Audi A6 C4: Increase Automatic Gear Shift Speed

Hello everyone,

I drive an Audi A6 C4 2.8E automatic, manufactured in May 1995, with a ZF transmission and control unit 4A0 927 156 AE.

Is it possible to increase the RPM at which the automatic transmission normally shifts from 3rd to 4th gear at half throttle (approximately 2000 RPM) to 2200 RPM? Can a VAG dealership do this? Or would I need someone else to help me with this?

Thank you for your response.

Have a nice weekend.
Be quiet.