Preparation1.Check whether the battery of the other ve‐
hicle has a voltage of 12 volts and approxi‐
mately the same capacitance in Ah. This
information can be found on the battery.2.Switch off the engine of the assisting vehi‐
cle.3.Switch off any electronic systems/power
consumers in both vehicles.
Bodywork contact between vehicles
There must not be any contact between
the bodies of the two vehicles, otherwise there
is a danger of shorting.◀
Starting aid terminals Connecting order
Connect the jumper cables in the correct
order; otherwise, there is the danger of injury
from sparking.◀
The so-called starting aid terminal in the en‐
gine compartment acts as the battery's posi‐
tive terminal. Open the cover in the direction of
the arrow.
The body ground or a special nut acts as the
negative terminal.
Connecting jumper cables
1.Fold open the cover of the BMW starting-
aid terminal. To do so, pull the tab.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 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 the vehicle providing as‐
sistance.5.Attach the other end of the cable 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.2.Start the engine of the vehicle being
started in the usual way.
If the first starting attempt is not success‐
ful, wait a few minutes before making an‐Seite 288MobilityBreakdown assistance288
Online Edition for Part no. 01 40 2 910 876 - VII/13
