2008 BMW 328I CONVERTIBLE fuel pressure

Technology for driving comfort and safety
96 equipped with a tire pressure monitoring sys-
tem, TPMS, that illuminates a low tire pressure
telltale when one or more of your tires are signif-
icantly under-inflated. Accordingly, when the
low tire pressure telltale illuminates, you should
stop and check your tires as soon as possible,
and inflate them to the proper pressure. Driving
on a significantly underinflated tire causes the
tire to overheat and can lead to tire failure.
Underinflation also reduces fuel efficiency and
tire tread life, and may affect the vehicle’s han-
dling and stopping ability. Please note that the
TPMS is not a substitute for proper tire mainte-
nance, and it is the driver’s responsibility to
maintain correct tire pressure, even if underin-
flation has not reached the level at which the
TPMS low tire pressure telltale illuminates.
The TPMS malfunction indicator is combined
with the low tire pressure telltale. When the sys-
tem detects a malfunction, the telltale will flash
for approximately one minute and then remain
continuously lit. This sequence will continue
upon subsequent vehicle startups as long as
the malfunction exists. When the malfunction
indicator is illuminated, the system may not be
able to detect or signal low tire pressure as
intended. TPMS malfunctions may occur for a
variety of reasons, including the installation of
replacement or alternate tires or wheels on the
vehicle that prevent the TPMS from functioning
properly. Always check the TPMS malfunction
telltale after replacing one or more tires or
wheels on your vehicle to ensure that the
replacement or alternate tires and wheels allow
the TPMS to continue to function properly.
Active steering*
The concept
Active steering varies the turning angle of the
front wheels in relation to steering wheel move-
ments. It also varies the steering force required
to turn the wheels depending on the speed at
which you are driving.
When you are driving in the low road-speed
range, e.g. in a town or when parking, the steer-
ing angle increases, i.e. the steering becomes very direct, and less effort is required to turn the
wheels. In the higher speed range, on the other
hand, the steering angle is reduced more and
more. This improves the handling capability of
your BMW over the entire speed range.
In critical situations, the system can make tar-
geted corrections to the steering angle pro-
vided by the driver and thus stabilize the vehicle
before the driver intervenes. This stabilizing
intervention is simultaneously deactivated
when DSC is switched off, refer to page90.
Malfunction
The warning lamps come on. Active
steering is no longer operational. At
low speeds, greater steering wheel
movements are required, whereas at
higher speeds the vehicle reacts more sensi-
tively to steering wheel movements. The stabil-
ity-enhancing feature may also be deactivated.
Drive cautiously and think well ahead. Have the
system checked.
Brake Force Display
On the left: normal braking
On the right: sharp braking

Things to remember when driving
124
Things to remember when driving
Break-in period
Moving parts need breaking-in time to adjust to
each other. Please follow the instructions below
in order to achieve the optimal service life and
economy of operation for your vehicle.
Engine and differential
Always obey all official speed limits.
Up to 1,200 miles/2,000 km
Drive at varying engine and road speeds, but do
not exceed an engine speed of 4500 rpm or a
road speed of 100 mph/160 km/h.
Avoid full-throttle operation and use of the
transmission's kick-down mode.
After driving 1,200 miles/2,000 km
Engine and vehicle speeds can be gradually
increased.
Tires
Due to technical factors associated with their
manufacture, tires do not achieve their full trac-
tion potential until after an initial break-in
period. Therefore, drive cautiously during the
first 200 miles/300 km.
Brake system
Brakes require an initial break-in period of
approx. 300 miles/500 km to achieve optimized
contact and wear patterns between brake pads
and rotors. Drive cautiously during this break-in
period.
Clutch
The function of the clutch reaches its optimal
level only after a distance driven of approx.
300 miles/500 km. During this break-in period,
engage the clutch gently.
Following part replacement
The same break-in procedures should be
observed if any of the components mentioned
above have to be renewed in the course of the
vehicle's operating life.
Saving fuel
The fuel consumption of your vehicle depends
on several factors. You can lower fuel consump-
tion and the environmental impact by taking
certain measures, adjusting your driving style
and having the vehicle serviced regularly.
Remove any unneeded cargo
Additional weight increases fuel consumption.
Remove any mounted parts after you
have finished using them
Remove unneeded additional mirrors, the roof
rack and the rear luggage rack after use.
Mounted parts affect the vehicle's aerodynam-
ics and increase fuel consumption.
Close the windows and glass roof
An open glass roof or window causes higher air
resistance and thus increases fuel consump-
tion.
Check tire inflation pressure regularly
Check the tire inflation pressure at least twice a
month and before embarking on a long journey,
and correct it if necessary.
Low tire inflation pressure causes higher rolling
resistance and thus increases fuel consumption
and tire wear.
Set off immediately
Do not let the engine warm up while the car is
still standing, but set off immediately at moder-
ate engine speed. This is the fastest way for the
cold engine to reach its operating temperature.

Everything from A - Z
252
Everything from A - Z
Index
"..." Identifies Control Display
texts used to select
individual functions and
refers you to the page where
these texts can be found.
A
ABS Antilock Brake
System89
ACC, refer to Active cruise
control67
Accident, refer to Sending an
Emergency Request236
Activated-charcoal filter for
automatic climate
control108
"Activation time"109
Active cruise control67
– indicator lamps70
– malfunction71
– selecting distance69
– sensor71
Active steering96
– warning lamp96
Adaptive Head Light101
"Add digits" for mobile
phone194
Additives
– coolant227
"Address book" in
navigation142
Address for navigation
– deleting144
– entering134,142
– selecting143
– storing142
– storing current position143
"Add to destination
list"137,139
Adjusting temperature inside
the car, refer to Automatic
climate control105Adjusting the thigh support46
Adjusting the tone during
audio operation, refer to
Tone control161
Airbags97
– indicator/warning lamp98
– sitting safely45
Air conditioning mode
– automatic climate
control105
– ventilation107
Air distribution
– automatic106
– individual105
Air flow rate106
Airing, refer to Ventilation107
Air pressure, refer to Tire
inflation pressure212
Air recirculation, refer to
Recirculated-air mode106
"Air recirculation on / off"54
Air supply
– automatic climate
control105
– ventilation107
Air vents104
AKI, refer to Fuel
specifications211
Alarm system35
– avoiding unintentional
alarms36
– interior motion sensor36
– switching off an alarm35
– tilt alarm sensor36
"All channels" for satellite
radio171
All-season tires, refer to
Winter tires223
"All stations", displaying with
the radio164
All-wheel drive, refer to
xDrive90
"AM", waveband160,164Ambient air, refer to
Recirculated-air mode106
Antenna for mobile phone186
Antifreeze
– coolant227
– washer fluid65
Anti-theft alarm system, refer
to Alarm system35
Anti-theft system29
Approved axle loads, refer to
Weights247
Approved gross vehicle
weight, refer to Weights247
Armrest, refer to Center
armrest114
Arrival time, refer to
Computer76
Arrival time, refer to Starting
destination guidance147
Arrow display for
navigation148
"Arrow display" in
navigation148
Ashtray
– front116
– rear116
Assistance systems, refer to
Driving stability control
systems89
Assistance window20
– refer to iDrive20
AUC Automatic recirculated-
air control106
"Audio"163,167
Audio160
– controls160
– switching on/off160
– tone control161
– volume161
"Audio", refer to Tone
control161
Audio device, external114

Everything from A - Z
258 Fast forward
– CD changer177
– CD player177
"Fast route" in navigation145
Filter
– refer to Microfilter/activated-
charcoal filter for automatic
climate control108
Fine wood, refer to Caring for
your vehicle brochure
First aid pouch237
Fixture for remote control,
refer to Ignition lock59
Flashlight, refer to LED hand
lamp114
Flash when locking/
unlocking31
Flat tire
– Run-Flat Tires222
– Tire Pressure Monitor
TPM93
Flat Tire Monitor FTM92
– indicating a flat tire93
– indicator/warning lamp93
– initializing the system92
– malfunction93
– snow chains92,223
– system limits92
Flat tires, refer to Tire
condition221
Floor mats, carpets, refer to
Caring for your vehicle
brochure
Fluid reservoir, refer to
Washer fluid reservoir65
"FM", waveband160,164
FM, waveband164
Fog lamps102
– indicator lamp13,102
Folding in the mirrors, before
driving into a car wash52
Folding up the floor panel119
Footbrake, refer to Braking
safely126
Footwell lamps, refer to
Interior lamps103
For your own safety5
Four-wheel drive, refer to
xDrive90Frequency, selecting
manually165
Front airbags97
FTM, refer to Flat Tire
Monitor92
Fuel211
– average consumption76
– gauge75
– high-quality brands211
– quality211
– specifications211
– tank contents, refer to
Capacities247
Fuel clock, refer to Fuel
gauge75
Fuel display, refer to Fuel
gauge75
Fuel filler door210
– releasing in the event of
electrical malfunction210
Fuses235
G
Garage door opener, refer to
Integrated universal remote
control110
Gasoline
– refer to Average
consumption76
Gasoline, refer to Required
fuel211
Gasoline display, refer to Fuel
gauge75
Gear indicator, automatic
transmission with
Steptronic61
Gearshift lever
– automatic transmission with
Steptronic62
– manual transmission61
Gearshifts
– automatic transmission with
Steptronic62
– manual transmission61
General driving notes125Glass roof, electric39
– closing after electrical
malfunction40
– convenient operation30,32
– initializing40
– opening, closing39
– operation with convenient
access37
– pinch protection system40
– power failure40
– raising39
– remote control30
Glove compartment113
– LED hand lamp114
GPS navigation, refer to
Navigation system132
Grills104
Gross vehicle weight, refer to
Weights247
H
Handbrake, refer to Parking
brake60
Hand lamp, refer to LED hand
lamp114
Hands-free system14
Hazard warning flashers14
HDC Hill Descent Control90
"HD radio"167
HD radio, refer to High
Definition Radio167
Head airbags97
Headlamp control,
automatic100
Headlamp flasher63
– indicator lamp11,13
Headlamps
– care, refer to Caring for your
vehicle brochure
Head restraints47
– front, removing48
– rear, removing48
– sitting safely45
Heated
– mirrors53
– rear window107
– seats49

Everything from A - Z
262 "New route"151
New tires222
"Next entertainment
source"54
North-facing map149
Nozzles104
Number of cylinders, refer to
Engine data244
Nylon rope, refer to Tow
rope240
O
OBD socket, refer to Socket
for On-Board Diagnosis230
Octane ratings, refer to Fuel
specifications211
Odometer74
Oil, refer to Engine oil225
Oil consumption225
Oil level225
Old batteries, refer to
Disposal235
"On a new destination" in
navigation141
"Onboard info"76
Onboard tool kit231
"On destination"141
"On location"141
Opening and closing
– convenient access36
– from inside32
– from outside29
– using the door lock32
– via the remote control29
Operation by voice for mobile
phone197
– adjusting volume198
– canceling197
– correcting phone
number198
– dialing phone number198
– placing a call198
– redialing198
– voice commands197
– voice phone book198
"Options"205
Orientation menu, refer to
Start menu17Outlets
– refer to Ventilation107
Output, refer to Engine
data244
Outside-air mode
– automatic climate
control106
Outside-temperature
display74
– changing units of
measure78
– in computer78
Outside temperature
warning74
Overheated engine, refer to
Coolant temperature75
Overriding selector lever
lock63
P
Park assistant, refer to Park
Distance Control88
"Parked car operation"108
"Parked car ventilation"108
Parked car ventilation108
– activating switch-on
times109
– preselecting switch-on
times108
– switching on and off
directly108
Parking
– vehicle60
Parking aid, refer to PDC Park
Distance Control88
Parking brake60
– indicator lamp61
Parking lamps100
Parking lamps/low beams100
Passenger-side mirror tilt
function53
"Pathway lighting"101
Pathway lighting101
"PDC"88
PDC Park Distance Control88
Personal Profile28
"Perspective"149
Phone book191Phone numbers
– deleting from phone
book195
– dialing193
– most recent numbers194
– selecting in phone book194
– Top 8194
Pinch protection system
– glass roof, electric40
– windows39
Placing a call, refer to
telephone owner's manual
"Play" for satellite radio171
Pollen
– refer to Microfilter/activated-
charcoal filter for automatic
climate control108
Position
– displaying155
– saving, refer to Storing
current position143
Power failure235
Power windows38
Power windows, refer to
Windows38
"Presets", displaying with the
radio164
"Presets" for satellite
radio171
Pressure, tires212
Pressure monitoring, tires92
– Flat Tire Monitor92
Pressure monitoring of tires,
refer to Tire Pressure
Monitor TPM
93
"Profile"207
Programmable buttons on the
steering wheel11
Programmable memory
keys21
Protection function, refer to
Pinch protection system
– glass roof, electric40
– windows39
Providing medical assistance,
refer to First add pouch237
Puncture
– Flat Tire Monitor92

Everything from A - Z
264 Route145
– arrow display148
– changing151
– display148
– displaying streets and
towns/cities150
– displaying town150
– list150
– map display149
– selecting145
– selecting criteria145
RSC Runflat System
Component, refer to Run-
Flat Tires222
Rubber parts, refer to Caring
for your vehicle brochure
Runflat System Component
RSC, refer to Run-Flat
Tires222
Run-Flat Tires222
– continuing driving with a
damaged tire93
– flat tire93
– Flat Tire Monitor93
– new tires222
– replacing222
– tire inflation pressure212
– winter tires223
S
Safety-belt height
adjustment51
Safety belts51
– belt hand-over52
– damage51
– indicator/warning lamp51
– reminder51
– sitting safely45
Safety belts, care, refer to
Caring for your vehicle
brochureSafety systems
– airbags97
– Antilock Brake System
ABS89
– brake system89
– driving stability control
systems89
– Dynamic Stability Control
DSC89
– rollover protection system,
convertible98
– safety belts51
Safety tires, refer to Run-Flat
Tires222
"SAT"160,170
Satellite radio170
– displaying additional
information171
– enabling170
– selecting channel171
– storing channel171
Saving fuel124
"Scan"
– sampling radio stations165
– sampling tracks on CD175
Scan
– CD changer175
– CD player175
– radio165
"Scan all" for audio mode175
"Scan directory" for audio
mode175
Screen, refer to iDrive
controls16
Screw thread for tow
fitting239
SDARS, refer to Satellite
radio170
Seat adjustment
– electric46
– mechanical46
Seat and mirror memory50
Seat belt reminder, refer to
'Fasten safety belts'
reminder51
Seat heating49Seats45
– adjusting electrically46
– adjusting the seats46
– heating49
– memory, refer to Seat and
mirror memory50
– saving a setting, refer to Seat
and mirror memory50
– sitting safely45
Securing cargo119,121
Securing the vehicle
– from inside32
– from outside29
"Select as
destination"141,205
"Select current speed"86
Selecting a country for
navigation135
Selecting an audio source160
Selecting distance for active
cruise control69
Selecting menu items19
Selecting new scale for
navigation149
Selector lever
– automatic transmission with
Steptronic62
Selector lever lock, refer to
Changing selector lever
positions, shiftlock62
Selector lever positions
– automatic transmission with
Steptronic62
Service, refer to Roadside
Assistance236
Service car, refer to Roadside
Assistance236
Service data in the remote
control229
"Service Info"80,203,226
Service Interval Display, refer
to Condition Based Service
CBS229
"Service Request"196,203
Service requirement display,
refer to Condition Based
Service CBS229
"Service
requirements"80,203,226