BMW 520D - Page 174

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Starting with a flat battery
5. With the jump lead marked (+),
establish a connection between the
positive terminal of the battery in
the other vehicle and the jump-
starting connection in the engine
compartment of the BMW. The cap
over this connection on the BMW is
marked "+" (see illustration). Fold
open the cap (arrow)
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6. With the jump lead marked (),
establish a connection between
the negative terminals of the two
vehicles. First connect it to the
negative battery terminal or to earth
(ground) on the engine or body of
the donor vehicle, then to the nega-
tive battery terminal or to earth
(ground) on the engine or body of
the vehicle which you wish to start.
On your BMW a special nut is
provided for this purpose on the
suspension strut housing; see
arrow in illustration
Always connect the jump leads in
the correct order, so that no
sparks which could cause injury occur
at the battery.
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7. Run the engine of the donor vehicle
at higher than idle speed for a few
minutes, then 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
8. Allow both engines to run for a few
minutes before disconnecting the
jump leads
9. Disconnect the jump leads in the
opposite order from that in which
they were originally attached.
Have the battery recharged by BMW
Service if necessary.
ba.book Page 174 Tuesday, December 17, 2002 4:26 PM