I have never understood l/100kms or how to work it out. We think in mpg over here. And the answer to that is 30ish. In a manual over 3600 miles.
Current: 440i GC
Previous: M135i, M5, Z1, 330d, 135i, 156 GTA, 500E, S3, A3 quattro, Golf GTI 16v