Mobility
Breakdown assistance
Preparation
Connecting the cables
1. Pull off the lid of the BMW starting aid ter‐
minal.
Bodywork contact between vehicles
Make sure that there is no contact be‐
tween the bodywork of the two vehicles; other‐
wise, there is a danger of short circuits.◀
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.
1. Check whether the battery of the other ve‐
hicle has a voltage of 12 volts. This infor‐
mation can be found on the battery.
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.
2. Switch off the engine of the assisting vehi‐
cle.
3. Switch off any electronic systems/power
consumers in both vehicles.
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.
Starting aid terminals
Connecting order
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.
Connect the jumper cables in the correct
order to prevent risk of injury from arcing.◀
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.
The so-called starting aid terminal in the en‐
gine compartment acts as the battery's posi‐
tive terminal.
2. Start the engine of the vehicle that is to be
started in the usual way.
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.
The body ground or a special nut acts as the
battery negative terminal.
228
Online Edition for Part no. 01 40 2 960 386 - II/15