Under the Hood
Both engines incorporate direct fuel injection and turbocharging. The xDrive35i uses a new 3.0-liter inline-six-cylinder with one turbocharger, while the xDrive50i uses a 4.4-liter V-8 with two. Power ratings are unchanged on the new six-cylinder, but BMW says it is more efficient. BMW says both engines promise minimal turbo lag and a flat torque curve that begins under 2,000 rpm.
300-horsepower, 3.0-liter six-cylinder with 300 pounds-feet of torque
(xDrive35i)
400-hp, 4.4-liter eight-cylinder with 450 pounds-feet of torque (xDrive50i)
New eight-speed automatic transmission
xDrive's Dynamic Performance Control doles out power from front to rear and side
to side, at least among the rear wheels
Differential electronically varies power proactively from a full 50/50 lock to
as much as 100 percent going to either wheel to enhance performance and safety
Adaptive Drive system electronically alters suspension's stiffness between
sport- and comfort-oriented settings to suit different driving conditions
See also:
Check the tire inflation
pressure regularly
Check and, if necessary, correct the tire inflation
pressure at least twice a month and before starting
on a long trip.
Low tire inflation pressure increases rolling resistance
and thus raises ...
Safety switch
The safety switch in the driver's door can be
used to prevent children, for example, from
opening and closing the rear windows using the
switches in the rear.
Switching on and off
Press the b ...
Active Cruise Control with Stop & Go function
Active Cruise Control with Stop & Go function - or ACC Stop&Go for short -
not only maintains the desired distance to the vehicle in front, in heavy
traffic it also slows the car to a stan ...