S2 Ignition switch

Plug connector overview

NumberX-pin, colourDescription
X3311-pin, blackPlug connector Ignition switch

Pin assignments at plug connector X33

PinTypeDescription / Signal typeConnection /
Measuring notes
1ATerminal 15Unloader relay terminal 15 535i, 540i Fuse carrier, engine electronics 520i, 523i, 528i
   
2AVoltage supply terminal 30Supply fuses F37 to F45
   
3AVoltage supply terminal 30Fuse holder I
   
4MGround USAGround connector USA
   
5EVoltage supply terminal 30Cable shoe Fuse F114
   
6EVoltage supply terminal 30Cable shoe Fuse F111
   
7EVoltage supply terminal 30Cable shoe Fuse F111
   
8ATransmit/receive signal (EWS) 1996_01 Signal, terminal 50 1996_03Electronic immobilizer control unit (EWS) 1996_01 DME control unit 1996_03 535i, 540i
   
9AVoltage supply terminal 30Fuse F34
   
10AVoltage supply terminal 30Fuse F32
   
11AIgnition key warning (USA only)Light module USA