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EnglishOwner service procedures -> Jump-starting for your BMW 5 Series 1995-2003
Jump-starting
171n
Never use spray starter fluids.
If the battery is discharged, the engine
can be started with the use of two
jumper cables and the battery of another
vehicle. Always use jumper cables with
fully insulated handles on the terminal
clamps.
Do not touch the parts conducting
electrical current while the engine
is running. To do so creates the risk of
fatal injury.<
4 Start by connecting the jumper cable 5 Then connect the negative terminals.
Carefully comply with the following
instructions to avoid personal injury
and damage to one or both vehicles:
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 with a
"Batt. +" sign. Refer to the illustra-
tion. Flip the cap out to open.
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 on the strut dome of
your BMW for this (refer to the arrow
in the illustration).
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 your battery connected to the
vehicle electrical system.
3 Make sure that there is no contact
between the bodywork of the two
vehicles – this creates a risk of short
circuits.
Observe the same sequence for
connecting the jumper cables
when helping other vehicles. If you do
not, there is the risk of injury if sparks
generate at the battery.<
172nJump-starting
Towing the vehicle
6 Start the engine of the support vehicle
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 discharged battery
to recharge.
8 Before disconnecting the jumper
cables from your BMW, turn on the
headlamps, 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.
Tow fitting
Rear:
Apply pressure to the arrow symbol on
the cover; remove the cover.
The screw-in tow fitting is stored in the
onboard tool kit; be sure that it remains
in the vehicle at all times. This fitting is
designed for installation in the tow
sockets located at the front and rear of
the vehicle, and is intended for towing
on paved road surfaces only.
Tightly screw in the towing fittings
all the way. If you do not, the
threads could be damaged.
Depending on the cause of the fault,
recharge the battery.
Never attach tie-down hooks, chains,
straps, or tow hooks to tie rods, control
arms, or any other part of the vehicle
suspension, as severe damage to these
components will occur, leading to
possible accidents.<
It should not be used to pull a vehicle
out of deep snow, mud, sand, etc.
Always observe all applicable towing
laws and regulations.
Access to tow sockets
Use only a nylon towing strap to tow the
vehicle, since the inherent resilience of
this material helps protect both vehicles
from sudden jerking movements.
Front:
Apply pressure to the arrow symbol on
the cover and remove the cover.
