BMW X3, a new integral transmission concept The BMW X3 arrives in the segment of compact SUV that the manufacturer calls SAV (Sports Activity Vehicles). This new vehicle offers 3 six in-line cylinder engines and, especially, a very new integral transmission concept: the xDrive.
XDrive transmits a variable torque to the front axle thanks to an electronically controlled multiple-plate clutch actuated in less than 100 milliseconds.
Contents :
Page 1 : Introduction,
Page 2 : xDrive : the transmission,
Page 3 : xDrive: an electronically controlled multiple-plate clutch,
Page 4 : xDrive: few examples,
Page 5 : Hill Descent Control HDC,
Page 6 : The trailer stability control,
Page 7 : 2 gasoline engines,
Page 8 : Diesel engine with 410 Nm,
Page 9 : Passive safety suitable for vehicle sizes,
Page 10 : The X3 is built by Magna Steyr, in Austria,
Page 11 : Technical specifications.
Publication date : January 2004.
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