Bmw  Z4 2009-
 PART   COLOR  LOCATION
 12 VOLT CONSTANT   RED/GREEN (+)   51-PIN PLUG(X14260), PIN 2 @ FOOTWELL MODULE, See NOTE #3
 STARTER  BLACK (+)Low Current (for STARTER KILL Only)  41-PIN PLUG(X13376), PIN 22 @ CAR ACCESS SYSTEM, See NOTE #4
 STARTER 2  N/A  
 IGNITION 1  GREEN (+)Low Current (for Ignition Sense Only)  41-PIN PLUG(X13376), PIN 8 @ CAR ACCESS SYSTEM, See NOTE #4
 IGNITION 2  N/A  
 IGNITION 3  N/A  
 ACCESSORY/HEATER BLOWER 1  N/A  
 ACCESSORY/HEATER BLOWER 2  N/A  
 KEYSENSE  N/A  
 PARKING LIGHTS ( - )  BLACK (-)  26-PIN PLUG(X14259), PIN 1 @ FOOTWELL MODULE, See NOTE #3
 PARKING LIGHTS ( + )  N/A  
 POWER LOCK  YELLOW/BROWN (TYPE B)  41-PIN PLUG(X13376), PIN 29 @ CAR ACCESS SYSTEM, See NOTE #4
 POWER UNLOCK  Use LOCK wire  
 DOOR TRIGGER  BROWN/WHITE (-)  51-PIN PLUG(X14261), PIN 24 @ FOOTWELL MODULE, See NOTE #3
 DOMELIGHT SUPERVISION  N/A  
 TRUNK RELEASE  GRAY/BROWN (-)  41-PIN PLUG(X13376), PIN 39 @ CAR ACCESS SYSTEM, See NOTE #4
 SLIDING POWER DOOR  N/A  
 HORN  GREEN/BLUE (+)  @ JUNCTION BLOCK PLUG(X11011) PIN 6, See NOTE #5
 TACH  BLACK or WHITE/PURPLE (AC)  @ DATA LINK CONNECTOR, 16-PIN PLUG, PIN 9
 WAIT TO START LIGHT  N/A  
 BRAKE  BROWN/GRAY (+) (TEST with IGNITION KEY ON)  @ BRAKE PEDAL SWITCH
 FACTORY ALARM DISARM   WHITE/BLACK (-) (TEST this wire while turning the Key in the Drivers Door)  51-PIN PLUG(X14261), PIN 46 @ FOOTWELL MODULE, See NOTE #3
 ANTI-THEFT  BMW'S TRANSPONDER ANTI-THEFT SYSTEM, See NOTE #1  @ IGNITION SWITCH TUMBLER
 EXTRA INFORMATION
 NOTE #1: 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. NOTE #2: The LEFT FRONT wire is a BLACK/GREEN(+) PIN 45, the RIGHT FRONT wire is a BLACK/BLUE (+) PIN 44, the LEFT REAR is a GRAY/PURPLE(+) PIN 30 and the RIGHT REAR(+) PIN 29, all 4 of these wires are at the LIGHT SWITCH MODULE, in a 54-PIN PLUG, use all 4 wires and Isloate with relays. NOTE #3: The FOOTWELL MODULE is located under the DRIVERS DASH. NOTE #4: The CAR ACCESS SYSTEM is located under the Driver Dash NOTE #5: The JUNCTION BLOCK is located behind the Glove Box