BMW Z4 Roadster Owner's Handbook Manual page 314

MOBILITY
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 bat‐
tery or the corresponding engine or body
earth connection on the donor vehicle.
5. Connect the second terminal clamp to the
negative terminal of the battery or to a corre‐
sponding engine or body earth connection on
the vehicle to be started.
Starting the engine
Do not use spray products sold as starting aids.
1. Start the engine of the donor vehicle and al‐
low it to run for a few minutes at a slightly in‐
creased 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 discharged bat‐
tery has been recharged somewhat.
3. Allow both engines to run for a few minutes.
4. Disconnect the jump leads in reverse order to
connection.
Check the battery and have it recharged if nec‐
essary.
Tow-starting and towing
Safety note
WARNING
Due to system limitations, individual functions
may not work properly when tow-starting/
towing with activated Intelligent Safety Sys‐
tems. There is a danger of accidents. Switch off
all Intelligent Safety Systems before tow-start‐
ing/towing.
314
Breakdown Assist
Steptronic transmission:
transporting the vehicle
General
Do not have the vehicle towed.
Safety notes
If the vehicle is towed with one axle raised, the
vehicle can be damaged. There is a danger of
damage to property. Only have the vehicle
transported on a truck bed.
The vehicle may be damaged when raising and
securing it.
There is a danger of damage to property.
▷ Raise the vehicle with suitable equipment.
▷ Do not raise or secure the vehicle by its
Pushing the vehicle
To remove a broken-down vehicle from a dan‐
gerous area, it can be pushed for a short dis‐
tance.
Roll or push, see page 134, the vehicle.
Towing truck
Only have the vehicle transported on a truck bed.
Online Edition for Part no. xxx - X/18
NOTE
NOTE
towing eye, body parts or suspension
parts.