TRACTION
When TRACTION is active, the vehicle has maximum traction on loose road surfaces. DTC Dynamic Traction Control, is activated.
Driving stability is limited during acceleration and when driving in bends.
See also:
HDC Hill Descent Control
The concept
HDC is a downhill driving assistant that automatically
controls vehicle speed on steep downhill
gradients. Without applying the brakes, the
vehicle moves at slightly more than walking
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Enabling operation in the rear
Only possible via the iDrive in the front.
1. "Settings"
2. "Allow rear control"
3. Select the desired priority.
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Tire identification marks
Tire size
255/50 R 19 103 Y
255: nominal width in mm
50: aspect ratio in %
R: radial tire code
19: rim diameter in inches
103: load rating, not for ZR tires
Y: speed rating, before the R on ZR ...