You can have Avtive Steering on 1-series. This system, part of the optional Sport package, electromechanically adds a positive or negative steering angle to the setting chosen by the driver, via a planetary gearset integrated into the steering column. This reduces steering motion at low speeds (say, while parking) and when negotiating tight turns on curvy roads, requiring only two turns lock-to-lock rather than three. It also makes the steering much more direct at high speeds.
But the rear-axle steering are just from 5-serie and up.
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