6450.6bĆa
1999
Pin Assignments (M Versions)
03/00
BM
BMW
BMWBMW
Z3
E = Input, A = Output, M = Ground
X18349 8 Pins, black
X18350 6 Pins, black
X18349
Pin Type Description/Function Connection
1 M Ground Ground point
2 A A/C-ON-signal Evaporator controller
3 A A/C-ON-signal Normal speed relay
4 E Terminal 15 Heating blower relay
5 A Blower level 1 (air-recirculation) Blower resistor
6 M Ground for function lights Ground point
7 E Terminal 15 Heating blower relay
8 A Activate fresh air-recirculation Fresh air-recirculation motor
X18350
Pin Type Description/Function Connection
1 Not used
2 M Ground Ground point
3 E Climate-ON-signal Air conditioning/recirculated air operating
unit
4 Not used
5 A Activate A/C compressor Pressure switch
6 E Evaporator temperature Evaporator temperature sensor