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Index Data Technology Repairs Car care Controls Overview
Do not use spray starter fluids to start
the engine.
If the battery is drained, the engine can
be started using two jumper cables and
another vehicle's battery. Use only
jumper cables with fully insulated grips
on the terminal clamps.
Do not touch the parts conducting
current while the engine is
running. Failure to comply with this
creates a risk of fatal injury.<
Carefully comply with the following
instructions to avoid personal injury or
damage to one or both vehicles:
1 Be sure that the battery on the
support vehicle is also rated at
12 volts, and that the capacities of
the two batteries (Ah) are roughly
comparable (printed on casing)
2 Leave the drained battery connected
to the vehicle's electrical system
3 Make sure that there is no contact
between the bodywork of the two
vehicles – short circuit risk!
4 Start by connecting the jumper cable
from the positive terminal of the
support vehicle to the positive
terminal connector located in your
BMW's engine compartment. The
cover of the auxiliary terminal for
jump-starting is identified by a "+"
sign. Refer to the illustration. Remove
the cover by pulling the tab (arrow 1).
5 Then connect the negative terminals.
Attach the cable to either the support
vehicle's negative battery terminal (–),
or to a suitable ground on its engine
or bodywork. Then connect the other
end of the cable to a ground on the
engine or on the bodywork of the
vehicle that is to be started. There is
a special nut provided for this on the
BMW (arrow 2).
Follow the same sequence for
connecting the jumper cables if
you assist in jump-starting another
vehicle. If you do not, there is a risk of
injury caused by spark generation at the
battery.<
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6 Start the support vehicle's engine
and let it run.
7 Start the engine on the vehicle
needing the jump-start, and allow it
to run as usual. If the first start
attempt is not successful, wait a few
minutes before another attempt in
order to allow the drained battery to
recharge.
8 Before disconnecting the jumper
cables from your BMW, turn on the
rear window defroster and set the
blower to the highest speed; allow the
engine to run approx. 10 seconds.
This will prevent a voltage surge from
the voltage regulator to the electrical
accessories.
9 Then disconnect the jumper cables in
reverse sequence.
Depending on the reason for the
malfunction, recharge the battery.
Jump-starting
Online Edition for Part No. 01 41 0 155 307 - © 09/00 BMW AG