitance in Ah. This information can be found on the battery. 2. Switch off the engine ...