jump cable BMW M4 2016 Owners Manual

Recharging the battery
General Ensure the battery is sufficiently charged to
guarantee the entire lifetime of the battery.
In the following cases, charging the battery is
necessary:▷When making frequent short trips.▷When leaving for periods of longer than
one month.
Notes
ATTENTION
Unsuitable external chargers can dam‐
age the vehicle. Danger of damage to property.
Use chargers that have been categorised as
suitable for the respective vehicle type by the
vehicle manufacturer. Observe the maximum
charge voltage.◀
Maximum charge voltage: 14.4 Volt. ATTENTION
Battery chargers for the vehicle battery
can operate with high voltages and high cur‐
rents, which can overload or damage the
12 volt on-board network. Danger of damage
to property. Only connect battery chargers for
the vehicle battery to the jump-starting con‐
nections in the engine compartment.◀
Jump-starting connections
Recharge the battery only with the engine
stopped, via the jump-starting connections,
see page 204, in the engine compartment.
Charger
Chargers developed especially for the vehicle
and attuned to the on-board network can be
obtained from Service Partner or a qualified
specialist workshop.
Power failure
Following a temporary electrical power outage,
some equipment will have to be reinitialised or
individual settings will need to be updated, for
example:▷Seat and mirror memory: re-save positions.▷Time: update.▷Date: update.▷Glass Roof and sun blind: initialise system,
see page 47.
Disposing of the old battery
Dispose of old batteries at a Service
Partner or a qualified specialist work‐
shop or hand them into an authorised
collecting point.
Fuses
Notes WARNING
Incorrect or repaired fuses can overload
electrical cables and components. Fire risk. Do
not repair blown fuses or renew them by fuses
with a different colour or amp rating.◀
Plastic tweezers and details of the fuse assign‐
ment can be found with the fuses in the boot.
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3.Switch off any electrical systems in both
vehicles.
Jump-starting connections
WARNING
Connecting the jump leads in the wrong
sequence can cause sparks. Danger of injury.
Comply with the correct sequence when con‐
necting up.◀
The jump-starting connection in the engine
compartment serves as the positive battery
terminal.
Open the cover of the starting assistance con‐
nection.
The battery negative terminal is the body earth
or a special nut.
Connecting the cables
1.Open the cover of the BMW starting assis‐
tance connection.2.Connect a terminal clamp on the positive/+
jump lead to the positive terminal of the
battery or the corresponding jump-starting
connection on the donor vehicle.3.Connect the other terminal clamp to the
battery's positive terminal or to the corre‐
sponding jump-starting connection on the
vehicle to be started.4.Connect a terminal clamp on the negative/–
jump lead to the negative terminal of the
battery or the corresponding engine or
body earth connection on the donor vehi‐
cle.5.Connect the second terminal clamp to the
negative terminal of the battery or to a
ground/earth connection on the corre‐
sponding engine or body of the vehicle to
be started.
Starting the engine
Do not use the spray products sold as starting
aids.
1.Start the engine of the donor vehicle and
allow it to run for a few minutes at a slightly
increased idle speed.2.Start the engine of the vehicle to be started
as normal.
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 both engines to run for a few mi‐
nutes.4.Disconnect the jump leads in the opposite
order from that in which they were origi‐
nally attached.
Check the battery if necessary and have it re‐
charged.
Tow-starting and towing Information WARNING
Due to system limitations, there may be
malfunctions of individual functions when tow-
starting/towing with activated Intelligent Safety
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