I have a 98 318i with air con heating system.
It just started acting up.
It does any or all of the following:
Doesn't come on when I start up. Sometimes comes on later.
If on, often goes off, but LCD is faintly lit, green LEDs in button lit normal, but buttons not working. It may well come back on again, LCD normal.
I turn it off (by turning fan speed down past minimum, bit later it comes on by itself.
Seems like a loose electrical connection may be the culprit, anyone got an idea where to start looking?