2011 BMW 135I CONVERTIBLE width

Controls
45Reference
At a glance
Driving tips
Communications
Navigation
Entertainment
Mobility
Electrical adjustment*
Observe the adjustment instructions
above to ensure the best possible per-
sonal protection.<
1Longitudinal direction
2Height
3Angle
4Backrest
The head restraints are adjusted manually, refer
to Head restraints on page46.
Lumbar support*
You can also adjust the contour of the backrest
to obtain additional support in the lumbar
region.The upper hips and spinal column receive sup-
plementary support to help you maintain a
relaxed, upright sitting position.
>Increase or decrease curvature: press the
switch at the front or rear, respectively.
>Shift curvature up or down: press the switch
at the top or bottom, respectively.
Backrest width*
You can change the width of the backrest to suit
your individual preferences by adjusting the lat-
eral-support pads.
Press the front or rear end of the switch.
Backrest width decreases or increases accord-
ingly.
To move the front seats forward or backward
from outside or from one of the rear seats: with
the door open, press the front end 1 or rear end
2 of the switch.

Adjustments
48
Heated seats*
Press the button once per temperature level.
Three LEDs indicate the highest temperature.
To switch off:
Press button longer.
If you continue driving within approx.
15 minutes, the seat heating is automatically
activated at the previously set temperature.
The temperature is lowered or the heating is
switched off entirely to save on battery power.
The LEDs stay lit.
Seat and mirror memory*
You can store and call up two different combi-
nations of driver's-seat and exterior-mirror
positions.
Settings for the backrest width and lumbar sup-
port are not stored in memory.
Storing
1.Switch on radio readiness or the ignition,
refer to page55.
2.Adjust the seat and exterior mirrors to the
desired positions.3.Press the button.
The LED in the button lights up.
4.Press the desired memory button 1 or 2: the
LED goes out.
Call-up
Do not call up the memory while you are
driving; otherwise, unexpected seat
movement could result in an accident.<
Comfort function
1.Unlock and open the driver's door or switch
on radio readiness, refer to page55.
2.Briefly press the desired memory button1
or 2.
The adjusting procedure is halted when you
touch a seat adjustment switch or one of
the memory buttons.
Safety feature
1.Close the driver's door and switch the igni-
tion on or off, refer to page55.
2.Press the desired memory button1 or2
and keep it pressed until the adjustment
process has been completed.
If the button was pressed accidentally:
Press the button again; the LED goes out.
Call-up with the remote control
The driver's seat position last set is stored for
the remote control currently in use.
You can select whether or not the seat is reset
to that position automatically.
When this Personal Profile function is
used, first make sure that the footwell
behind the driver's seat is free of obstacles.
Failure to do so could cause injury to persons or
damage to objects as a result of a rearward
movement of the seat.<
The adjusting procedure is halted when you
touch a seat adjustment switch or one of the
memory buttons.

Transporting children safely
52
Transporting children safely
The right place for children
Do not leave children unattended in the
vehicle; otherwise, they could endanger
themselves and/or other persons by opening
the doors, for example.<
Children always in the rear
Accident research has shown that the safest
place for children is on the rear seat.
Children under the age of 13 or smaller
than 5 ft/150 cm may be transported only
in the rear in suitable child restraint systems
appropriate for their age, weight and size. Oth-
erwise, there is an increased risk of injury in the
event of an accident.<
Children 13 years of age or older must be buck-
led in with a safety belt as soon as there no
longer is any child restraint system that is
appropriate for their age, size and weight.
Children in the front passenger seat
Should it be necessary to use a child
restraint system on the front passenger
seat, the front and side airbags for the front pas-
senger must be deactivated. Otherwise, a child
traveling on that seat will face a significant risk
of injury if the airbags are triggered off, even
with a child restraint system.<
For more information on automatic deactivation
of the front passenger airbags refer to page88.
Installing child restraint
systems
Observe the child restraint system manu-
facturer's instructions when selecting,
installing and using child restraint systems.
Otherwise, the protective effect may be dimin-
ished. to be secured with a lap belt or with the lap-belt
section of a lap-and-shoulder belt. Incorrectly
or improperly installed child restraint systems
can increase the risk of injury to children.
Always follow the installation instructions for
the system with the greatest care.
On the front passenger seat
After installing a child restraint system on
the front passenger seat, make sure that
the front and side airbags for the front passen-
ger are deactivated; otherwise, there is an
increased risk of injury if the airbags deploy.<
Seat position
Before installing a child restraint system, move
the front passenger seat as far back and up as
possible to obtain the best possible position for
the belt. Do not change the seat position after
this.
Backrest width*
The backrest width of the front passenger
seat must be at its widest possible set-
ting. Do not change the setting after installing
the child seat. Otherwise, the child seat's stabil-
ity on the front passenger seat is limited.<
1.Adjust the backrest width to its widest set-
ting, refer to page45.
2.Install the child seat.

Wheels and tires
198
Tire identification marks
Knowledge of the labeling on the side of the tire
makes it easier to identify and choose the right
tires.
Tire size
Speed code letter
Q = up to 100 mph or 160 km/h
T = up to 118 mph or 190 km/h
H = up to 131 mph or 210 km/h
V = up to 150 mph or 240 km/h
W = up to 167 mph or 270 km/h
Y = up to 186 mph or 300 km/h
Tire Identification Number
Tires with DOT codes meet the guidelines of
the US Department of Transportation.
DOT code:
Tire age
The manufacturing date of tires is contained in
the tire coding: DOT … 1010 means that the
tire was manufactured in week 10 of 2010.
BMW recommends that you replace all tires
after 6 years at most, even if some tires may last
for 10 years.
Uniform Tire Quality Grading
Quality grades can be found where applicable
on the tire sidewall between tread shoulder and
maximum section width. For example:
Tread wear 200 Traction AA
Temperature A
DOT Quality Grades
Tread wear
Traction AA A B C
Temperature A B C
All passenger car tires must conform to
Federal Safety Requirements in addition
to these grades.<
Tread wear
The tread wear grade is a comparative rating
based on the wear rate of the tire when tested
under controlled conditions on a specified gov-
ernment test course. For example, a tire graded
150 would wear one and one-half (1γ) times as
well on the government course as a tire graded
100. The relative performance of tires depends
upon the actual conditions of their use, how-
ever, and may depart significantly from the
norm due to variations in driving habits, service
practices and differences in road characteris-
tics and climate.
Traction
The traction grades, from highest to lowest, are
AA, A, B, and C.
These grades represent the tire's ability to stop
on wet pavement, as measured under con-
trolled conditions on specified government test
surfaces of asphalt and concrete. A tire marked
C may have poor traction performance.
The traction grade assigned to this tire is
based on straight-ahead braking traction
tests, and does not include acceleration, cor-
nering, hydroplaning, or peak traction charac-
teristics.< e.g.
Nominal width in mm
Aspect ratio in Ξ
Radial belt construction
Rim diameter in inches
Load rating,
not on ZR tires
Speed code letter, in
front of the R on ZR tires
225/45 R1791 V
e.g.
Manufacturer's
code for tire make
Tire size and
tire design
Tire ageDOT xxxx xxx 1010

Mobility
209Reference
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 CareProducts 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 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
page227.
>If necessary, fold in the outside rearview
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.<
>In Convertibles, do not treat the convertible
top with wax. Ensure that a program is avail-
able that does not apply wax or is designed
specifically for convertibles.
Preparations before driving into an automatic
car wash:
>Unscrew the rod antenna
*.
>Deactivate the rain sensor
* to prevent unin-
tentional wiping.
>Remove additional attachments, e.g. spoil-
ers or telephone antennas, if there is a pos-
sibility that 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.

Reference 239
At a glance
Controls
Driving tips
Communications
Navigation
Entertainment
Mobility
B
Backrests, refer to Seats44
Backrest width adjustment45
Back seats, refer to Rear seats
– adjusting head restraints46
Backup lamp, replacing
bulb216
Bag for skis, refer to Ski
bag107
Band-aids, refer to First aid
pouch219
Bar, refer to Tow-starting,
towing away222
Base plate for telephone or
mobile phone
– refer to Snap-in adapter180
Bass, tone setting140
Battery217
– charging218
– disposal35,218
– jump-starting220
– replacing217
– temporary power failure218
Battery for mobile phone181
Battery renewal
– remote control for vehicle35
Being towed222
Belts, refer to Safety belts49
Belt tensioner, refer to Safety
belts49
Beverage holders, refer to
Cupholders105
Blower, refer to Air volume98
Bluetooth, activating/
deactivating172
BMW
– car shampoo210
BMW Assist184
BMW Maintenance
System207
BMW Search186
Bottle holders, refer to
Cupholders105
Brake Assist, refer to Dynamic
Brake Control81
Brake fluid
– service requirements72
Brake Force Display87Brake lamps
– Brake Force Display87
– replacing bulb216
Brake pads, breaking in112
Brake rotors114
– brakes112
– breaking in112
Brakes
– ABS81
– BMW Maintenance
System207
– braking safely114
– breaking in112
– parking brake57
– service requirements72
Brake system112
– BMW Maintenance
System207
– breaking in112
– disc brakes114
Breakdown services, refer to
Roadside Assistance219
Breaking in the clutch112
Break-in period112
Bulb changing, refer to Lamps
and bulbs213
Bulbs, changing213
Button for starting the
engine55
Buttons on the steering
wheel11
C
California Proposition 65
warning6
Call
– accepting173
– ending174
– rejecting174
Calling, refer to Phone
numbers, dialing174
Calling, refer to Telephone
owner's manual
Can holders, refer to
Cupholders105
Capacities230
Capacity of the cargo area229Car battery, refer to Vehicle
battery217
Car care, refer to Care209
Care209
– automatic car washes209
– care products209
– carpets212
– CD/DVD drives212
– chrome parts211
– convertible top210
– displays212
– exterior209
– fine wood parts212
– headlamps210
– high-pressure washer210
– interior211
– leather211
– light-alloy wheels211
– paintwork211
– plastic parts212
– rubber seals211
– safety belts212
– sensors and cameras212
– upholstery and cloth
trim211
– washing the car
manually210
– windows210
Cargo, securing116
Cargo area
– capacity229
– Comfort Access34
– enlarging, refer to Through-
loading system106
– lamp, refer to Interior
lamps95
– lid, refer to Trunk lid31
– opening from outside31
Cargo area lid, refer to Trunk
lid31
Cargo area net, refer to
Securing cargo116
Cargo loading115
– securing cargo
116
– stowing cargo115
– vehicle114
Car jack
– jacking points217

Reference 251
At a glance
Controls
Driving tips
Communications
Navigation
Entertainment
Mobility
W
Warning and indicator
lamps13
Warning messages, refer to
Check Control76
Warning triangle220
Washer fluid66
– content of the reservoir66
Washer fluid filler neck66
Waste tray, refer to
Ashtray106
Water on roads, refer to
Driving through water114
Water penetration209,210
Waveband with the radio143
Wear indicators in tires, refer
to Minimum tread depth199
Weights229
Welcome lamps91
Wheelbase, refer to
Dimensions227
Wheels, new200
Wheels and tires194
Width, refer to
Dimensions227
Windows35
– convenient operation28
– convenient operation with
Comfort Access34
– opening, closing35
– pinch protection system36
Window washer system65
Windshield
– cleaning65
– defrosting and removing
condensation98
Windshield wash
– filling capacity, reservoir230
Windshield washer reservoir,
refer to Washer fluid filler
neck66
Windshield washer system
– spray nozzles66
– washer fluid66
Windshield wiper blades,
changing213
Windshield wipers, refer to
Wiper system65Winter tires201
– setting speed limit78
– storage201
Wiper blade replacement213
Wiper system65
Word-matching principle for
navigation129
Wrench/screwdriver, refer to
Onboard vehicle tool kit213
X
Xenon lamps
– replacing bulb214