BMW X1 Owner's Manual page 272

MOBILITY
3. Switch off any electronic systems/power con‐
sumers in both vehicles.
Starting aid terminals
The starting aid terminal in the engine compart‐
ment acts as the battery's positive terminal.
Open the cover of the starting aid terminal.
A special connection on the body acts as the
battery negative terminal.
Connecting the cables
To prevent personal injury or damage to both ve‐
hicles, adhere strictly to the following procedure.
1. Open the cover 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 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.
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Breakdown assistance
Online Edition for Part no. 01402631131 - X/19
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.