BMW 640i Bedienungshandbuch PDF herunterladen (Seite 233)

Jump-starting

General information

If the battery is discharged, the engine can be

started using the battery of another vehicle

and two jumper cables. Only use jumper ca‐

bles with fully insulated clamp handles.

Hints

Do not touch live parts

To avoid the risk of potentially fatal in‐

jury, always avoid all contact with electrical

components while the engine is running.◀

To prevent personal injury or damage to both

vehicles, adhere strictly to the following proce‐

dure.

Preparation

Bodywork contact between vehicles

Make sure that there is no contact be‐

tween the bodywork of the two vehicles; other‐

wise, there is a danger of short circuits.◀

1.

Check whether the battery of the other ve‐

hicle has a voltage of 12 volts. This infor‐

mation can be found on the battery.

2. Switch off the engine of the assisting vehi‐

cle.

3. Switch off any electronic systems/power

consumers in both vehicles.

Starting aid terminals

Connecting order

Connect the jumper cables in the correct

order to prevent risk of injury from arcing.◀

The so-called starting aid terminal in the en‐

gine compartment acts as the battery's posi‐

tive terminal.

The body ground or a special nut acts as the

battery negative terminal.

Connecting the cables

1.

Pull off the lid of the BMW starting aid ter‐

minal.

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 assis‐

tance.

3. Attach the terminal clamp on the other end

of the cable to the positive terminal of the

battery, or to the corresponding starting

aid terminal 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

negative terminal of the battery, or to the

Seite 229

Breakdown assistance Mobility

229

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