2011 BMW 335IS CONVERTIBLE brake sensor

Controls
71Reference
At a glance
Driving tips
Communications
Navigation
Entertainment
Mobility
>When you select the automatic transmis-
sion's neutral position N
>When you select the neutral position N with
the Sports automatic transmission with
double clutch
>When you activate the Dynamic Traction
Control DTC
>When you deactivate the Dynamic Stability
Control DSC
>When DSC or ABS is intervening
>When the system does not recognize any
objects for a longer period of time, e.g. on
infrequently traveled roads without a shoul-
der or guard rails, or if the radar sensor is
covered with dirt, refer to page72
>When you apply the parking brake
When the system is deactivated, you
must brake the vehicle yourself and/or
maneuver as necessary; otherwise, there is a
risk of accidents.<
Warning lamp
The warning lamp comes on when
active cruise control has been auto-
matically deactivated, for example
due to a driving speed below 20 mph or 30 km/
h or a DSC intervention. A message appears on
the Control Display.
Resuming stored desired speed and
distance
Briefly press the button, arrow 4.
The stored speed and distance are regained
and maintained.
In the following instances, the stored speed is
deleted and can no longer be resumed:
>When driving stability control systems are
intervening
>In cars with manual transmission: when you
shift gears very slowly or shift to neutral
>In cars with automatic transmission: when
you engage selector lever position N>In cars with Sports automatic transmission
with double clutch: when you engage selec-
tor lever position N
>When the ignition is switched off
Displays in the instrument cluster
1Stored desired speed
2Shows yellow: vehicle detected ahead
Flashes in red: system cannot maintain dis-
tance; driver must brake the vehicle
Flashes in yellow: driving stability control
systems are intervening; cruise control is
deactivated
3Selected distance to vehicle ahead
The indicator lights up as soon as the sys-
tem is activated.
4Selected desired speed is temporarily dis-
played
If --- mph or --- km/h temporarily appears
in the instrument cluster display, it is pos-
sible that the system prerequisites for operation
are currently not met. Calling up Check Control
messages, refer to page85.<

Driving
72
Warning lamps
The indicator2 flashes in red; a
signal sounds.
The system indicates that you
must brake and/or maneuver the
vehicle yourself. Active cruise con-
trol cannot automatically restore the distance to
the vehicle ahead.
This indicator does not release you from your
responsibility to adapt your desired speed and
driving style to prevailing driving conditions.
The indicator 2 flashes in yellow.
The prerequisites for operating
active cruise control are not met,
e.g. as a result of ABS or DSC
interventions. Active cruise control
is deactivated. You can reactivate the system, if
desired, by tapping or pulling the lever when
road and traffic conditions permit. It is not pos-
sible to resume a stored speed.
Radar sensor
The sensor's ability to detect vehicles ahead
may be restricted as a result of heavy rain, dirt,
snow or ice. If necessary, clean the radar sensor
located in the front bumper, see arrow. Be sure
to use particular care when removing any layers
of snow or ice from the sensor.
The system cannot be activated if the sensor is
incorrectly aligned.
For US owners only
The transmitter and receiver units comply with
part 15 of the FCC/Federal Communications
Commission regulations. Operation is gov-
erned by the following:FCC ID:
NF3 ACC2SCU 003YK04001 0000
Compliance statement:
This device complies with part 15 of the FCC
Rules. Operation is subject to the following two
conditions:
>This device must not cause harmful inter-
ference, and
>this device must accept any interference
received, including interference that may
cause undesired operation.
Any unauthorized modifications or
changes to these devices could void the
user’s authority to operate this equipment.<
Malfunction
The warning lamp comes on when
the system has failed. A message
appears on the Control Display. More
information can be found beginning on
page84.

Controls
89Reference
At a glance
Driving tips
Communications
Navigation
Entertainment
Mobility
Malfunction
The indicator lamp in the instrument
cluster comes on. PDC is malfunc-
tioning. A message appears on the
Control Display. Have the system checked.
To avoid this problem, keep the sensors clean
and free of ice or snow in order to ensure that
they will continue to operate effectively. When
using a high-pressure cleaner, do not spray the
sensors for extended periods of time and only
from a distance of at least 1 ft/30 cm.
Manual operation*
The LED above the button also flashes.
PDC with visual warning
The approach of the vehicle to an object is
shown on the Control Display. Objects that are
farther away are displayed on the Control Dis-
play before a signal tone sounds. The display
appears on the Control Display as soon as PDC
is activated.
System limitations
Even with PDC, final responsibility for
estimating the distance between the
vehicle and any obstructions always remains
with the driver. Even when sensors are pro-
vided, there is a blind spot in which objects can
no longer be detected. The system is also sub-
ject to the physical limits that apply to all forms
of ultrasonic measurement, such as those
encountered with trailer towbars and hitches,
t h i n o r w e d g e - s h a p e d o b j e c t s , e t c . L o w o b j e c t s
that have already been displayed, e.g. curbs,
can disappear again from the detection area of
the sensors before or after a continuous tone
sounds. Higher, protruding objects, e.g. ledges,
cannot be detected. Therefore, always drive
cautiously; otherwise, there is a risk of personal
injury or property damage.
Loud sound sources outside or inside the car
can drown out the PDC signal. Therefore,
always drive cautiously; otherwise, there is a
risk of personal injury or property damage.<
Driving stability control
systems
Your BMW has a number of systems that help
to maintain the vehicle's stability even in
adverse driving conditions.
Antilock Brake System ABS
ABS prevents locking of the wheels during
braking. Safe steering response is maintained
even during full braking. Active safety is thus
increased.
The ABS is operational every time you start the
engine. Braking safely, refer to page128.
Electronic brake-force
distribution EBV
The system controls the brake pressure in the
rear wheels to ensure stable braking behavior.
Dynamic Brake Control DBC
When you apply the brakes rapidly, this system
automatically produces the maximum braking
force boost and thus helps to achieve the short-
est possible braking distance during full brak-
ing. This system exploits all of the benefits pro-
vided by ABS.
Do not reduce the pressure on the brake for the
duration of the full braking application.
Dynamic Stability Control DSC
DSC prevents the driving wheels from losing
traction when you pull away from rest or accel-
erate. The system also recognizes unstable
driving conditions, for example if the rear of the
car is about to swerve or if momentum is acting
at an angle past the front wheels. In these
cases, DSC helps the vehicle maintain a safe
course within physical limits by reducing engine
output and through braking actions at the indi-
vidual wheels.
The laws of physics cannot be repealed,
even with DSC. An appropriate driving
style always remains the responsibility of the
driver. Therefore, do not reduce the additional
s a f e t y m a r g i n a g a i n b y t a k i n g r i s k s , a s t h i s c o u l d
result in an accident.<

Mobility
227Reference
At a glance
Controls
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Communications
Navigation
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Maintenance
BMW Maintenance System
The BMW Maintenance System supports the
preservation of the traffic and operating safety
of your BMW. The objective is to optimize
efforts with respect to minimal vehicle mainte-
nance costs.
If and when you come to sell your BMW, a com-
prehensive record of servicing will prove a sig-
nificant benefit.
Condition Based Service CBS
Sensors and special algorithms take the differ-
ent driving conditions of your BMW into
account. Condition Based Service uses this to
determine the current and future service
requirements. By letting you define a service
and maintenance regimen that reflects your
own individual requirements, the system builds
the basis for trouble-free driving.
On the Control Display, you can have the
remaining times or distances for selected main-
tenance tasks and any legally prescribed dates
displayed, refer to page80:
>Engine oil
>Brake pads: separately for front and rear
>Brake fluid
>Vehicle check
>Legally mandated inspections depending
on local regulations
Service data in the remote control
Your vehicle continuously stores service-
requirement information in the remote control
while you are driving. Your BMW Service Advi-
sor can read out this data from the remote con-
trol unit, and propose an optimized mainte-
nance approach. Whenever you take your car in
for servicing you should therefore hand your
BMW Service Advisor the remote control unit
that you last used.
Make sure that the date is always set cor-
rectly, refer to page84; otherwise, the
effectiveness of Condition Based Service CBS
is not assured.<
Service and Warranty Information
Booklet for US models and Warranty
and Service Guide Booklet for
Canadian models
Please consult your Service and Warranty Infor-
mation Booklet for US models and Warranty
and Service Guide Booklet for Canadian models
for additional information on service require-
ments.
BMW recommends that you have service
and repair operations performed at your
BMW center.
Take the time to ensure that these service pro-
cedures are confirmed by entries in your vehi-
cle's Service and Warranty Information Booklet
for US models and Warranty and Service Guide
Booklet for Canadian models. These entries
verify that your vehicle has received the speci-
fied regular maintenance.<

Mobility
229Reference
At a glance
Controls
Driving tips
Communications
Navigation
Entertainment
Care
Care products
Regular cleaning and care contributes signifi-
cantly to the value retention of your BMW.
BMW recommends cleaning and caring for your
vehicle with products that are approved by
BMW for this purpose.
Your BMW center will be happy to advise you on
the products and services available for cleaning
and caring for your BMW.
Original BMW Care Products have been
material tested, laboratory checked and
proven in the field, and offer optimal care and
protection for your vehicle.<
Do not use cleaners that contain alcohol
or solvents as these may result in dam-
age.<
Cleaning agents can contain substances
that are dangerous or hazardous to your
health. Therefore, follow the warning and safety
instructions on the packaging. When cleaning
inside the vehicle, always open the doors or
windows of the vehicle. In enclosed areas, pro-
vide for sufficient ventilation. Only use products
designed for cleaning vehicles.<
Exterior care
Washing the vehicle
Especially during the winter months,
ensure that the vehicle is washed more
frequently. Heavy soiling and road salt can lead
to vehicle damage.<
After washing the vehicle, apply the
brakes briefly to dry them; otherwise,
water can reduce braking efficiency over the
short term and the brake discs can corrode.<
Automatic car washes
Preference should be given to cloth car washes.
Do not use high-pressure car washes;
otherwise, water may drip into the vehicle
around the windows.<
Before driving into a car wash, ensure that it is
suitable for your BMW. Check the following:
>Dimensions of your vehicle, refer to
page247.
>If necessary: fold in the exterior mirrors,
refer to page50.
>Maximum permissible tire width.
Avoid car washes with guide rail heights
over 4 in/10 cm; otherwise, there is the
danger of damaging chassis parts.<
Preparations before driving into an automatic
car wash:
>Unscrew the rod antenna
*.
>Deactivate the rain sensor
* to prevent
unintentional wiping.
>Remove additional add-on parts,
e.g. spoilers or phone antennas, if they
could be damaged.
Automatic transmission
Before driving into an automatic car wash, per-
form the following steps to ensure that the vehi-
cle can roll:
1.Insert the remote control into the ignition
lock, even with Comfort Access.
2.Move the selector lever to position N.
3.Release the parking brake.
4.Switch off the engine.
5.Leave the remote control in the ignition lock
so that the vehicle can roll.

Care
230
Sports automatic transmission with
double clutch
Before driving into an automatic car wash, per-
form the following steps to ensure that the vehi-
cle can roll:
1.Insert the remote control into the ignition
lock, even with Comfort Access.
2.Engage transmission position N.
3.Release the parking brake.
4.Switch off the engine.
5.Leave the remote control in the ignition lock
so that the vehicle can roll.
The transmission is switched into position P:
>automatically after approx. 30 minutes
>if you remove the infrared remote control
from the ignition lock
Steam jets/high-pressure washers
When using steam jets or high-pressure
washers, ensure that you maintain suffi-
cient clearance to the vehicle and do not exceed
a temperature of 1407/606.
Insufficient clearance or excessive pressure or
temperature can lead to component damage or
water penetration. Follow the operating instruc-
tions of the high-pressure washer.<
When using high-pressure washers, do
not spray against the sensors and cam-
eras, e.g. of the Park Distance Control or Rear
View Camera, for an extended period and main-
tain a distance of at least 1 ft/30 cm.<
Manual car wash
When washing the vehicle by hand, use large
quantities of water and car shampoo if neces-
sary. Clean the vehicle with a sponge or wash-
ing brush, applying light pressure only.
Before cleaning the windshield, deacti-
vate the rain sensor or switch off the igni-
tion to prevent unintentional activation of the
wipers.<
Observe local regulations pertaining to
washing vehicles by hand.<
Headlamps
Do not rub them dry and do not use abrasive or
corrosive cleaning agents.
Loosen dirt, e.g. insects, with shampoo or
insect remover and wash away with copious
quantities of water.
Thaw ice with a windshield deicer and do not
use an ice scraper.
Windows
Clean the inside and outside surfaces of the
windows and the mirrors with window cleaner.
Do not clean the mirrors with cleaners
containing quartz.<
Convertible: retractable hardtop
Proceed as you would in a normal car wash.
When you open a wet hardtop, water
drops may run into the cargo area. If nec-
essary, remove items from the cargo area
beforehand to avoid water stains or soiling.<
Paintwork care
Regular care contributes to value retention and
protects the paintwork against the long-term
effects of damaging substances.
Region-specific environmental influences can
damage the vehicle paintwork. Therefore, it is
important to adapt the frequency and scope of
car care accordingly.
Immediately remove aggressive materials such
as spilled fuel, oil, grease, brake fluid, tree sap or
bird droppings to prevent damage to the paint-
work.
Repairing paintwork damage
Immediately repair scratches or similar
damage, such as that caused by stones
hitting the vehicle, where necessary to prevent
rusting.<
BMW recommends having paintwork damage
repaired by a professional paint repair work-
shop according to BMW specifications using
original BMW paint materials.

Everything from A to Z
258
Everything from A to Z
Index
A
ABS Antilock Brake
System89
ACC, refer to Active cruise
control68
Acceleration assistant, refer to
Launch Control64
Accident, refer to Sending an
Emergency Request238
Activated-charcoal filter for
automatic climate
control109
Active Cruise Control
– indicator lamp71
– malfunction72
– selecting distance70
– sensor72
Active cruise control68
Active steering96
Adaptive brake light
– Brake Force Display97
Adaptive light control102
Additives
– coolant226
Address, entering135,141
Address for navigation
– entering135
Adjusting temperature inside
the car, refer to Automatic
climate control107
Adjusting the thigh support43
Airbags98
– indicator/warning lamp99
– sitting safely42
Air conditioning mode
– automatic climate
control107
– ventilation109
Air distribution
– automatic107
Airing, refer to Ventilation109Air pressure, refer to Tire
inflation pressure208
Air recirculation, refer to
Recirculated-air mode108
Air supply
– automatic climate
control107
– ventilation109
Air vents106
Air volume108
AKI, refer to Fuel
specifications207
Alarm system32
– avoiding unintentional
alarms33
– interior motion sensor33
– switching off an alarm32
– tilt alarm sensor33
Albums of music
collection174
ALL program108
All-season tires, refer to
Winter tires221
All-wheel drive, refer to
xDrive90
AM, waveband157
Ambient air, refer to
Recirculated-air mode108
Antenna for mobile phone184
Antifreeze
– coolant226
– washer fluid66
Antilock Brake System
ABS89
Anti-theft alarm system, refer
to Alarm system32
Anti-theft system27
Approved axle loads, refer to
Weights249
Approved gross vehicle
weight, refer to Weights249
Armrest, refer to Center
armrest115Arrival time, refer to
Computer77
Ashtray117
Assist systems, refer to
Driving stability control89
AUC Automatic recirculated-
air control108
Audible instructions, refer to
Spoken instructions146
Audio154
– controls154
– switching on/off154
– tone control154
– volume154
Audio device, external115
Automatic
– air distribution107
– air volume107
– cruise control66,68
– headlamp control101
Automatic car washes229
Automatic climate control106
Automatic curb monitor50
Automatic high beams and
low beams, refer to High-
beam assistant103
Automatic recirculated-air
control AUC108
Automatic Service
Request202
Automatic transmission with
Steptronic58
– interlock58
– overriding selector lever
lock59
– shiftlock, refer to Changing
selector lever position58
– sport program59
– towing
241
– tow-starting241
AUTO program for automatic
climate control107

Everything from A to Z
260 Care229
– automatic car washes229
– care products229
– carpets232
– CD/DVD drives232
– chrome parts231
– displays232
– exterior229
– fine wood parts232
– headlamps230
– high-pressure washer230
– interior231
– leather231
– light-alloy wheels231
– paintwork230
– plastic parts232
– retractable hardtop230
– rubber seals231
– safety belts232
– sensors and cameras232
– upholstery and cloth
trim231
– washing the car
manually230
– windows230
Cargo, securing130
Cargo area
– capacity249
– Comfort Access34
– folding up the floor
panel120
– lamp, refer to Interior
lamps105
– opening from inside31
– opening from outside31
Cargo loading129
– securing cargo130
– stowing cargo130
– vehicle129
Car jack
– jacking points236
Car key, refer to Integrated
key/remote control26
Car phone
– installation location, refer to
Center armrest115
– refer to separate Owner's
ManualCar phone, refer to
Telephone184
Car radio, refer to Radio157
Car shampoo232
Catalytic converter, refer to
Hot exhaust system127
CD, audio playback165
CD changer165,169
– controls154
– fast forward/reverse167
– filling or emptying the
magazine170
– random play sequence166
– selecting a track165
– switching on/off154
– tone control154
– volume154
CD player165
– controls154
– fast forward/reverse167
– random play sequence166
– selecting a track165
– switching on/off154
– tone control154
– volume154
Center armrest115
Center brake lamp
– replacing bulb235
Center console, refer to
Around the center
console14
Central locking
– from inside30
– from outside27
Central locking system27
– Comfort Access33
– hotel function31
– setting unlocking
characteristics28
Changes, technical, refer to
For your own safety5
Changing bulbs, refer to
Lamps and bulbs233
Changing gears62
Changing the language on the
Control Display87
Changing the measurement
units on the Control
Display80Changing wheels236
Chassis number, refer to
Engine compartment223
Check Control84
Child restraint fixing system
LATCH53
Child restraint systems52
Child seats, refer to
Transporting children
safely52
Chrome parts232
Chrome polish232
Cigarette lighter, refer to
Lighter117
Cleaning headlamps66
– washer fluid66
Cleaning your BMW, refer to
Care229
Climate control
– automatic air
distribution
107
Clock75
– 12h/24h mode83
– setting the time and date83
– setting time83
Closing
– from inside30
– from outside27
Clothes hooks116
Cockpit10
Cold start, refer to Starting the
engine56
Comfort Access33
– replacing the battery35
Comfort access, refer to
Comfort Access33
Comfort area, refer to Around
the center console14
Compartment for remote
control, refer to Ignition
lock55
Compass113
Computer76
– displays on Control
Display77
Computer, refer to iDrive16
Concierge service199
Condensation, refer to When
the vehicle is parked128