6-speed Steptronic automatic transmission w/OD
8-speed Steptronic automatic transmission w/OD
Specialized cooling system -inc: enlarged cooling system hose diameter, 1000-watt radiator fan, additional coolant radiator, indirect inter-cooler, additional engine oil cooler, external transmission oil cooler
6-speed ALPINA SWITCH-TRONIC automatic transmission -inc: steering-wheel mounted manual shift modes
Dual-mode electronically controlled continuously variable (ECVT) transmission -inc: sequential multi-mode shifter