2005 BMW 645I CONVERTIBLE lock

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Opening from inside
Press the button:
The luggage compartment lid opens unless the
hotel function is activated, see above.
Opening from outside
Press the upper half of the BMW emblem or
the button on the remote control:
The luggage compartment lid opens.
Convertible: if the opening or closing
action is not completed, the luggage
compartment lid cannot be opened, refer to
page40.<
In the event of an electrical malfunction
The luggage compartment lid lock is located
under the BMW emblem. Only the master keys
with remote control, refer to page28, match the
luggage compartment lid lock.Turn the master key to the right as far as it will
go:
The luggage compartment lid opens.
If you use the lock to unlock the luggage
compartment lid while the alarm system
is armed, the alarm will be triggered. Therefore,
unlock the vehicle beforehand.
If the alarm has been triggered accidentally:
Switching off the alarm, refer to page34.<
Emergency release
This lever releases the luggage compartment
lid from inside the luggage compartment.
Closing
The handle recesses on the interior trim of the
luggage compartment lid make it easier to pull
down.
Make sure that the closing path of the
luggage compartment lid is clear, as oth-
erwise injuries may result.
Operate the vehicle only when the luggage
compartment lid is completely closed. Other-
wise, exhaust fumes could penetrate to the
interior of the vehicle.<

Opening and closing
34 If special circumstances should make it abso-
lutely necessary to operate the vehicle with the
luggage compartment lid open:
1.Coupe: close both windows and the glass
sunroof
*.
Convertible: with closed top, close all win-
dows.
2.Increase the air volume of the automatic
climate control to a high level, refer to
page95.
Luggage compartment
There are four lashing eyes on the inner corners
of the luggage compartment for securing lug-
gage nets
* or securing straps to fix luggage in
position.
Also refer to Securing cargo, page111.
Convertible: increasing luggage
compartment capacity
With the convertible top closed, you can
enlarge the luggage compartment capacity:
To do so, unfold the handle and press it down-
ward in the direction of travel, refer to arrow.
This folds the convertible top compartment
floor upward.
Before opening the convertible top, execute
this procedure in reverse order.
The convertible top cannot be opened if
the convertible top compartment floor is
folded up.<
Alarm system
The concept
The vehicle alarm system responds:
>To the opening of doors, the hood, or the
luggage compartment lid
>To movements in the vehicle interior: inte-
rior motion sensor, see below
>To changes in the vehicle's tilt if someone
attempts to steal the wheels or tow the
vehicle
>To interruptions in battery voltage
The system responds to unauthorized vehicle
entry and attempted theft by simultaneously
activating:
>An acoustic alarm, which lasts for a period
of approx. 30 seconds
>The hazard warning flashers for approx.
5minutes
>The high beams, which flash on and off in
the same rhythm
Arming and disarming alarm system
When you lock or unlock the vehicle, either with
the remote control or at the door lock, the alarm
system is armed or disarmed at the same time.
The system indicates that it has been correctly
armed by switching on the hazard warning
flashers for a single cycle and by emitting an
acoustic signal.
You can also open the luggage compartment lid
with the system armed using the button on
the remote control, refer to page30. When the
luggage compartment lid is closed, it is locked
again and monitored.
Switching off alarm
>Unlock the vehicle using the remote control,
refer to page29,
>or turn the ignition key to position 1, refer to
page54.

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Indicator lamp displays
>The indicator lamp below the interior rear-
view mirror flashes continuously: the sys-
tem is armed.
>The indicator lamp flashes after locking:
door(s) or luggage compartment lid are not
completely closed. Even if you do not close
the alerted area, the system begins to mon-
itor the remaining areas, and the indicator
lamp flashes continuously after approx.
10 seconds. However, the interior motion
sensor is not activated.
>The indicator lamp goes out after unlocking:
no manipulation or attempted intrusions
have been detected in the period since the
system was armed.
>After unlocking, the indicator lamp flashes
until the key is inserted into the ignition
lock, but will not do so for longer than
roughly 5 minutes: an attempted entry has
been detected in the period since the sys-
tem was armed.
Tilt alarm sensor and interior motion
sensor
Tilt alarm sensor
Monitors the inclination of the vehicle. The
alarm system reacts, for example, if someone
attempts to steal the wheels or tow the vehicle.
Interior motion sensor
Coupe:
In order for the interior motion sensor to func-
tion properly, the windows and glass sunroof
*
must be completely closed.Convertible:
Monitors the interior up to the height of the seat
cushions. This means that the alarm system,
including the interior motion sensor, is armed
even if the convertible top is open. Falling
objects, e.g. leaves, can trigger false alarms,
refer to Avoiding unintentional alarms.
Avoiding unintentional alarms
The tilt alarm sensor and interior motion sensor
may be switched off at the same time. This pre-
vents unintentional alarms, e.g. in the following
situations:
>In stacking garages
>When transporting on car-carrying trains
>When animals are to remain in the vehicle
Switching off the tilt alarm sensor and
interior motion sensor
Press the button on the remote control
once again directly after locking.
The indicator lamp lights up briefly and then
flashes continuously. The tilt alarm sensor and
the interior motion sensor are switched off until
the vehicle is unlocked and locked again.
Windows
To prevent injuries, exercise care when
closing the windows and keep them in
your field of vision until they are shut.
When leaving the vehicle, always remove the
ignition key and close the doors to prevent chil-
dren from operating the power windows and
injuring themselves.<

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Rear window
Ignition key in position 1 or greater, refer to
page54:
1.Briefly press button1:
The LEDs in button 1 and switch 2 light up.
2.Press switch 2:
>Up to the resistance point:
The rear window continues to open for
as long as you hold the switch.
You can close the rear window in the
same manner by pulling the switch.
>Briefly press the switch beyond the
resistance point:
The rear window opens automatically.
Briefly press the switch again to stop the
opening movement.
Briefly press button 1 again to deactivate the
function. The LEDs go out.
The rear window opens and closes auto-
matically when you open or close the con-
vertible top.<
After switching off ignition
You can still operate the windows:
>for approx. 15 minutes when the ignition
key is in position 1.
>for approx. 1 minute when the ignition key is
in position 0 or has been removed; but in the
convertible, only for as long as a door has
not been opened.
For information on using the convenience oper-
ation mode at the door lock or with the remote
control, refer to page30 or31.
Anti-trapping mechanism
If the closing force rises beyond a predefined
threshold during closing, the system will imme-
diately stop moving the window prior to lower-
ing it slightly.
Convertible: the back windows and rear
window are not equipped with an anti-
trapping mechanism.<
Despite the anti-trapping mechanism,
you should inspect the travel path of the
front side window prior to closing it, as the
safety feature could fail to detect certain kinds
of obstructions, such as very thin objects, and
the window would continue closing.
Pulling the switch beyond the resistance point
and holding it limits the response of the anti-
trapping mechanism. Under these conditions,
the window will respond to forces beyond a
defined threshold by only opening a few inches/
millimeters.
If you pull the switch past the resistance point
again within approx. 4 seconds and hold it there,
the anti-trapping mechanism will be deacti-
vated.<
Accessories in window area
After installing any accessory – such as a
clamp-on antenna for a portable phone – within
the window's travel range, you will need to have
the system reinitialized for use under the new
conditions. Please contact your BMW center for
assistance.
Coupe:
Glass sunroof, electric
with raise function*
To prevent injuries, exercise care when
closing the glass sunroof and keep it in
your field of vision until it is shut.
When leaving the vehicle, always remove the
key and close the doors, as otherwise children
could operate the sunroof and injure them-
selves.<

Opening and closing
38
Raising and closing glass sunroof
Ignition key in position 1 or greater, refer to
page54:
>Briefly press the switch:
The sunroof opens and the sliding visor
moves back approx. 2 in/5 cm
or
press the switch twice past the resistance
point toward the rear:
The sunroof opens and the sliding panel
moves completely back.
>To close, briefly press the switch or push it
twice beyond the resistance point toward
the front:
The sunroof and sliding panel close.
Opening and closing sliding panel
Ignition key in position 1 or greater, refer to
page54:
>Push the switch up to the resistance point in
the desired direction:
The sliding panel continues to move for as
long as you hold the switch.
>Push the switch beyond the resistance
point in the desired direction:
The sliding panel moves automatically.
Briefly press the switch again in any direc-
tion to stop the movement.
After switching off ignition
You can still operate the sunroof:
>for approx. 15 minutes when the ignition
key is in position 1.
>for approx. 1 minute in position 0 or with the
ignition key removed, as long as a door has
not been opened.For information on using the convenience oper-
ation mode at the door lock or with the remote
control, refer to page30 or31.
Anti-trapping mechanism
If the glass sunroof encounters resistance when
closing, the closing action is interrupted and the
glass sunroof opens.
If the sliding panel encounters resistance when
closing within the last approx. 8 in/20 cm, the
closing action is interrupted and the sliding
panel opens again slightly.
Despite the anti-trapping mechanism,
you should inspect the sunroof's travel
range prior to closing it, as the safety feature
might fail to detect certain kinds of obstruc-
tions, such as very thin objects, and the sunroof
would continue closing.
Pressing the switch beyond the resistance
point and holding it deactivates the anti-trap-
ping mechanism.<
Following interruptions in electrical
power supply
After an interruption in the power supply the
glass sunroof may not move. The system has to
b e i n i t i a l i z e d . S h o u l d t h i s o c c u r , p l e a s e h a v e t h e
sunroof initialized at your BMW center.
Moving manually
In the event of an electrical malfunction, you can
move the panorama glass sunroof and the slid-
ing panel manually.
Glass sunroof
1.Remove cover on headliner in front of rear
window. To do so, lift slightly, arrows1.

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Grasp behind the cover, arrows2 and pull
firmly downward.
2.Insert Allen wrench from on-board tool kit,
refer to page180, into the opening pro-
vided.
3.Use the Allen wrench to move the glass
sunroof in the desired direction.
Sliding panel
1.Fold the cover downward, if necessary
using the screwdriver from the onboard tool
kit, refer to page180.
2.Insert the Allen wrench supplied with the
onboard tool kit in the opening provided.3.Use the Allen wrench to move the sliding
visor in the desired direction.
Convertible: top
The fully automatic convertible top combines
secure weather protection with simple and con-
venient operation.
So that you get the maximum pleasure from
your convertible, here are a few tips:
>It is advisable to close the convertible top
when the vehicle is parked. The closed con-
vertible top not only protects the passenger
compartment against unforeseen weather
damage, it also provides a certain amount of
protection against theft. Nonetheless, even
if the convertible top is closed, only keep
valuables in the locked luggage compart-
ment.
>Do not attach luggage rack systems to the
convertible top.
In order to avoid damage, do not operate
the convertible top at temperatures
below + 147/–106.
Do not leave the convertible top in its storage
compartment for longer than one day when wet,
as otherwise damage from moisture can occur.
Do not place any objects on the convertible top,
as otherwise if the top were to be operated,
these objects could fall off and lead to damage
or injury.
Never move the convertible top when the roll-
over protection system is raised.
Driving without having completed the opening
or closing action can lead to damage or injury.
Do not place hands in the top mechanism dur-
ing the opening and closing action. Keep chil-

Controls
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If the opening or closing action is not
completed, the luggage compartment lid
cannot be opened.<
Convenience operation with the
remote control and via the door lock
Refer to pages30 and31.
Manual closing in the event of an
electrical malfunction
Only close the convertible top manually if
absolutely necessary; never open it man-
ually. The convertible top compartment lid can-
not be locked in the event of an electrical mal-
function and would open while the vehicle is
being driven.
Improper handling can lead to damage.<
Before closing
1.Open the luggage compartment lid.
2.Take the Allen wrench and the screwdriver
from the on-board tool kit, refer to
page180.
3.Lever out the two buttons in the luggage
compartment with the screwdriver and then
pull firmly. The convertible top compart-
ment lid is unlocked.
4.Close the luggage compartment lid.
During manual convertible top opera-
tion, the luggage compartment lid
cannot be opened.<
5.Completely open the side windows and the
rear window.
If the rear window cannot be opened using
the switch, it must be lowered manually.
Opening rear window manually
1.Lever out the cover between the rear head
restraints. To do so, place the screwdriver
as close as possible to the lock elements, as
shown in the illustration.
2.Insert the Allen wrench as far as possible in
the opening and turn firmly in the direction
indicated by the arrow until the rear window
is completely open.
Closing
Perform the following work steps with the
assistance of a second person and with
the doors open to prevent injury and damage to
the convertible top.<
1.Push the cover 1 on the left and right of the
side panel forward. Reach into the resulting
openings and raise the convertible top
compartment lid2 as far as it will go.

Opening and closing
42 2.Grasp the top with both hands at the left and
right side frame, arrow3.
Lifting the convertible top at parts
other than the side frame can damage
it.<
3.Both persons lift on both sides simulta-
neously and swing the top forward. In doing
so, keep the convertible top compartment
lid open, arrow4, e.g. with your shoulder.
4.Raise the two convertible top ends as far as
they will go, arrow5, and close the convert-
ible top-compartment lid, arrow6.
Do not raise the convertible top ends
until after the convertible top has
been swung forward, as otherwise damage
can occur.<
5.Fold down the top ends onto the convert-
ible-top compartment lid.6.From the interior, take out the cover in the
center of the front top frame; use a screw-
driver if necessary.
7.Insert the Allen wrench into the opening
provided.
8.From the outside, both persons pull the
front frame of the convertible top down-
ward, as simultaneously as possible on the
two sides.
9.Turn the Allen wrench in the direction of the
arrow until the front convertible top frame
locks to the windshield frame.
The rear convertible top ends are pressed
automatically onto the convertible top com-
partment lid and close tightly with tension.
10.If necessary, close the rear window again
manually in the same way as above.
Wind deflector*
The wind deflector keeps the air movement in
the passenger compartment at a low level when
the convertible top is open, thus enabling
pleasant driving even at higher speeds. You can
conveniently stow it in the luggage compart-
ment when it is not needed.