Breakdown assistance
MOBILITY
battery, or to the corresponding engine or
body ground of assisting vehicle.
NOTICE
5. Attach the second terminal clamp to the neg‐
ative terminal of the battery, or to the corre‐
sponding engine or body ground of the vehi‐
cle to be started.
In the case of body contact between the two
vehicles, a short circuit can occur during jump-
starting. There is a risk of damage to property.
Make sure that no body contact occurs.
Starting the engine
Never use spray fluids to start the engine.
Preparation
1. Check whether the battery of the other vehi‐
cle has a voltage of 12 volts. The voltage in‐
formation can be found on the battery.
1. Start the engine of the assisting vehicle and
let it run for several minutes at an increased
idle speed.
2. Switch off the engine of the assisting vehicle.
2. Start the engine of the vehicle that is to be
started in the usual way.
3. Switch off any electronic systems/power con‐
sumers in both vehicles.
If the first starting attempt is not successful,
wait a few minutes before making another at‐
tempt in order to allow the discharged battery
to recharge.
Starting aid terminals
The starting aid terminal in the engine compart‐
ment, refer to page 251, acts as the positive bat‐
tery terminal.
3. Let both engines run for several minutes.
4. Disconnect the jumper cables in the reverse
order.
Open the cover of the starting aid terminal.
A special connection on the body in the engine
compartment, refer to page 251, acts as the
negative battery terminal.
Check the battery and recharge, if needed.
Tow-starting and towing
Safety information
Warning
Connecting the cables
To prevent personal injury or damage to both ve‐
hicles, adhere strictly to the following procedure.
1. Pull off the lid of the BMW starting aid termi‐
nal.
Due to system limits, individual functions can
malfunction during tow-starting/towing with the
Intelligent Safety systems activated. There is a
risk of accident. Switch all Intelligent Safety
systems off prior to tow-starting/towing.
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 assistance.
3. Attach the terminal clamp on the other end of
the cable to the positive terminal of the bat‐
tery, or to the corresponding starting aid ter‐
minal of the vehicle to be started.
Steptronic transmission without
xDrive: transporting the vehicle
4. Attach one terminal clamp of the negative
jumper cable to the negative terminal of the
General information
The vehicle must not be towed if the front
wheels are touching the ground.
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