Steptronic八前速手自排變速箱. - BMW台灣總代理汎德

The new eight-speed automatic transmission Steptronic in the BMW X5 shifts gears so fast and seamlessly you can hardly spot it on the rev counter. Steptronic八前速手自排變速箱. 不需搭乘商務艙飛機，也能體會到在極細微的干擾下立即加速到極速的快感。

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