BMW Z4 Roadster Owner's Handbook Manual page 306

MOBILITY
Charging the battery
General
Ensure the battery is sufficiently charged to
guarantee the entire lifetime of the battery.
The battery may need to be charged in the
following cases:
▷ When making frequent short journeys.
▷ If the vehicle is not used for periods of longer
than one month.
Safety note
NOTE
Battery chargers for the vehicle battery may
operate with high voltages and high currents
which can overload or damage the 12-volt on-
board network. There is a danger of damage to
property. Only connect battery chargers for the
vehicle battery to the jump-starting connec‐
tions in the engine compartment.
Jump-starting connections
Only charge the battery via the jump-starting
connections, see page 313, in the engine com‐
partment and with the engine switched off.
Battery charger
Battery chargers developed especially for the ve‐
hicle and suitable for the on-board network can
be obtained from a Service Partner of the manu‐
facturer or another qualified Service Partner or a
specialist workshop.
Power failure
Following an electrical power failure, some
equipment will have to be reinitialised or individ‐
ual settings will need to be updated, for example:
▷ Memory function: save positions again.
▷ Time: update.
▷ Date: update.
306
Replacing parts
Disposing of the old battery
workshop or hand them into an authorised col‐
lecting point.
Batteries filled with acid should be transported
and stored upright. Protect batteries against fall‐
ing over when in transit.
Fuses
Safety note
Incorrect or repaired fuses can overload electri‐
cal cables and components. There is a risk of
fire. Do not repair blown fuses or replace them
with fuses with a different colour or amp rating.
Accessing the fuses
The fuses are located behind a cover on the
right-hand side in the boot.
Unlock the cover on the right-hand side trim, ar‐
row 1, and open, arrow 2.
Fuse assignment information and details on the
positions of any other fuse boxes can be found in
a separate leaflet in the fuse box.
Online Edition for Part no. xxx - X/18
Dispose of old batteries at a Service
Partner of the manufacturer or another
qualified Service Partner or a specialist
WARNING