I have an A2 - 1.2 tdi - 2001 ~odo:190k km - with climatronic and servo. My fuel consumption is 6.9L/100km   Next things are new and modified in the last 1000km: -n75 valve -maf -timing belt  (torsion value is now ~1+ but before this the consumption was around the same) -oil and filters -oil chain and gears -thermostat -water temperature sensor -new clutch and gearbox basic settings -new vacuum lines (vacuum drops only on brake pedal -&