Two-mode active transmission with steptronic, Driving – BMW ActiveHybrid X6 2010 User Manual
Page 18
Driving
16
Possible range
The vehicle can travel approx. 1.5 miles/2.5 km
under electric power.
Driving with combustion engine: DRIVE
The combustion engine supplies the drive out-
put for moving the vehicle. The high-voltage
battery is charged at the same time.
Automatic starting while driving
Under the following circumstances, the com-
bustion engine is started automatically while
driving:
>
transmission position M/S selected
>
driving speed greater than 40 mph/65 km/h
>
low charge state or fully charged high-volt-
age battery, e.g. when driving downhill
>
to protect the high-voltage system from
overheating, e.g. when driving downhill
>
high output request, e.g. by accelerator
pedal position.
Automatic switching off while driving
When decelerating under the conditions for
electric driving, refer to page
, the combus-
tion engine is switched off.
Assisted combustion engine
The combustion engine supplies the main drive
output for moving the vehicle.
The electric motors assist by providing addi-
tional drive output as needed.
eBOOST
When accelerating quickly, e.g. when passing
another vehicle, power from the two electric
motors simultaneously is requested in addition
to that of the combustion engine. To trigger
this, step down hard on the accelerator pedal.
Display in the instrument panel, refer to
page
Energy recovery: CHARGE
The hybrid system makes it possible to convert
kinetic energy into electrical current, e.g. during
braking. This energy recovery is used to charge
the high-voltage battery. The battery supplies
this stored energy back to the electric motors
as needed.
To recover the braking energy, the following
conditions must be met:
>
The vehicle is in motion.
>
The selector lever is in the position D, R, or
M/S.
>
The high-voltage battery is not completely
charged.
Display of energy recovery in the instrument
panel, refer to page
Two-Mode Active
Transmission with Steptronic
The Das Two-Mode Active Transmission is an
automatic transmission in which the gears can
be shifted in a fully automatic fashion or can be
shifted manually on demand. The manual shift-
ing is performed using the selector lever or the
shifting paddles of the Steptronic, refer to
page
Automatic shifting may be perceptible
when decelerating at a low speed.
<
Transmission positions
P R N D M/S + –
Hold the brake pedal down until starting
to drive; otherwise, the vehicle can begin
to roll.
<
Displays in instrument panel
P R N D, S1 through S7, M1 through M7
Online Edition for Part no. 01 41 2 603 632 - © 09/09 BMW AG
Online Edition for Part no. 01 41 2 603 632 - © 09/09 BMW AG