Welcome!!! I too have a '97 Z3 1.9l with 110k on the odometer in Australia. What a coincident!! Where are you located?
Aussie, please place yourself in the member map, look under members, members map, and add your location. You will see me in Tasmania. There is a detailed thread on how to do that somewhere. Catch ya.
I have a 2001 Z3, Oxford Green black interior, 2.2i steptronic automatic, 100k on the clock, have had it only since wednesday. today i water proofed the hood and cleaned the wheels and tires, windows as well, adjusted the headlights. plenty more to do