differential BMW M3 2010 Owners Manual

Technology for driving comfort and safety
70
Driving stability control
systems
Your BMW has a number of systems that help
to maintain the vehicle's stability even in
adverse driving conditions.
Antilock Brake System ABS
ABS prevents locking of the wheels during
braking. Safe steering response is maintained
even during full braking. Active safety is thus
increased.
The ABS is operational every time you start the
engine. Braking safely, refer to page108.
Electronic brake-force distribution
EBV
The system controls the brake pressure in the
rear wheels to ensure stable braking behavior.
Dynamic Brake Control DBC
When you apply the brakes rapidly, this system
automatically produces the maximum braking
force boost and thus helps to achieve the short-
est possible braking distance during full brak-
ing. This system exploits all of the benefits pro-
vided by ABS.
Do not reduce the pressure on the brake for the
duration of the full braking application.
Dynamic Stability Control DSC
DSC prevents the driving wheels from losing
traction when you pull away from rest or accel-
erate. The system also recognizes unstable
driving conditions, for example if the rear of the
car is about to swerve or if momentum is acting
at an angle past the front wheels. In these
cases, DSC helps the vehicle maintain a safe
course within physical limits by reducing engine
output and through braking actions at the indi-
vidual wheels.
The laws of physics cannot be repealed,
even with DSC. An appropriate driving
style always remains the responsibility of the
driver. Therefore, do not reduce the additional
safety margin again by taking risks, as this could
result in an accident.<
Deactivating DSC
Press the button for at least 3 seconds; the indi-
cator lamps for DSC in the instrument cluster
light up. Dynamic Traction Control DTC and
DSC have been simultaneously deactivated.
Stabilizing and drive-output promoting actions
are no longer executed.
In the same way as with a differential interlock
*,
even if DSC is deactivated, brake actions are
still performed to enhance drive output if the
drive wheels experience a significant loss of
traction.
To increase vehicle stability, activate DSC again
as soon as possible.
Activating DSC
Press the button again; the indicator lamps in
the instrument cluster go out.
For better control
If the indicator lamp flashes:
DSC is regulating the drive and brak-
ing forces.
If the indicator lamps are on:
DSC is deactivated.
Dynamic Traction Control DTC
DTC is a version of DSC in which the drive out-
put is optimized for particular road conditions,
e.g. unplowed snow-covered roads. The sys-
tem assures the maximal drive output, but with
reduced driving stability. It is therefore neces-
sary to drive with appropriate caution.
You may find it useful to briefly activate DTC
under the following special circumstances:

Things to remember when driving
106
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:
>Gasoline engine
4,500 rpm or 100 mph/160 km/h
>Diesel engine
3,500 rpm or 93 mph/150 km/h
Avoid full-throttle operation and use of the
transmission's kickdown 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.
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.

Reference
At a glance
Controls
Driving tips
Mobility
181
B
Backrest contour, refer to
Lumbar support35
Backrests, refer to Seat
adjustment34
Backrest width adjustment35
Back seats
– refer to Rear seats36
Backup lamps
– replacing bulb151,152
Band-aids, refer to First aid
pouch155
Bar, refer to Towing
methods158
Base plate for telephone or
mobile phone
– refer to Snap-in adapter in
the center armrest storage
compartment95
Battery153
– charging153
– disposal28,153
– jump-starting156
– remote control18
– replacing153
– temporary power failure153
Battery renewal
– remote control28
– remote control for vehicle28
Being towed158
Belts, refer to Safety belts38
Belt tensioner, refer to Safety
belts38
Beverage holders, refer to
Cupholders95
Blower, refer to Air
volume85,88
Bluetooth, refer to separate
Owner's Manual
BMW
– car shampoo145
BMW Advanced Diesel116
BMW Homepage4
BMW Maintenance
System141
BMW webpage4
Bottle holders, refer to
Cupholders95Brake Assist, refer to Dynamic
Brake Control DBC70
Brake fluid, refer to Service
requirements65
Brake Force Display76
Brake lamps
– Brake Force Display76
– replacing bulb151,152
Brake pads106
– breaking in106
Brake rotors108
– brakes
106
– breaking in106
Brakes
– ABS70
– BMW Maintenance
System141
– Brake Force Display76
– breaking in106
– parking brake48
– service requirements65
Brakes, refer to Braking
safely108
Brake system106
– BMW Maintenance
System141
– breaking in106
– disc brakes108
Breakdown services, refer to
Roadside Assistance155
Breaking in the clutch106
Breaking in the differential,
refer to Engine and
differential106
Break-in period106
Bulb changing, refer to Lamps
and bulbs147
Button for starting the engine,
refer to Start/stop button46
Buttons on the steering
wheel11
C
California Proposition 65
warning5
Can holders, refer to
Cupholders95
Capacities178Capacity of the cargo area177
Car battery, refer to Vehicle
battery153
Car care, refer to Care143
Care143
– automatic car washes143
– care products143
– carpets145
– CD/DVD drives146
– chrome parts144
– displays145
– exterior143
– fine wood parts145
– headlamps144
– high-pressure washer143
– interior145
– leather145
– light-alloy wheels144
– paintwork144
– plastic parts145
– rubber seals144
– safety belts145
– sensors and cameras145
– upholstery and cloth
trim145
– washing the car
manually144
– windows144
Cargo, securing110
Cargo area98
– capacity177
– Comfort Access27
– folding up the floor
panel101
– lamp, refer to Interior
lamps83
– opening from inside23
– opening from outside23
– partition net99
– roller cover98
Cargo area lid, refer to Trunk
lid/tailgate23
Cargo area net, refer to
Partition net99
Cargo loading109
– securing cargo110
– stowing cargo109
– vehicle109