2010 BMW M3 trunk

Opening and closing
26
Switching off an alarm
>Unlock the car with the remote control, refer
to page19.
>Insert the remote control all the way into the
ignition lock.
Indicator lamp displays
>The indicator lamp under the inside rear-
view mirror flashes continuously: the sys-
tem is armed.
>The indicator lamp flashes after locking:
doors, hood, trunk lid/tailgate or rear win-
dow are not properly closed. Even if you do
not close the alerted area, the system
begins to monitor the remaining areas, and
the indicator lamp flashes continuously
after approx. 10 seconds. The interior
motion sensor and the tilt alarm sensor are
not activated.
>The indicator lamp goes out after unlocking:
your vehicle has not been disturbed while
you were away.
>If the indicator lamp flashes after unlocking
until the remote control is inserted in the
ignition, but for no longer than approx.
5 minutes: your vehicle has been disturbed
while you were away.
Tilt alarm sensor
The tilt of the vehicle is monitored. The alarm
system reacts, e.g. to attempts to steal a wheel
or tow the vehicle.
Interior motion sensor
In order for the interior motion sensor to func-
tion properly, the windows and glass roof must
be completely closed
*.
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 duplex garages
>During transport on car-carrying trains,
boats/ships or on a trailer
>When animals are to remain in the vehicle
Switching off tilt alarm sensor and
interior motion sensor
Press the button on the remote control
again as soon as the vehicle is locked.
The indicator lamp lights up briefly and then
flashes continuously. The tilt alarm sensor and
the interior motion sensor are switched off until
the next time the vehicle is unlocked and subse-
quently locked again.
Comfort Access*
Comfort Access enables you to enter your vehi-
cle without needing to hold the remote control
in your hand. All you need to do is wear the
remote control close to your body, e.g. in your
jacket pocket. The vehicle detects the corre-
sponding remote control within the immediate
vicinity or in the passenger compartment.
Comfort Access supports the following func-
tions:
>Unlocking/locking the vehicle
>Unlocking the trunk lid/tailgate separately
>Engine starting
>Convenient closing
Functional requirement
>The vehicle or the trunk lid/tailgate can only
be locked when the vehicle detects that the
remote control currently in use is outside of
the vehicle.
>The vehicle cannot be locked or unlocked
again until after approx. 2 seconds.

Reference
At a glance
Controls
Driving tips
Mobility
27
>The engine can only be started when the
vehicle detects that the remote control cur-
rently in use is inside the vehicle.
Comparison to the standard remote
control
In general, there is no difference between using
Comfort Access or pressing the buttons on the
remote control to carry out the functions men-
tioned above. You should therefore first famil-
iarize yourself with the instructions on opening
and closing starting on page18.
Special features regarding the use of Comfort
Access are described below.
If you notice a brief delay while opening or
closing windows or the glass roof/pan-
orama glass roof, the system is checking
whether a remote control is inside the vehicle.
Please repeat the opening or closing proce-
dure, if necessary.<
Unlocking
Grasp the handle on the driver's or front pas-
senger door completely, arrow 1. This corre-
sponds to pressing the button.
Locking
Touch the surface, arrow 2, with your finger for
approx. 1 second. This corresponds to pressing
the button.
To preserve the battery, please make
sure that the ignition and all electrical
consumers are switched off before locking the
vehicle.<
Convenient closing
For Convenient closing, keep your finger on the
surface, arrow 2.
Unlocking the trunk lid/tailgate
separately
Press the button on the outside of the trunk lid/
tailgate. This corresponds to pressing the
button.
If the vehicle detects that a remote con-
trol has been accidentally left inside the
locked vehicle's cargo area after the trunk lid/
tailgate or rear window is closed, the lid will
reopen. The hazard warning flashers flash and
an acoustic signal
* sounds.<
Switching on radio readiness
Radio readiness is switched on by pressing the
start/stop button, refer to page46.
Do not depress the brake or the clutch;
otherwise, the engine will start.<
Starting the engine
You can start the engine or switch on the igni-
tion when a remote control is inside the vehicle.
It is not necessary to insert a remote control into
the ignition lock, refer to page46.
Switching off the engine in cars with
automatic transmission
The engine can only be switched off when the
selector lever is in position P, refer to page47.
T o s w i t c h t h e e n g i n e o f f w h e n t h e s e l e c t o r l e v e r
is in position N, the remote control must be in
the ignition lock.
Malfunction
Comfort Access may malfunction due to local
radio waves. If this happens, open or close the
vehicle via the buttons on the remote control or
using the integrated key. To start the engine
afterward, insert the remote control into the
ignition lock.

Reference
At a glance
Controls
Driving tips
Mobility
107
Drive defensively
Avoid unnecessary acceleration and braking
maneuvers. To do so, keep an adequate dis-
tance between you and the vehicle in front of
you. A defensive and smooth driving style
keeps fuel consumption down.
Avoid high engine speeds
Only use first gear when setting off. In second
and higher gears, accelerate without hesitation
or pauses. When accelerating, shift up before
reaching high engine speeds.
When you reach the desired speed, shift into
the highest applicable gear and drive with the
engine speed as low as possible and at a con-
stant speed.
As a rule: driving at low engine speeds lowers
fuel consumption and reduces wear.
Coasting
When approaching a red light, take your foot off
the accelerator and coast to a stop in the high-
est applicable gear.
O n a d o w n h il l s lo p e , t a k e y o u r f o o t o f f t h e a c c el -
erator and coast in a suitable gear.
The fuel supply is interrupted when coasting.
Switch off the engine during lengthy
stops
Switch off the engine when stopping for lengthy
periods, e.g. at traffic lights, railroad crossings
or in traffic congestions. You achieve fuel sav-
ings even if standing time is as short as approx.
4 seconds.
Switch off functions you do not need at
the moment
Functions such as the air conditioner, seat
heating or rear window defroster draw large
amounts of power and consume additional fuel.
Especially in city traffic and in stop and go driv-
ing they have a considerable impact. Therefore,
switch these functions off when they are not
really needed.
Have the vehicle serviced
Have the vehicle serviced regularly to achieve
good economy and a long vehicle life. BMW
recommends having the vehicle serviced at a
BMW center. Also note the BMW service sys-
tem, refer to page141.
General driving notes
Close the trunk lid/tailgate
Operate the vehicle only when the trunk
lid/tailgate and rear window are closed.
Otherwise, exhaust fumes could enter the inte-
rior of the vehicle.<
If the vehicle must be driven with the trunk lid/
tailgate open:
1.Close all windows and the glass roof.
2.Greatly increase the air volume of the air
conditioner or automatic climate control
system, refer to page85 or88.
Hot exhaust system
In all vehicles, extremely high tempera-
tures are generated in the exhaust sys-
tem. Do not remove the heat shields installed
adjacent to various sections of the exhaust sys-
tem, and never apply undercoating to them.
When driving, standing at idle and while park-
ing, take care to avoid possible contact
between the hot exhaust system and any highly
flammable materials such as hay, leaves, grass,
etc. Such contact could lead to a fire, with the
risk of serious personal injuries and property
damage. Do not touch hot exhaust tail pipes.
Otherwise, there is a risk of burns.<
Diesel particulate filter*
The diesel particulate filter collects soot parti-
cles and burns them periodically at high tem-
peratures. This cleaning process takes several
minutes. During cleaning, you may notice that
the engine temporarily runs less smoothly and
that a somewhat higher engine speed is neces-
sary to achieve the accustomed performance.
Also, noises may be heard and a slight amount
of smoke may emerge from the exhaust, even

Reference
At a glance
Controls
Driving tips
Mobility
111
Loading roof-mounted luggage rack
Because roof racks raise the vehicle's center of
gravity when loaded, they have a major effect on
vehicle handling and steering response.
You should therefore always remember not to
exceed the approved roof load capacity, the
approved gross vehicle weight or the axle loads
when loading the rack.
You can find the applicable data under Weights
on page177.
The roof load must be distributed uniformly and
should not be too large in area. Heavy items
should always be placed at the bottom. Be sure
that adequate clearance is maintained for rais-
ing the glass roof, and that objects do not
project into the opening path of the trunk lid/
tailgate.
Fasten roof-mounted cargo correctly and
securely to prevent it from shifting or falling off
during the trip.
Drive smoothly. Avoid sudden acceleration and
braking maneuvers. Take corners gently.

Replacing components
150
Changing low-beam and high-beam
bulbs
1.Remove the relevant cover for the head-
lamp.
2.Disconnect the plug from the lamp.
3.Push the wire bracket to the side out of the
mounting, arrow1, and fold it down,
arrow2.
4.Remove the bulb.
5.Insert new bulb as shown in the detail of the
illustration above.
6.Fold up the wire bracket and engage it.
7.Connect the plug.
8.Reattach the cover.
Parking lamps, roadside parking lamps
W5W bulb, 5 watts
1.Remove the cover for the high-beam head-
lamp.
2.Pull out the bulb socket, see arrow.
3.Remove and replace the bulb.
4.Insert bulb socket.
5.Reattach the cover.
Turn signals, front
PY24W bulb, 24 watts
1.Open the flap in the wheel well, refer to
Access through the wheel well on
page149.
2.Rotate turn signal bulb socket 1 to the left
and remove.
3.Apply gentle pressure to the bulb while
turning it to the left for removal and replace-
ment.
4.Insert turn signal bulb socket 1.
5.Attach the flap to the wheel well.
Tail lamps
Sedan
>Brake lamp in the trunk lid:
H21W bulb, 21 watts
>Backup lamp:
W16W bulb, 16 watts
>Other lamps:
P21W bulb, 21 watts
The tail lamps are divided in two parts. One part
is in the trunk lid, the other is in the fender.
1Brake lamp
2Roadside parking lamp/tail lamp, LED

Replacing components
152 2.Loosen the bulb holder at the clip, see
arrow, and pull out.
3.Apply gentle pressure to the bulb while
turning it to the left for removal and replace-
ment.
4.Re-engage the bulb holder so that it audibly
clicks into place.
5.Reattach the cover in the cargo area.
Lamps in the trunk lid/tailgate
Sedan
1.Take the warning triangle out of its holder,
refer to page156. Unscrew the holder using
the screwdriver from the onboard vehicle
tool kit.
2.Pry out the plastic plugs in the trim of the
trunk lid using a screwdriver and remove the
trim.
3.Release the bulb holder at the clip, see
arrow, and remove.
4.Apply gentle pressure to the bulb while
turning it to the left for removal and replace-
ment.
5.Re-engage the bulb holder so that it audibly
clicks into place.6.Reattach the trim of the trunk lid and the
holder for the warning triangle.
Sports Wagon
1.Use a screwdriver to press out the cover at
the clips, see arrows, and fold it downward.
2.Fold away the foam insulating material.
3.Release the bulb holder at the clip, see
arrow, and remove.
4.Apply gentle pressure to the bulb while
turning it to the left for removal and replace-
ment.
5.Re-engage the bulb holder so that it audibly
clicks into place.
6.Reattach the trim of the tailgate.
License plate lamp, center brake lamp,
parking/tail lamp and turn signal*
These lamps use LED technology for operation.
In the event of a malfunction, please contact
your BMW center or a workshop that works
according to BMW repair procedures with cor-
respondingly trained personnel.

Giving and receiving assistance
156 check the expiration dates of the contents reg-
ularly and replace any items in good time, if nec-
essary.
Sedan
The first aid pouch is located on the right-hand
side of the cargo area in a storage area.
Sports Wagon
The first aid pouch is located in the cargo area
behind the left-hand trim panel.
Warning triangle*
Sedan
The warning triangle is located in a holder in the
trunk lid. Press the tabs to take it out.
Sports Wagon
The warning triangle is located behind the left-
hand trim panel in the cargo area. Press the tab
to take it out.
Jump-starting
If the car's own battery is flat, your BMW's
engine can be started by connecting two
jumper cables to another vehicle's battery. You
can also use the same method to help start
another vehicle. Only use jumper cables with
fully-insulated clamp handles.
Do not touch any electrically live parts
when the engine is running, or a fatal acci-
dent may occur. Carefully adhere to the follow-
ing sequence, both to prevent damage to one or
both vehicles, and to guard against possible
personal injuries.<
Preparation
1.Check whether the battery of the other
vehicle has a voltage of 12 volts and
approximately the same capacitance in Ah.
This information can be found on the bat-
tery.
2.Switch off the engine of the assisting vehi-
cle.
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.<

Reference
At a glance
Controls
Driving tips
Mobility
161
Roadside parking lamps still on Switch off the roadside parking lamps,
refer to page81.
Preheat, refer to page47
Door open
Engine compartment lid open
Trunk lid/tailgate or rear window open
Gas cap is open Make sure that the gas cap is correctly
positioned and close it until it audibly
clicks. Do not jam the strap between the
gas cap and the vehicle.
Windshield washer fluid level too low Add washer fluid as soon as possible,
refer to page52.
Lights up in red:
Service due Arrange a service appointment.
Check service requirements, refer to
page65.
Lights up in yellow:
The engine will start the next time the
start/stop button is touched, possibly
without the brake or clutch being
depressed
Remote control malfunctioning or, in
cars with Comfort Access, not
detectedThe engine cannot be started. Have the
remote control checked, if necessary.
Battery in remote control discharged Use the remote control for a longer jour-
ney or, in cars with Comfort Access,
replace the battery.
Belt tensioners and/or airbag system
failedHave the system checked immediately.
Active steering defective You can continue your journey.
Steering characteristics are modified
and steering wheel could be off-center.
Steer carefully.
Have the system checked as soon as
possible.
12Cause What to do