EDC17CP20 - Audi A4 B8 2.0 TDI, 120bhp

Hi,

I have a question: There are 8 Boost pressure maps in the dump of my car!

I also find them in the 143 bhp Audi A4 and the only differences are in the first 4 Maps..
Are these maps gear related why there are so many of them?

thanks,

Jan