Starting with a flat battery – BMW AG User Manual

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2. Connect the crocodile clip at one

end of the positive/+ jump lead to the
positive terminal of the battery or to a
jump-starting connection of the
donor vehicle

3. Connect the other crocodile clip of

the positive/+ jump lead to the posi-
tive terminal of the battery or to a
jump-starting connection of the vehi-
cle to be started

4. Your BMW has a special nut as body

earth – ground – or negative terminal,
see arrow 2.
Connect the crocodile clip at one
end of the negative/– jump lead to
the negative terminal of the battery or
to an engine or body earth – ground –
of the donor vehicle

5. Connect the other crocodile clip of

the negative/– jump lead to the nega-
tive terminal of the battery or to the
engine or body earth – ground – of
the vehicle to be started.

Starting the engine

1. Start the engine of the donor vehicle

and allow it to run for a few minutes
at a fast idle speed

2. Start the engine of the other vehicle

in the usual way.
If an initial attempt to start the engine
fails, wait several minutes until the
flat battery has been recharged to a
slightly greater degree

3. Allow the engines to run for a few

minutes

4. Disconnect the jump leads in the

opposite order from that in which
they were originally attached.

If necessary, have the battery checked
and recharged.

Do not use any spray products
sold as starting aids.

Starting with a flat battery