all-wheel-drive system that is being evaluated during a road test or review. What is an "xDrive Tester"?
When automotive journalists refer to an "xDrive tester," they are highlighting how the AWD system affects the car's performance compared to its standard rear-wheel-drive (sDrive) counterpart. Traction and Grip xdrive tester
Crucial Warning: An OBD-II code reader from an auto parts store is not an xDrive tester. Generic readers see "U0415" (Invalid data from DSC) but cannot calibrate the actuator. all-wheel-drive system that is being evaluated during a
So, what does it take to become an xDrive tester? In a nutshell, an xDrive tester is responsible for putting BMW's all-wheel drive system through its paces, evaluating its performance, and identifying areas for improvement. This involves driving specially equipped test vehicles on a variety of terrain, from slippery roads to rugged off-road courses, to assess the system's capabilities and limitations. Traction and Grip Crucial Warning: An OBD-II code
Transfer Case Actuator Gear: Plastic gears that wear down, leading to a "clicking" sound and 4x4 warning lights.
: While providing more grip, testers may note that the added weight of the AWD system can slightly alter steering feel compared to lighter RWD models. Common "As Tested" Features