differential BMW 135I COUPE 2013 Owners Manual

90
ControlsTechnology for driving comfort and safety
In the same way as with a differential interlock,
even if DSC is deactivated, brake actions are
still performed on the rear axle to enhance drive
output if the drive whee ls experience a signifi-
cant loss of traction.
To increase vehicle stability, activate DSC again
as soon as possible.
Activating DSC
Press the button again; th e indicator lamp in the
instrument cluster goes out.
For better control
If the indicator lamp flashes: the DSC
controls the driving and braking forces.
If the indicator lamp lights up: DSC and
DTC have failed.
The indicator lamp lights up and
DSC OFF is displayed in the instrument
cluster: DSC is deactivated.
Dynamic Traction Control DTC
DTC is a version of DSC in which the drive out-
put is optimized for part icular 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 sp ecial circumstances:
> When driving uphill on snow-covered roads,
in slush or on unplowed, snow-covered
roads
> When rocking a stuck vehicle free or start-
ing off in deep snow or on loose ground
> When driving with snow chains
Activating DTC
Press the button; the indicator lamp for DSC
OFF lights up and TRACTION is displayed in
the instrument cluster.
For better control
If the indicator lamp flashes: DTC con-
trols the driving and braking forces.
If the indicator lamp lights up: DSC and
DTC have failed.
The indicator lamp lights up and TRAC-
TION is displayed in the instrument
cluster: DTC is activated.
Deactivating DTC
Press the button again; th e indicator lamp in the
instrument cluster goes out.
Drive-off assistant
The drive-off assistant enables you to drive off
smoothly on uphill gradients. It is not necessary
to use the parking brake for this.
1. Hold the car in place by depressing the
brake.
2. Release the brake and drive off without
delay.
The drive-off assistant holds the car in
place for approx. 2 seconds after the
brake is released. Drive off without delay after
releasing the brake. Otherwise, the drive-off
assistant will no longer hold the car in place
after approx. 2 seconds and the car will start to
roll backwards. <

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124
Driving tipsThings to remember when driving
Things to remember when driving
Vehicle equipment
In this chapter, all pr oduction, country, and
optional equipment that is offered in the model
range is described. For this reason, descrip-
tions will be given of some equipment that may
not be available in a vehi cle, for example due to
the special options or national-market version
selected. This also app lies to safety related
functions and systems.
Break-in period
Moving parts need breaking-in time to adjust to
each other. Please follo w 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 an engine speed of 4,500 rpm or a
road speed of 100 mph/160 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
traction potential until af ter 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 clut ch reaches its optimal
level only after a distance driven of approx.
300 miles/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 renewe d 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 vehicl e 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 th e 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
consumption.

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271
Everything from A to Z
Reference
Connecting an MP3 player,
refer to AUX-In
connection 177
Connecting an MP3 player, refer to USB audio
interface 178
Connecting vacuum cleaner, refer to Connecting
electrical appliances 117
Consumption, refer to Average fuel
consumption 77
Contacts 202
– deleting 204,211
– exporting/importing 211
– new contact 203
Control Center, refer to iDrive 20
Control Display 20,21
Control Display, refer to iDrive
– switching on/off 21
Controller, refer to iDrive 20
Controls and displays 12
Convenient opening and closing
– windows 34
– windows with Comfort Access 40
– with Comfort Access 40
Convenient start, refer to Starting the engine 62
Convertible
– rollover protection system 99
– top 44
– wind deflector 47
Convertible top
– convenient opening 34
Convertible top care 242
Coolant 235
– checking level 236
– filling 236
Coolant temperature 236
Cooling, maximum 107Cooling fluid, refer to
Coolant 235
Corner-illuminating lamps 102
Cornering light, refer to
Adaptive Light Control 101
Courtesy lamps 104
Criteria for route 143
Cross-hairs in navigation139
Cruise control 73
Cruising range 77
Cupholders 116
Curb weight, refer to Weights 259
Current fuel consumption 77
Cu rrent playback
– e

xternal devices 180
– in music collection 174
Customer Relations 215
D
Dashboard, refer to
Cockpit 12
Dashboard lighting, refer to
Instrument lighting 104
Data, technical
– capacities 259
– dimensions 258
– weights 259
Data memory 7
Data transfer 216
Date
– setting 84
– setting format 84
Daytime running lights, switch positions 101
DBC Dynamic Brake Control 89
Deactivating front passenger
airbags 97
Deadlocking, refer to Locking 34 Defect
– door lock
36
– fuel filler flap 221
Defining a home address 203
Defogging windows 109
Defrosting windows 109
Defrosting windows and removing condensation 109
Defrosting windshield, refer to Defrosting windows 109
Defrost position, refer to
Defrosting windows 109
Destination, entering by town/ city name 134
Destination address
– entering 134,140
Destination entry via BMW Assist 139
Destination for navigation
– entering by voice 140
– entering via map 139
– entry 134
– home address 137
– manual entry 134
Destination guidance 143
– bypassing a route section 144
– changing specified
route 143
– continuing 143
– starting 143
– voice instructions 145
– volume of voice instructions 145
Differential, breaking in 124
Digital clock 75,82
Digital compass 113
Digital radio, refer to HD Radio 159
Dime nsion

s258
Directional indicators, refer to Turn signals 71
Direction instructions, refer to
Voice instructions 145

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