BMW 745i Sedan 2005 - Manual (Page 69)

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What you will need
1 Screwdriver handle
2 Emergency-release tool
3 10 mm open-end wrench
You will find the required tools in the
onboard tool kit mounted on the inside of
the luggage compartment lid, refer to
page
201 .
Insert the emergency-release tool in the
screwdriver handle as shown in the illustra-
tion.
Releasing
1. Remove the floor mat and the cover on
the spare tire
2. Guide the emergency-release tool with
the screwdriver handle into the open-
ing, arrow 1
3. Apply the open-end wrench to the
hexagon on the emergency-release
tool.
Press against the resistance from the
spring to guide the emergency-release
tool all the way in, then hold it in place.
Turn the emergency-release tool in the
direction indicated by arrow 2, continu-
ing until you hear the mechanism snap
into place and feel resistance; maintain
pressure on the tool after the mecha-
nism engages
4. Use the open-end wrench to turn the
emergency-release tool against the
drive unit's mechanical resistance, con-
tinuing to rotate it in arrow direction 2
until you feel a substantial increase in
turning effort
To prevent possible damage to the
rear brakes, always make sure that
the parking brake is completely released
before driving the vehicle.
<
5. Return the tools to their places
6. Return the spare tire cover and the floor
mat to their original locations.
Have any defects repaired at the
nearest BMW center. The technicians
can also return the parking brake to normal
operational status after it has been
released manually in response to malfunc-
tion.
<
Following manual release, the actual
status of the parking brake may vary
from that displayed by the indicator lamp. <
Operation after interruptions in
power supply
The parking brake may only be used
again, if it was released manually after
an interruption in power supply, i.e. as a
result of a discharged or disconnected bat-
tery. If this is not done, the parking brake
may fail to operate correctly. Even with the
parking brake engaged, there would be a
danger of the vehicle rolling on steep
hills.
<
Once the electrical power supply has been
restored you can again use the parking
brake:
With the ignition on and the
vehicle stationary, briefly press
the button three times at inter-
vals of approx. 5 seconds. This
initializes the system as follows:
> Initializing the disengaged setting
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