Bmw  Z4 2005-
 PART   COLOR  LOCATION
 12 VOLT CONSTANT   RED/BLUE (+) and RED/GREEN (+)   @ IGNITION SWITCH HARNESS
 STARTER  BLACK/BLUE (+)  @ IGNITION SWITCH HARNESS
 STARTER 2  N/A  
 IGNITION 1  GREEN (+)  @ IGNITION SWITCH HARNESS
 IGNITION 2  PURPLE (+)  
 IGNITION 3  N/A  
 ACCESSORY/HEATER BLOWER 1  N/A  
 ACCESSORY/HEATER BLOWER 2  N/A  
 KEYSENSE  N/A  
 PARKING LIGHTS ( - )  N/A  
 PARKING LIGHTS ( + )  GRAY/PURPLE (+) Left and GRAY/YELLOW (+) Right, Use Both, See NOTE #1  @ LIGHT SWITCH Module, Pins 29 and 30 See NOTE #1
 POWER LOCK  YELLOW/RED (TYPE B), See NOTE #2  @ GENERAL MODULE, Middle Plug, Pin 7, See NOTE #3
 POWER UNLOCK  Same wire as LOCK, See NOTE #2  
 DOOR TRIGGER  See NOTE #4  @ GENERAL MODULE, Middle Plug, Pins 25 and 26, See NOTE #3
 DOMELIGHT SUPERVISION  RED/BLUE (+)  @ GENERAL MODULE, Middle Plug, Pin 18, See NOTE #3
 TRUNK RELEASE  GRAY/BROWN (-)  @ GENERAL MODULE, Middle Plug, Pin 17, See NOTE #3
 SLIDING POWER DOOR  N/A  
 HORN  PURPLE/BLUE (+)  @ HORNS under the HOOD
 TACH  BLACK (AC)  @ OBD Plug under Drivers Dash, Pin 9
 WAIT TO START LIGHT  N/A  
 BRAKE  BLUE/RED (+), See NOTE #5  @ SWITCH above BRAKE PEDAL
 FACTORY ALARM DISARM   WHITE/BLACK (-), See NOTE #6  @ GENERAL MODULE, Middle Plug, Pin 20, See NOTE #3
 ANTI-THEFT  BMW'S TRANSPONDER ANTI-THEFT SYSTEM, See NOTE #7  @ IGNITION SWITCH TUMBLER
 EXTRA INFORMATION
 NOTE #1: The Parking Lights on this vehicle have (2) seperate circuits, to connect will require (2) extra Relays Part #775, to connect See DIAGRAM. The LIGHT SWITCH Module is part of the HEADLIGHT Switch. NOTE #2: The LOCK and UNLOCK use the SAME wire, a (-) Negative or TYPE "B" pulse on this wire, will alternate between the LOCK and UNLOCK on the vehicle. NOTE #3: The GENERAL MODULE is located behind the GLOVEBOX on this vehicle. NOTE #4: The DRIVERS DOOR TRIGGER is a BROWN/GRAY/YELLOW (-) at Pin 26, the PASSENGER DOOR TRIGER is a BROWN/GRAY/YELLOW (-) at Pin 25. , when connecting to an ALARM SYSTEM use both wires and DIODE ISOLATE, See DIAGRAM. NOTE #5: This wire will only TEST with the IGNITION "ON". NOTE #6: TEST this wire while turning the Key in the Drivers Door Key Cylinder. This wire will also UNLOCK the Doors. On some Models, this wire will require a Double Pulse to UNLOCK the Doors. NOTE #7: BMW'S TRANSPONDER ANTI-THEFT SYSTEM, Requires Bypass Module, Part # 791 Bypass and an extra ignition key for REMOTE STARTING Operation. To order go to the SECURITY BYPASS MODULE Page on the website.