2001 BMW 325Ci COUPE engine

27n
IndexDataTechnologyRepairsCar careControlsOverview
Fuel specifications Tire inflation pressure The engine uses lead-free gasoline
only.
Required fuel:
>Premium Unleaded Gasoline,
min. 91 AKI.
AKI = Anti Knock Index
Do not use leaded fuels. The use
of leaded fuels will cause perma-
nent damage to the system's oxygen
sensor and the catalytic converter.<
Proper inflation pressures are on a
sticker attached to the B-pillar and
visible with the driver's door open.Check tire pressuresOn the next page you will find all the tire
pressure and ambient air temperature
specifications stated in the units usually
used in your country (psi; kilopascal).
For vehicles with RDC (Tire Pressure
Control):
After correcting the tire inflation pres-
sure, reactivate the system. Refer to
page 85.462de197
Check tire inflation pressures,
including the space-saver spare
tire, or spare tire, regularly, at least
every two weeks and before beginning
any extended driving. Otherwise, incor-
rect tire pressure can lead to tire
damage and accidents.
Inflate the spare tire to the highest
inflation specified for your vehicle.<

Overview
Controls and features
Operation, care
and maintenance
Owner service procedures
Technical data
Index Advanced technology
31n
IndexDataTechnologyRepairsCar careControlsOverview
Driving:
Steering/Ignition lock63
Starting the engine63
Switching off the engine64
Parking brake65
Manual transmission66
Automatic transmission with
Steptronic67
Turn signal indicator/Headlamp
flasher70
Washer/Wiper system70
Rear window defroster72
Cruise control73
Everything under control:
Odometer75
Tachometer75
Energy Control75
Fuel gauge76
Temperature gauge76
Service Interval Display76
Check Control77
Computer77
Technology for driving comfort
and safety:
Park Distance Control (PDC)81
Automatic Stability Control plus
Traction (ASC+T)82
Dynamic Stability Control (DSC)
with Automatic Differential
Brake (ADB) and Dynamic
Brake Control (DBC)83
Tire Pressure Control (RDC)85Lamps:
Side lamps/Low beams87
Instrument panel lighting87
High beams/Parking lamps88
Fog lamps88
Interior lamps88
Controlling the climate
for pleasant driving:
Air conditioner90
Automatic climate control96
Seat heating101
Roller sun blind101
Interior convenience:
HiFi System101
Glove compartment102
Storage facilities102
Cellular phone104
Ashtray, front104
Cigarette lighter105
Ashtray, rear105
Clothes hooks105
Loading and transporting:
Through-loading system106
Ski bag107
Cargo loading108
Roof-mounted luggage rack109

33n
IndexDataTechnologyRepairsCar careControlsOverview
Electronic vehicle immobilizer The key to securityYour BMW is equipped with a passive
antiÐtheft system. This electronic immo-
bilization system is designed to reduce
the susceptibility of the vehicle to theft
by making it impossible to start the
engine using any means other than the
special keys furnished with the vehicle.
Your BMW center can cancel the elec-
tronic system authorization for indi-
vidual keys (in the event of loss, for
instance). A deactivated key can no
longer be used to start the engine.46cde060
How the electronics workAt the heart of this system is an elec-
tronic chip that is integrated into the
key. The lock mechanism itself is actu-
ally a dual-function device, serving as a
communications interface designed to
allow the vehicle's electronics system
to maintain a continuous stream of vari-
able, vehicle-specific signals with the
electronic circuitry in the key. The
system will not release the ignition, fuel
injection and starter unless it recog-
nizes an "authorized" key.
Force applied to the key can
damage the integrated electronic
circuitry. A damaged key can no longer
be used to start the engine.<

63n
IndexDataTechnologyRepairsCar careControlsOverview
0 Steering lock engaged The key can only be inserted or
removed in this position.
After removing the key, turn the
steering wheel slightly to the left or right
until the lock engages.
If the key is not removed, a signal will
sound after the driver's door has been
opened.
Vehicles with automatic transmis-
sion:
Do not move the selector lever from the
"Park" position until the engine is
running (ignition key at position 2).
In order to turn the key back to posi-
tion 0 or to remove it, move the selector
lever into position "Park" first (Inter-
lock).<46cde093
1 Steering lock disengaged Turning the steering wheel slightly to
the right or left often makes it easier to
turn the key from 0 to 1.
Individual electrical devices are ready
for operation.2 Ignition onAll electrical devices and accessories
are available for use.3 Starting the engine
Vehicles with manual transmis-
sion:
Step on the clutch when starting the
vehicle. A lockout prevents the engine
from starting if the clutch is not
depressed.<
Before starting>Engage the parking brake.
>Put manual-shift gear lever in the
idling position or in P for automatic
transmissions.
>Step on the clutch pedal.
Do not run the engine in enclosed
areas. The exhaust gases contain
carbon monoxide, an odorless and
colorless, but highly toxic gas.
Breathing the exhaust gases poses an
extreme health risk, and can lead to
unconsciousness and death.
Do not leave the vehicle unattended
with the engine running. An unat-
tended vehicle with a running engine
represents a potential safety hazard.<
Steering/Ignition lock Starting the engine

64n
Starting the engine Switching off the engine Do not press the accelerator pedal
while starting the engine.
Do not actuate the starter for too
short a time, but do not actuate it
for more than approx. 20 seconds.
Release the ignition key immediately
when the engine starts.
Do not allow the engine to warm up by
leaving it running while the vehicle
remains stationary. Instead, begin
driving immediately at a moderate
engine speed.<
If the engine does not start on the first
attempt (if it is very cold or hot, for
instance):
>Press the accelerator pedal halfway
down while engaging the starter.
Cold starts at very low temperatures,
starting at about +57 (Ð156) and
at high altitudes above 3,300 ft
(1,000 meters):
>On the first start attempt, engage the
starter for a longer period (approx.
10 seconds).
>Press the accelerator pedal halfway
down while engaging the starter.
Engine idle speed is controlled by the
engine computer system. Increased
speeds at start-up are normal and
should decrease as the engine warms
up. If engine speed does not decrease,
service is required.
To prevent the battery from
discharging, always deactivate
electrical devices that are not in
use. Switch the ignition off when the
vehicle is not being driven.Turn the ignition key to position 1 or 0.
Do not remove the ignition key
while the vehicle is still moving.
If you did so, the steering lock would
engage when the steering wheel is
turned.
Whenever you leave the vehicle, always
remove the ignition key and lock the
steering wheel.
Vehicles with manual transmission:
Always apply the parking brake when
parking on slopes and inclined
surfaces, since placing the shift lever in
1st gear or reverse may not provide
adequate resistance to rolling.
Vehicles with automatic transmission:
Place the selector lever in "Park."<

66n
Manual transmission Press the clutch pedal all the way down
each time you shift, pressing the
manual-shift gear lever into its proper
end position.
Depress the clutch when starting the
vehicle, too, otherwise, lockout will
prevent the engine from starting if the
clutch is not depressed.
The shift lever's neutral plane (dot in the
illustration) is located between 3rd and
4th gears.
When shifting from each gear into
"Neutral," the shift lever returns auto-
matically to this neutral position
because of its spring loading.460us024
Reverse Select only when the vehicle is
stationary. Press the shift lever to the
left to overcome the slight resistance.
As you do this, the backup lamps will
turn on automatically when the ignition
key is in position 2.
Do not hold the vehicle in place on
slopes by slipping or "riding" the
clutch. Use the parking brake instead.
Otherwise, riding the clutch will cause
tremendous wear and tear to the
clutch.<

67n
IndexDataTechnologyRepairsCar careControlsOverview
Automatic transmission with Steptronic
*
You have the option of driving with a
normal automatic transmission or
switching to manual.
When you move the selector lever from
the "D" position to the left into the M/S
range, the performance-oriented shift
programs of the automatic transmission
are engaged. As soon as you even
begin to move the selector lever toward
the "+" or tap "Ð", Steptronic shifts the
gear and manual operation becomes
active. Whenever you want to use the
automatic mode again, move the
selector lever to the right into posi-
tion "D."
The automatic transmission with Step-
tronic is equipped with Adaptive Trans-
mission Control (ATC). ATC reacts with
precision to your individual driving style
and the current driving conditions. It is
for this reason that various shift
programs are used.
You will find additional information
about ATC in the chapter called
"Advanced Technology" on page 174.
Selector lever positions
P R N D M/S + Ð
Starting the engineThe engine can only be started in
selector lever positions P ("Park") or N
("Neutral").Range selectionA detent prevents inadvertent shifts into
certain selector lever positions. To
disengage the detent, press the button
on the front of the shift knob (arrow).462us044
While the vehicle is stationary and
before shifting out of "Park" or
"Neutral," depress the brake, other-
wise you will not be able to move the
selector lever (Shiftlock).
Hold the footbrake down until starting
off. Otherwise the vehicle will "creep"
when a drive position is engaged.<
If you leave the vehicle with the
engine running, move the selector
lever to the "Park" or "Neutral" position
and apply the parking brake. If you fail
to do this, the vehicle could move. Do
not leave the vehicle unattended with
the engine running. An unattended
vehicle with a running engine repre-
sents a potential safety hazard.<
P ParkSelect only when the vehicle is
stationary. The transmission locks to
prevent the rear wheels from turning.R ReverseSelect only when the vehicle is
stationary.N NeutralSelect only if your journey is interrupted
for a longer period.

68n
Automatic transmission with Steptronic
*
D Drive (automatic shift program)This position is designed for driving
under all normal operating conditions.
All forward gears are available, the
Adaptive Transmission Control (ATC) is
fully operational."Kickdown"In the "Kickdown" mode, you achieve
maximum performance. To activate this
mode, depress the accelerator pedal
beyond the full-throttle position, at
which a resistance point must be
overcome.
M/S Manual mode and
Sport ProgramShifting from D into M/S activates the
Sport Program and indicates SD in the
gear indicator. This position is recom-
mended for a performance-oriented
driving style.
With the first brief touch, the automatic
transmission shifts from the Sport
Program to the manual mode. When
you move the selector lever forward in
the "+" direction, the transmission shifts
up. When the lever is moved back in the
"Ð" direction, the transmission shifts
down. M1 to M5 appear in the gear
indicator.462us045
Upshifts or downshifts will be carried
out by the ATC only at appropriate
engine and road speeds, e. g. the
engine will not downshift if engine
speed is too high. The gear selected
will appear briefly in the instrument
cluster followed by the current gear.
To accelerate quickly in the
manual mode (to pass another
vehicle, for instance), shift down manu-
ally or employ the kickdown mode.<
Shifting from M/S to the selector lever
positions P, R and N is possible only by
going through D.