The Z4M is oil temp as well.
Very slow moving.
Z4M also have LED warm up indicators on the tach.
IIRC they're base on an algorithm of outside air, water & oil temp.
Alpinweiss '07 M Coupe •MCS Coilovers•H&R fr ARB (no rear)•Volk Racing ZE40•Direzza *ZII•Stoptech BBK••DKF Section1•Stomung exhaust•Fabspeed Headers••Autosolutions SSK•Vibra-Tech mtr mounts•R.Eng Poly RTAB•SuperFlex Poly FCAB•StrongStrut STB•Tekarbon headlights•APR splitter•Eventuri Intake•CF Roof•