ZF supplies new BMW 1 series with 8-speed transmission | Automotive News Europe
BMW 1 series Engine and Gearbox | evo
Which automatic transmission do I have? - BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i)
BMW 1 Series (F20) - Wikipedia
ZF 8-speed cuts fuel use in new BMW 4 series | Automotive News Europe