1998 BMW 750IL SEDAN brake sensor

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Page 11 of 211

BMW 750IL SEDAN 1998 Owners Manual
Contents

Overview
Controls and features

Cockpit16
Instrument cluster18
Indicator and warning lamps20
Multifunction steering wheel
(MFL)23
Hazard warning flashers24
Warning triangle24
First-aid

Page 30 of 211

BMW 750IL SEDAN 1998 Owners Manual Overview
Controls and features
Operation, care
and maintenance
Owner service procedures
Technical data
Index Advanced technology
29n
RepairsIndexOverview Controls Car care Technology Data
Parking brak

Page 151 of 211

BMW 750IL SEDAN 1998 Owners Manual 150n
Caring for your carWashing your carYou can have your new BMW washed
in an automatic car wash. Car wash
systems that do not employ brushes are
preferable.
Wipe away tough dirt and loosen and
r

150n
Caring for your carWashing your carYou can have your new BMW washed
in an automatic car wash. Car wash
systems that do not employ brushes are
preferable.
Wipe away tough dirt and loosen and
remove dead insects before washing
the car.
To prevent spots, avoid washing when
the hood is still warm, or immediately
after and during exposure to strong
sunlight.
When using an automatic car wash, be
sure that:
>The car wash system is suited for the
dimensions of your vehicle
>No damage will occur on vehicles
with attached body accessories (such
as spoilers or antennas). If you are
uncertain, consult the manager of the
car wash
>The wheels and tires of your vehicle
cannot be damaged by the convey-
ance devices of the car wash system
>The vehicle is cleaned with minimum
brush pressure, and that ample water
is available for washing and rinsing.Vehicles with rain sensor
*:
Clean the windshield regularly. Wax
from automatic car washes or insects,
for example, can cause malfunctions in
the function of the rain sensor.
Turn the rain sensor off in auto-
matic car washes. If you do not,
damage may occur if the wipers switch
on unintentionally.<
Parts of the car which are inaccessible
to the automatic washer - such as door
sills, door and hood edges, etc. -
should be cleaned by hand.
In the winter months, it is especially im-
portant to ensure that the car is washed
on a regular basis. Large quantities of
dirt and road salt are difficult to remove,
and they also cause damage to the ve-
hicle.
If spray wands or high-pressure
washers are used, be sure to
maintain an adequate distance between
the spray source and the vehicle's sur-
face.
Inadequate distance and excessive
pressure can damage or weaken the
finish, making it more susceptible to
subsequent attack. In addition, mois-
ture could penetrate to vehicle compo-
nents, leading to long-term damage.<
When cleaning the headlamps,
please observe the following:
>Do not clean by wiping with a dry
cloth (scratches). Never use abra-
sives or strong solvents to clean the
covers
>Remove dirt and contamination
(such as insects) by soaking with
BMW Car Shampoo and then rinsing
with plenty of water
>Always use a deicer spray to remove
accumulated ice and snow – never
use a scraper.<
After washing the car, apply the
brakes briefly to dry them. Braking
efficiency might otherwise be reduced
by the moisture, and the brake rotors
could also be corroded.<

Page 186 of 211

BMW 750IL SEDAN 1998 Owners Manual 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 maint

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
*

Page 206 of 211

BMW 750IL SEDAN 1998 Owners Manual 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
Capacitie

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

Page 208 of 211

BMW 750IL SEDAN 1998 Owners Manual 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 steerin

radiator cap dead battery child seat suspension oil level fuel reserve