brake BMW 740I 1998 Owner's Guide

152n
Caring for your carCaring for the vehicle finishRegular washing is a preventive mea-
sure against long-term effects from
substances that are harmful to the vehi-
cle's finish, especially if you drive your
vehicle in areas with high levels of air
pollution or aggressive natural sub-
stances (tree resins, pollen).
Nevertheless, you should immediately
remove especially aggressive sub-
stances. Failure to do so can lead to
changes in the paint's chemical struc-
ture or to discoloration. Gasoline spilled
during refueling, oil, grease and brake
fluid should always be cleaned away
immediately, as should bird droppings.
All of these substances cause damage
to the finish.
Any contamination remaining on the
surface of the vehicle will be especially
conspicuous after washing. Use clean-
ing fluid or alcohol with a clean cloth or
cotton pad to remove. Remove tar
spots with tar remover. After cleaning,
the affected areas should be waxed to
ensure continued protection.
A full range of car-care products is
available from your BMW center.<
Waxing your carProtect the finish using carnauba or
synthetic-based waxes only.
The best way to determine when the
finish needs to be waxed is by noting
when water stops beading on the sur-
face.
You can use a glass cleaner to remove
any wax or silicone that may have been
left on the windows during waxing.
A full range of car-care products is
available from your BMW center.<
Paint damageYou can touch up small areas of dam-
age with BMW spray paint or a BMW
touch-up stick.
The color code of your vehicle is lo-
cated on a tag near the vehicle's data
plate and on the first page of the Ser-
vice and Warranty Information Booklet
(US models) or of the Warranty and Ser-
vice Guide Booklet (Canadian models).
Damage caused by flying stones,
scratches, etc., must be touched up
without delay to prevent rust from form-
ing.
If corrosion has started to form in an
area with paint damage, remove all rust
and clean the area. Then prime the area
with a BMW Primer Stick. Finally, apply
the finish coat. Wait a few days, then
polish the repaired area. Finish by ap-
plying a wax preservative.
More extensive paint damage should be
repaired professionally in accordance
with the manufacturer's instructions.
Your BMW center uses original BMW
finish materials in accordance with ap-
proved repair procedures.

166n
Lamps and bulbsTail lampsTail lamp: 5 watt bulbs
Remaining bulbs: 21 watt
1 Turn signal yellow
2 Backup lamp white
3 Rear lamp assembly/
Side marker lamps red
4 Reflector red
5 Brake lamp red
In the event of a failure of both
lamps of a rear lamp assembly,
the brake lamp assumes the function of
the tail lamps.< 380us102
1 Use the upper handle to fold down
the side panel in the luggage com-
partment
2 Once you have found the lamp holder
for the defective bulb, push it gently
to the rear while turning to the left to
remove
3 Use the same procedure to remove
the bulb.Center (high-mount) brake lamp21 watt bulb
1 Open the luggage compartment lid
2 Remove the grommet from the lamp
holder below the rear parcel tray
3 Press the lamp holder gently while
turning to the left to remove
4 Use the same procedure to remove
the bulb.380de103
License plate lamps5 watt bulb
1 Apply a screwdriver to the narrow
side of the lamp to pry it out
2 Replace the bulb.380de105

170n
Changing tires
Safety measures in the event of a
flat tire or wheel change:
Stop the vehicle as far as possible from
passing traffic. Park on a firm, flat, sur-
face.
Switch on the hazard flashers.
Turn the steering wheel to the straight-
ahead position, remove the key and en-
gage the steering lock. Make sure that
the selector lever is in Park, and engage
the parking brake.
All passengers should be outside the
car and well away from your immediate
working area (for instance, behind a
guardrail).
If a warning triangle or portable hazard
warning lamp is available, set it up on
the roadside at an appropriate distance
from the rear of the vehicle.
Comply with all safety guidelines and
regulations.
Change the wheel only on a level, firm
surface which is not slippery. Avoid
jacking the car on a soft or slippery sup-
port surface (snow, ice, loose gravel,
etc.), since it could slide sideways.
Position the jack on a firm support sur-
face.
Do not place wooden blocks or similar
objects under the jack. If this is done,
the jack might not be able to reach its
full support capacity because of the
limited height. Do not lie under the vehi-
cle or start the engine when the vehicle
is supported by the jack - risk of fatal
injury.<
What you will needIn order to avoid rattling noises later,
note the position of the tools when you
remove them and return them to their
original position when you are through
using them.
>Car jack
Fold the right-hand trim panel of the
luggage compartment down using
the handle at the top.
Loosen the wing nut (arrow 1).
When you have completed work,
screw the jack all the way back down.
Fold the handle back and insert it in
its holder.
>Wedge (wheel chock)
Next to the battery, under the jack.
Remove the jack and loosen the wing
nut (arrow 2).380de639

181n
RepairsIndexOverview Controls Car care Technology Data
Towing the vehicle
The towed vehicle should always
be the lighter of the two vehicles.
If this is not the case, it is no longer
possible to control vehicle response.<
Tow-startingIt is not possible to start the engine of
vehicles equipped with automatic trans-
mission by towing or pushing.
For instructions on jump starting, refer
to page 179.
Never attempt to use your vehicle to
push another car, as damage to the
energy-absorbing bumpers could
result.
Towing a vehicle with automatic
transmission1 Place selector lever in position N
2 Towing speed:
Max. 45 mph (70 km/h)
3 Towing distance:
Max. 95 miles (150 km)
4 Leave the ignition key at position 1 to
ensure that the brake lamps, turn sig-
nals, horn and windshield wipers re-
main operative, and to prevent the
steering lock detent from engaging
5 Switch on the hazard-warning system
(observe country-specific regula-
tions).
Find some means of identifying the ve-
hicle in tow, for instance, place a sign
or warning triangle in the rear window.
Make sure that the ignition key re-
mains in position 1 even when the
electrical system has failed to prevent
the steering lock from engaging.
The steering and brakes are without
power assist when the engine is off.
This means that increased effort is re-
quired for steering and braking.<
Towing with a commercial tow
truck>Do not tow with sling-type equipment
>Use a wheel lift or flat bed equipment
>Please comply with applicable towing
laws.
Never allow passengers to ride in
a towed vehicle for any reason.< 380us124

185n
RepairsIndexOverview Controls Car care Technology Data
In order to take driving conditions into
account, ATC registers corners and
both uphill and downhill gradients. For
example, if you maintain speed through
a curve, the transmission does not up-
shift.
On uphill gradients, it shifts only when
the engine speed increases in order to
make more efficient use of power re-
serves. On downhill gradients ATC
downshifts when the speed of the vehi-
cles increases causing the driver to
step on the brakes.
With respect to road conditions, ATC
monitors the friction between the tires
and the road. The system responds to
slippery road surfaces (snow and ice)
by activating the winter program.
Second gear is used when moving
away from a standstill, upshifts occur
sooner, and on descents downshifting
does not occur in spite of the applica-
tion of brakes. This enables you to
"feel" the road as you drive and pro-
duces greater dynamic stability. If the
friction between the tires and the road
is adequate, the normal system is again
activated. The system also leaves the
winter program when you shift from
drive position "D" to "S," "3" or "2," or if
the ASC+T/DSC
* is deactivated.By recognizing traffic conditions, ATC
can retain maximum driving comfort.
For instance, the system recognizes
stop-and-go traffic and then proceeds
only in second gear until it encounters
higher starting loads.
Of course the selector lever can still be
used to select specific gear ratios. Per-
formance-oriented driving is enabled by
shifting from drive position "D" to "S,"
"3" or "2." Positions "3" and "2" each
limit upshifts to the next gear. Position
"2" is best for driving on steep mountain
slopes with a heavy load.Precision sensors monitor the number
of revolutions of the wheels. When
equipped with DSC, they also monitor
steering angle, lateral acceleration,
brake pressure and the movement of
the vehicle around its vertical axis.
If differences in the wheel speeds oc-
cur, the system counteracts the danger
of wheelspin by reducing torque. If nec-
essary, the system also responds with
additional applications of the brakes at
the rear wheels.
If the system detects an instability in the
vehicle's condition, the braking action
can also be directed to the front wheels
by the DSC in order to stabilize the ve-
hicle.
You may need some time to become
accustomed to this system intervention.
However, it helps provide optimum pro-
pulsive force and driving stability.
The braking intervention may be ac-
companied by a certain degree of
noise.
ATC ASC+T/DSC
*

Everything from A to ZAABS125
Accessories6
Activated-charcoal filter105
Active seat48
Adaptive Transmission
Control (ATC)63
Adding engine oil143
Adding washer fluid142
Adjust the backrest46
Adjusting steering wheel49
Air distribution102
Air flow103
Air jets100
Air pressure132
Airbags55
Alarm system40
Deactivating in an
emergency41
Antenna diversity186
Antifreeze146
Antifreeze, radiator128, 146
Antilock Brake System
(ABS)125
Anti-theft alarm system
32,40
Approved gross vehicle
weight196
Aquaplaning123,132
Armrest111
ASC+T (Automatic Stability
Control plus Traction)92Ashtray114
AUC (Automatic recirculated-
air control)103
Audio System78
Automatic car washes150
Automatic climate
control100
Automatic climate control,
removing window
condensation102
Automatic recirculated-air
control (AUC)103
Automatic Soft-Close
feature38
Automatic Stability Control
plus Traction (ASC+T)92
Automatic steering wheel
adjustment49
Automatic transmission62
Automatic transmission with
Steptronic65
Automatic windshield
washer69
Average fuel consumption 85
Average speed86
Axle loads196
BBackup lamps, bulb
replacement166
Battery173,198
Battery capacity198Battery change, radio remote
control168
Battery charge current20
Battery, discharged179
Battery, removal and
installation175
Belts54
Beverage holders113
Blower103
Body-cavity protectant151
Brake faults128
Brake fluid147
Brake hydraulic system20
Brake lamps, bulb
replacement166
Brakes126
Break-in procedure122
Break-resistant security
glass, care153
Bulb replacement163
CCar jack170
Car Memory53
Car radio reception131, 186
Car telephone113
Car wash150
Care, exterior152
Care, interior154
Caring for the vehicle
finish152
Caring for your car150Catalytic converter124
Cellular phone131
Center (high-mount) brake
lamp166
Central locking system32
Central locking system,
button36
Changing a wheel170
Charge indicator lamp20
Charging the battery174
Check Control75
CHECK key75
Checking the engine oil143
Checking tire pressure26
Child restraints57
Childproof door locks58
Cigarette lighter115
Clock,
refer to Digital clock79
Code88
Refer to the Radio Owner's
Manuel
Codes, tires134
Coin tray113
Cold start60
Comfort seats47
Connecting a car vacuum
cleaner115
Consumption display73
Contour seat48

RepairsIndexOverview Controls Car care Technology Data
Everything from A to Z
203n
Convenience operating mode
for windows and sliding/tilt
roof32
Convenience operating mode
for windows and sliding/tilt
sunroof33
Convenience starting59
Coolant146
Coolant temperature
gauge74
Coolant, antifreeze128
Cooling system, capacity 197
Cruise control70
Cruising range85
DDaytime-driving light
switch96
DBC (Dynamic Brake
Control)127
Defrosting, windows102
Digital clock79
Digital sound processor187
Dimensions195
Dimming feature, interior
rearview mirror50
Dipstick, engine oil143
Disc brakes126
Disconnect the battery175
Displacement194
Displays18
Distance86Distance warning90
Door key30
Door warning lamps, bulb
replacement167
Doors, emergency release 32
Doors, radio remote
control33
Drink holders113
Drive belts198
Driving notes123
DSC (Dynamic Stability
Control)92
Dynamic Brake Control
(DBC)127
Dynamic Stability Control
(DSC)92
EEDC (Electronic Damper
Control)93
Electric power windows42
Electric rear seat
adjustment48
Electric steering wheel
adjustment49
Electrical accessories,
failure176
Electrical system198
Electronic Damper Control
(EDC)93
Electronic immobilizer31Emergency deactivation of
the alarm system41
Emergency release
doors32
fuel filler door178
luggage compartment
lid37
sliding/tilt sunroof178
Energy Control73
Engine coolant146
Engine data194
Engine oil consumption143
Engine oil pressure20
Engine oil specifications144
Estimated time of arrival87
Exterior door handles,
lighted33
Exterior finish, care151, 152
FFailure messages75
First-aid kit24
Fittings for tow-starting
and towing180
Flashlight111
Flat tires132
Fluid, power steering148
Fog lamps97
bulb replacement165
switch97
Footwell lamps98Footwell lamps, bulb
replacement167
For wheelslip control, refer
to ASC+T/DSC92
Front armrest112
Front seat adjustment46
Fuel25
Fuel consumption
indicator73
Fuel filler door25
Fuel filler door,
manual release after
electrical fault178
Fuel gauge73
Fuel specifications25
Fuel tank capacity197
Fuel, average fuel
consumption85
Fuses176
GGasoline25
Glove compartment110
Glove compartment lamp,
bulb replacement167
Gross vehicle weight196HHand brake, refer to Parking
brake61
Handsfree system113
Hazard warning triangle24

RepairsIndexOverview Controls Car care Technology Data
Everything from A to Z
205n
Oil consumption143
Oil level check143
Oil pressure,
indicator lamp20
Oil specifications144
Oil, Engine oil
Capacities197
OILSERVICE74
Onboard computer84
Onboard tool kit162
Opening the luggage
compartment from the
inside38
Outside mirrors50
Outside temperature
display72
PPaint blemishes,
exterior dirt152
Park Distance Control
(PDC)90
Parking aid90
Parking brake61
Parking in winter130
PDC (Park Distance
Control)90
Playing cassettes
Refer to the
Radio Owner's ManuelPlaying CDs
Refer to the
Radio Owner's Manuel
Pocket light111
Power seat adjustment46
Power steering130
Power steering fluid148
Power windows42
Pressure, tires26,132
Pushbutton for central
locking system36
RRadio
Car radio
Refer to the separate
Owner's Manuel
Radio reception131,186
Radio remote control33
Radio remote control,
battery change168
Radio remote control,
new transmitter168
Rain sensor68,150
RDC (Tire Pressure
Control)94
Reading lamps98
Rear passenger-area air
conditioning105
Rear seat adjustment,
electric48
Rear seat heating106Rear window blind107
Rear window defroster70
Rear-seat control
Front passenger's seat 112
Onboard computer112
Radio112
Rear window blind112
Telephone112
Rearview mirrors50
Refueling25
Remote control for onboard
computer89
Removing condensation,
windows102
Replacement keys30
Replacing tires133
Residual heat104
Roof luggage rack118
Roof weight rating196
Rubber seals and
components154
SSafety belt tensioner187
Safety belts54
Safety lock buttons36
Screw-on valve stem
caps134
Seat adjustment46
Seat heating106
Seat memory51
Seat, power46Securing cargo118
Selector lever, automatic
transmission62,65
Service and Warranty
Information Booklet149
Service Interval Display
74,149
Servotronic130
Shoulder support47
Shutting off the engine60
Ski bag116
Skid control130
Sliding/Tilt sunroof44
Sliding/Tilt sunroof with glass
moonroof45
Sliding/Tilt sunroof, closing
after electrical fault178
Sliding/Tilt sunroof,
convenience operating
mode32
Sliding/Tilt sunroof, radio
remote control33
Slippery roads129
Snow chains129,135
Socket115
Spare key30
Spare tire171
Spark plugs198
Speaker113
Special oils144
Speed limit warning87
Speedometer19

Everything from A to ZStarting assistance179
Starting the engine59
Steering130
Steering lock59
Steering wheel adjustment,
automatic49
Steering wheel lock59
Steering wheel memory51
Steering wheel, heated106
Steptronic65
Stopping the vehicle60
Storage facilities113
Sun visors51
Symbols4,173TTachometer72
Tail lamps166
Tail lamps,
bulb replacement166
Tank capacity197
Technical modifications
6,157
Telephone
Refer to Car telephone 131
Telephone hookup113
Temperature adjustment 103
Temperature display, engine
coolant74
Temperature display,
outside temperature72
Third brake lamp166Tilt alarm41
Tire code134
Tire damage132
Tire failure170
Tire inflation pressure 26, 132
Tire Pressure Control
(RDC)94
Tire replacement133
Tire tread132
Tires, specifications136
Tools162
Topping up the windshield/
washer fluid reservoir142
Torque194
Towing eyes180
Towing the vehicle180
Tow-starting180
Track circle195
Transmission62,65
Tread depth, tires132
Trip odometer72
Trunk lid, refer to luggage
compartment lid37
Turn signal22,68
Turn signals, bulb
replacement165,166
Turning circle195
UUniversal Remote
Control108
Used batteries175
VVanity mirrors51
Vehicle battery173
Vehicle identification148
Vehicle Identification
Number148
Vehicle storage156
Ventilation outlet,
ventilation100
Ventilation, draft-free104
Voice input23WWarning lamp "Please fasten
safety belts"21
Warning lamps20
Warnings75
Washer system68
Washing your car150
Water on the roads
Flooding123
Waxing, finish152
Weights196
Wheel lug wrench171
Wheel rims134
Wheelbase195
Wheels and tires134,136
Width195
Windows, convenience
operating mode32
Windows, radio remote
control33
Windows,demisting102Windshield washer
Reservoir capacity197
Windshield washer nozzle
adjustment142
Windshield wiper blades,
replacing162
Windshield wipers68
Windshield, defrosting69
Winter operation128
Winter tires135
Wiper blades, replacing162
Wipers68
Work in the engine
compartment137
XXenon lamps96,164,190

Repairs
Index
Overview
Controls
Car care
Technology
Data
Owner service procedures from A to Z207 n
A
Adding brake fluid 147
Adding engine coolant 146
Adding engine oil 143
Adding fluid, power steering 148
Air pressure 26
B
Backup lamps, bulb
replacement 166
Battery change, radio remote control 168
Battery, checking charge condition 174
Battery, discharged 179
Brake lamps, bulb replacement 166
Brakes, brake faults 128
Bulb replacement 163
C
Changing a wheel 170
Charging the battery 174
Check Control 75
Checking the engine oil 143
Checking tire pressure 26
D
Defrosting, windows102
Difficult steering 130
Doors, manual operation 32
E
Electrical accessories,
failure 176
Electrical fault fuel filler door 178
Sliding/Tilt sunroof 178
Emergency release Doors 32
Fuel filler door 178
Luggage compartment
lid 37
Sliding/Tilt sunroof 178
Engine oil specifications 144
F
Failure messages75
Filling the windshield washer fluid reservoir 142
First-aid kit 24
Fittings, tow-starting and towing 180
Fog lamp,
replace the bulb 165
Footwell lamps, bulb replacement 167 Fuel filler door,
manual release after
electrical fault 178
Fuses, replacing 176
G
Glove compartment lamp,
bulb replacement 167
H
Hazard warning flashers 24
Hazard warning triangle 24
High beam headlamps, bulb replacement 164,165
Hood release 137
I
Indicator lamps 20
Interior lamps, bulb replacement 167
Interior motion sensor, deactivation 41
J
Jump starting 179
L
License plate lamps, bulb
replacement 166
Low beam headlamps, bulb
replacement 164 Luggage compartment
lamps, bulb
replacement 167
Luggage compartment lid, emergency release 37
M
Maintenance74,149
Malfunction displays 75
N
New transmitter, radio re-
mote control 168
O
Oil level check 143
Oil specifications 144
Onboard tool kit 162
P
Power steering,
adding fluid 148
Pressure, tires 26
R
Radio remote control,
battery change 168
Radio remote control, new transmitter 168
Rear lamp assembly 166
Removing condensation, windows 102