BMW Z4, Owner'S Manual

Page: 299 / 330

A special connection on the body acts as the
battery negative terminal.
Connecting the cables
Before you begin, switch off all unnecessary
electronic systems/power consumers, such as
the radio, on the assisting and receiving vehicle.
1. Open the cover of the starting aid terminal.
2. Attach one terminal clamp of the positive
jumper cable to the positive terminal of the
battery, or to the corresponding starting aid
terminal of the vehicle providing assistance.
3. Attach the terminal clamp on the other end of
the cable to the positive terminal of the bat‐
tery, or to the corresponding starting aid ter‐
minal of the vehicle to be started.
4. Attach one terminal clamp of the negative
jumper cable to the negative terminal of the
battery, or to the corresponding engine or
body ground of assisting vehicle.
5. Attach the second terminal clamp to the neg‐
ative terminal of the battery, or to the corre‐
sponding engine or body ground of the vehi‐
cle to be started.
Starting the engine
Never use spray fluids to start the engine.
1. Start the engine of the assisting vehicle and
let it run for several minutes at an increased
idle speed.
2. Start the engine of the vehicle that is to be
started in the usual way.
If the first starting attempt is not successful,
wait a few minutes before making another at‐
tempt in order to allow the discharged battery
to recharge.
3. Let both engines run for several minutes.
4. Disconnect the jumper cables in the reverse
order.
Check the battery and recharge, if needed.
Tow-starting and towing
Safety information
Warning
Due to system limits, individual functions can
malfunction during tow-starting/towing with the
Intelligent Safety systems activated. There is a
risk of accident. Switch all Intelligent Safety
systems off prior to tow-starting/towing.
Steptronic transmission:
transporting the vehicle
General information
The vehicle is not permitted to be towed.
Safety information
NOTICE
The vehicle can be damaged when towing the
vehicle with a single lifted axle. There is a risk of
damage to property. The vehicle should only be
transported on a loading platform.
NOTICE
The vehicle can become damaged when lifting
and securing it.
There is a risk of damage to property.
Seite 299
Breakdown assistance
MOBILITY
299
Online Edition for Part no. 01402779113 - II/19