Safety
Standard safety features include antilock brakes, side curtain airbags, active head restraints for the front seats and an electronic stability system.
For a full list of safety features, visit the Standard Equipment & Specs page. To see how well child-safety seats fit in the X3, check out MotherProof.com's Car Seat Check.
See also:
Exterior
With standard visual cues that come only with the 128i's optional M Sport
Package, the 135i has an aggressive front bumper with three large air inlets.
Xenon headlights are standard, and they carr ...
General information
BMW Assist provides you with certain services,
e.g., transmission of the position data of your
vehicle to the BMW Assist Response Center if
an Emergency Request* has been initiated.
Many BMW As ...
Drivetrains
The 528i, 535i and 550i are rated at 240, 300 and 400 horsepower,
respectively. The turbocharged version of the 3.0-liter inline-six-cylinder in
the 535i makes the 550i superfluous, rocketing the ...