Golf 7 (type 5G) 2012 - 17
According to the display, the oil temperature on my 1.6 TDI, (DDYA engine, 115ps) varies in a very illogical manner.
It is never "steady" but usually around 95-100° on the flat on a dual carriageway at about 70mph.
Going uphill, however, the temperature falls by around 5-9°, while going...