Connecting Jumper Cables; Starting The Engine - Mini Cooper Owner's Manual

MOBILITY
Preparation
1. Check whether the battery of the other vehi-
cle has a voltage of 12 volts and approxi-
mately the same capacitance in Ah. This
information can be found on the battery.
2. Switch off the engine of the support vehicle.
3. Switch off any consumers in both vehicles.
There must not be any contact between
the bodies of the two vehicles; otherwise,
there is a danger of shorting.<

Connecting jumper cables

Connect the jumper cables in the correct
order, so that no sparks which could cause
injury occur.<
1. Open the battery cover in the engine
compartment to access the positive terminal
of your MINI.
2. Release the tabs on the left and right sides of
the positive terminal cover
lift the cover to open, arrow 2.
3. Attach one terminal clamp of the plus/+
jumper cable to the positive terminal of the
battery or to a starting-aid terminal of the
vehicle providing assistance.
170
Giving and receiving assistance
*
, arrows 1, and
Online Edition for Part no. 01 40 2 607 490 - © 03/11 BMW AG Online Edition for Part no. 01 40 2 607 490 - © 03/11 BMW AG
4. Attach the second terminal clamp of the
plus/+ jumper cable to the positive terminal
of the battery or a starting-aid terminal of
the vehicle to be started.
5. Attach one terminal clamp of the minus/–
jumper cable to the negative terminal of the
battery or to an engine or body ground of
the assisting vehicle.
Body ground in MINI:
6. Attach the second terminal clamp of the
minus/– jumper cable to the negative termi-
nal of the battery or to the engine or body
ground of the vehicle to be started.

Starting the engine

1. Start the engine of the donor vehicle and
allow it to run for a few minutes at slightly
increased idle speed.
2. Start the engine of the other vehicle in the
usual manner.
If the first start attempt is not successful,
wait a few minutes before another attempt
in order to allow the discharged battery to
recharge.
3. Let the engines run for a few minutes.
4. Disconnect the jumper cables by reversing
the above connecting sequence.
If necessary, have the battery checked and
recharged.
Never use spray fluids to start the
engine.<