BMW X5 2017 Owner's Manual page 256

Mobility
The body ground or a special nut acts as the
battery negative terminal.
Connecting the cables
1. Open the cover of the BMW starting aid
terminal.
2. Attach one terminal clamp of the positive
jumper cable to the positive terminal of the
battery, or to the corresponding starting
aid terminal of the vehicle providing assis‐
tance.
3. Attach the terminal clamp on the other end
of the cable to the positive terminal of the
battery, or to the corresponding starting
aid terminal of the vehicle to be started.
4. Attach one terminal clamp of the negative
jumper cable to the negative terminal of
the battery, or to the corresponding engine
or body ground of assisting vehicle.
5. Attach the second terminal clamp to the
negative terminal of the battery, or to the
corresponding engine or body ground of
the vehicle to be started.
Starting the engine
Never use spray fluids to start the engine.
1. Start the engine of the assisting vehicle
and let it run for several minutes at an in‐
creased idle speed.
If the vehicle to be started has a diesel en‐
gine: let the engine of the assisting vehicle
run for approx. 10 minutes.
2. Start the engine of the vehicle that is to be
started in the usual way.
256
Breakdown assistance
Online Edition for Part no. 01 40 2 973 026 - VI/16
If the first starting attempt is not success‐
ful, wait a few minutes before making an‐
other attempt in order to allow the dis‐
charged battery to recharge.
3. Let both engines run for several minutes.
4. Disconnect the jumper cables in the re‐
verse order.
Check the battery and recharge, if needed.
Tow-starting and towing
Safety information
WARNING
Due to system limits, individual functions
can malfunction during tow-starting/towing
with the Intelligent Safety systems activated,
e.g., approach control warning with light brak‐
ing function. There is a risk of an accident.
Switch all Intelligent Safety systems off prior to
tow-starting/towing.◀
Transporting the vehicle
General information
The vehicle is not permitted to be towed.
Safety information
NOTE
The vehicle can be damaged when tow‐
ing the vehicle with a single lifted axle. There is
a risk of property damage. The vehicle should
only be transported on a loading platform.◀