I've now added the MAN transmission programs to the 12 speed ZF TipMatic gearbox and cleaned up the jbeam a little bit.
You should notice performance increases and decreases with specific gearbox modes.
Here are the modes you can select from and what MAN specify the differences are.
The MAN TipMatic1) FLEET gearshift program restricts manual interferences with the automated gearshift strategy, thereby ensuring optimal gear changes in every driving situation. Quick downshifting using...
Experimental MAN TGS Realistic Gearbox & Speed Limiter 1.1
Realistic gearbox characteristic and 90kmh/56mph speed limiter