Touareg 2.5tdi r5 stock torsion settings

Measured fuel consumption 7.2l/100km and back direction 8.0l/100km.
Average 7.6l/100km.
Idle fuel consumption 1.1l/h
Torsio was little bit off from factory settings about -1,5 degrees
On next video moved it +5,0 degrees and fuel consumption got lower.
6,8l/100km and back direction 7,5l/100km, with ligths on
Average 7,15 l/100km
Idle fuel consumption
Savings 0,45l/100km