65n
IndexDataTechnologyRepairsCar careControlsOverview
The conceptDSC maintains vehicle stability even in
critical driving situations.
DSC maintains optimal, predictable re-
sponse while maximizing traction when
you accelerate from a standing start or
speed up while already underway. The
system recognizes any tendency for the
vehicle to assume an instable attitude
such as oversteer and understeer, and
counteracts this tendency with a com-
bination of graduated reductions in en-
gine torque and braking intervention at
individually selected wheels. DSC pro-
vides optimal stability Ð within the limits
defined by the laws of physics.
The system automatically assumes
operational status each time the en-
gine is started.
Indicator lamp
The indicator lamp in the in-
strument cluster goes out
shortly after you switch on the
ignition. Refer to page 22.
The indicator lamp flashes:
The system is actively regulating drive
torque.
The indicator lamp does not go out
after the engine is started, or if it comes
on during normal driving and stays on:
There is a system malfunction or the
system was deactivated with the button.
You can continue to drive the vehicle
normally, but without DSC.
Please respond to any suspected de-
fects by referring the problem to your
BMW center.
To deactivate the systemPress the button, the indicator lamp
comes on and stays on.
When the DSC is deactivated, you are
operating the vehicle in the conven-
tional drive mode.
In the following rare circumstances, it
may be effective to deactivate the DSC
for a short period of time:
>When rocking the vehicle or starting
off in deep snow or on loose surfaces.
To maintain vehicle stability,
always drive with the system
switched on when possible.<520de035
Dynamic Stability Control (DSC)
149n
IndexDataTechnologyRepairsCar careControlsOverview
tion, braking pressures and the
vehicle's yaw rate around its vertical
axis.
When the system detects substantial
differences in rotation rates between
wheels, it acts to inhibit uncontrolled
wheelspin by reducing the drive torque
transmitted to the affected wheel(s),
while also initiating selective braking
intervention as needed.
In addition, DSC permanently monitors
the vehicle's current operating condi-
tion and compares it with an ideal
status calculated based on sensor
signals. DSC reacts to deviations from
this ideal status such as incipient
understeer or oversteer by instanta-
neously reducing engine torque to
restore vehicle stability. This strategy
can be supplemented by selective
braking intervention, available at all four
wheels. DSC acts to prevent traction
loss and skids before the situation can
become critical.You may need some time to become
accustomed to this system's interven-
tion. However, it provides optimum
drive force and vehicle stability.
The braking intervention may be
accompanied by sounds specific to
the system.
The safety belt tensioner responds to
severe frontal collisions by tightening
the belt to ensure that occupants
remain firmly positioned in their seats.
A gas-pressure system retracts the
buckle assembly to tension the
shoulder and lap belts within fractions
of a second. This reduces the tendency
to slide under the lap belt.
520de148
Dynamic Stability Control (DSC) Safety belt tensioner
Everything from A to ZService Interval
Display63, 114
Shelves78, 79
Side airbags51
Side lamps69
bulb replace-
ment129t
Side marker lamps69
Skid control93
Slippery roads93
Snow chains92, 103
Socket82
for flashlights82
for power supplies82
for vacuum cleaners82
Sound system, refer to the
separate Owner's Manual
Spare key30
Spark plugs158
Speaker81
Specified engine oil110
Speedometer18
Starting56
problems87t, 143
Steel wheels103
Steering94
Steering wheel lock55
Stopping the vehicle56
Storage areas78, 79
Storing your vehicle122
Stroke154
Summer tires101Switching off the engine56
Switching off the interior
motion sensor39t
Switching off the tilt sensor
alarm system39t
Symbols4, 136
TTachometer62
Tail lamps130
bulb replacement130t
Tank capacity157
Technical data154
Technical
modifications6, 123
Telephone81
Temperature display
outside temperature64
Temperature gauge
engine coolant63
Temperature
selection74, 75
Tilt alarm34
Tilt alarm sensor39
Tire codes101
Tire damage98t
Tire inflation
pressure26, 98
Tire pressure monitor67
Tire Pressure Warning
(RDW)67
Tire replacement99, 100Tire rotation100
Tire specifications103
Tire tread98
Tools128t
Torque154
Tow fittings144t
Tow starting144t
Towing the vehicle144t
Track155
Traction Control System
refer to DSC65
Transmission58
Transmitter key30
Tread depth, tires98
Trip odometer62
Trunk lid, refer to luggage
compartment lid37
Turn signal indicator23, 58
Turning radius155
UUniform Tire Quality
Grading100
Unusually high steering
effort20, 94
Use anti-freeze112t
radiator112t
Used batteries,
disposal138t
VVacuum cleaner82
Vehicle battery136, 158
Vehicle care
exterior117
interior119
Vehicle equipment
options and accessories5
Vehicle Identification
Number (VIN)113
Vehicle immobilizer31
Vehicle painting117
Vehicle storage122
Vehicle weight156
Vehicle, starting56
Vehicle, stopping56
Ventilation72
draft-free75
Vinyl upholstery, care119WWarning lamps20
Washer nozzles,
adjusting108t
Washer reservoir,
filling108t
Washing your car115
Water on roadways87
Waxing, paintwork118
Wear indicator in the
tires99
Weights156
