TLDR: The Aisin AW F8FXX series is an 8-speed automatic transmission used in cars with transverse engines. It was designed to fit in the same space as previous 6-speed transmissions while offering a wider range of gears. It is used by various car manufacturers including BMW, Mini, Toyota, Volvo, GM, VW, and PSA.

The Aisin AW F8FXX series is a type of automatic transmission that was first introduced in 2013. It is designed to be used in cars with transverse engines, which means the engine is positioned sideways in the car. This transmission is unique because it has 8 gears, which allows for smoother and more efficient shifting. It was designed to fit in the same space as previous 6-speed transmissions, so car manufacturers can easily upgrade their vehicles without making major changes to the engine compartment.

This transmission is used by several car manufacturers including BMW, Mini, Toyota, Volvo, GM, VW, and PSA. Each manufacturer may have a different name for the transmission, such as EAT8 (PSA), GA8F22AW (BMW & Mini), TG-81SC (Volvo), AF50-8 (Opel/Vauxhall), AWF8F45 (Cadillac), and AQ450 (Volkswagen Group). It has been used in various car models, including sedans, SUVs, and crossovers.

The Aisin AW F8FXX series offers a wide range of gear ratios, which means it can provide both high-speed performance and fuel efficiency. It has different gear sets and clutches that work together to transfer power from the engine to the wheels. The transmission also has a final drive ratio, which determines the overall gear ratio of the vehicle. This allows the car to have good acceleration and top speed while maintaining fuel efficiency.

Overall, the Aisin AW F8FXX series is an advanced automatic transmission that offers improved performance and fuel efficiency. It is used by various car manufacturers and can be found in a wide range of car models. Whether you're driving a BMW, Mini, Toyota, Volvo, GM, VW, or PSA vehicle, chances are you're benefiting from the smooth and efficient shifting of the Aisin AW F8FXX transmission.