How many gears is enough
But how many gears is too many? Currently, ZF has a nine-speed auto on the market, but I still think eight is the perfect number of gears for and automatic gearbox.
BMW expresses skepticism at 9-speed gearboxes
AutoExpress UK and BMWBLOG chatted with Klaus Frolich, head of small and midsize cars at BMW. Among many topics, the latest ZF-built 9-speed gearboxes came to front.
Analysis: ZF 9HP 9 Speed Transverse Automatic Transmission
Nine forward speeds appears, on the surface, to be overkill. ZF has been rather coy with the details of the new gearbox, but some bits of information seem to be becoming available, if not from ZF directly.
2011 NAIAS: ZF launches 9-speed transmission
At the 2011 Detroit Auto Show, ZF announced their latest and greatest transmission, a 9-speed automatic gearbox.
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