I need a quick reply.................

[Geoff Crispin]

Hot all the time in case you need to light a fag without the keys in ignition; BMW are thoughtful like that.

 

[bertiejaffa]

Lighter is "Hot all the time", so you can charge through it.

Are you sure - mine isn’t (Z3M 3.2 1998)

 

[NZ00Z3]

Here is the wiring diagram for @FRANKIE Z3M.

Suggest that you check the wiring diagram for your car then go out to the car and see what's what.

 

[FRANKIE]

Here is the wiring diagram for @FRANKIE Z3M.

Suggest that you check the wiring diagram for your car then go out to the car and see what's what.

View attachment 221119

Thanks................Frankie