03 BMW 325i vehicle diagram
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Forum Discription: Request Car Alarm, Car Stereo, Cruise Control, Remote Starter, Navigation, Mobile Video, and Other Vehicle Specific Wiring Info, Manuals, Tech Tips
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=58191
Printed Date: May 08, 2025 at 4:55 PM
Topic: 03 BMW 325i vehicle diagram
Posted By: aemobile
Subject: 03 BMW 325i vehicle diagram
Date Posted: June 22, 2005 at 9:16 AM
Replies:
Posted By: thepencil
Date Posted: June 22, 2005 at 9:44 AM
BMW, 3 SERIES, 2003, LF Window up/dn
Extended triggers on the door lock wires will roll the windows up/down and open/close the sunroof. Use validity channels to control.
DIRECTWIRE™ WIRING INFORMATION - BMW / 3 SERIES / 2003 / Security
12volts RED / green and RED / blue + ignition harness
Starter BLACK/ blue + ignition harness
Ignition green + ignition harness
Power Lock blue/red - 54 pin plug, pin 22 at general mod
Notes: The general module is a white box located behind the glove box. The 54 pin plug is the center plug, and the 26 pin plug is the one on the left.
Power Unlock WHITE/ black - 54 pin plug, pin 20 at general mod
Notes: The general module is a white box located behind the glove box. The 54 pin plug is the center plug, and the 26 pin plug is the one on the left.
On some models, unlock may require a double pulse.
Lock Motor white (any one of 5) 5wi 54 pin plug at general module
Notes: The general module is a white box located behind the glove box. The 54 pin plug is the center plug, and the 26 pin plug is the one on the left.
Unlock Motor blue 5wi 54 pin plug, pin 35 at general mod
Notes: The general module is a white box located behind the glove box. The 54 pin plug is the center plug, and the 26 pin plug is the one on the left.
Disarm Defeat (chassis ground)
Parking Lights+
Parking Lights- see notes
Notes: Need to remove the light switch module from the dash and pop off the front cover. A ribbon cable which connects the switch to the module will be exposed. With the switch facing towards you, you need to interrupt the fourth wire from the left with a relay. When interrupted the parking lights will comes on. See DirectFax document 1055 for wiring information.
Hazards
Turn Signal(L)
Turn Signal(R)
Door Trigger RED / blue + 54 pin plug, pin 18 at general mod
Notes: The general module is a white box located behind the glove box. The 54 pin plug is the center plug, and the 26 pin plug is the one on the left.
Dome Supervision comes on with unlock
Trunk/Hatch Pin WHITE/ brown - driver kick panel
Hood Pin PURPLE / green - 26 pin plug, pin 7 at general mod
Notes: The general module is a white box located behind the glove box. The 54 pin plug is the center plug, and the 26 pin plug is the one on the left.
Trunk/Hatch Release gray/green + 54 pin plug, pin 17 at general mod
Notes: The general module is a white box located behind the glove box. The 54 pin plug is the center plug, and the 26 pin plug is the one on the left.
Power Sliding Door
Factory Alarm Arm arms with lock
Factory Alarm Disarm disarms with unlock
Disarm No Unlock
Tachometer black ac diagnostic plug
Notes: The diagnostic plug is on the passenger side of the engine compartment. If the vehicle does not have the diagnostic plug then the black wire can be found at the data link connector under the driver side dash.
Horn Trigger PURPLE / blue + horn relay
Notes: The horn relay is above the general module. It is the green relay to the right of an orange relay.
Memory Seat 1
Memory Seat 2
Memory Seat 3
Interface Module: Category:
Immobilizer Bypass Required:
Yes Type:
EWS III
Part #: 556UW
Alternate Part1 #: 555B
Notes: See DirectFax document 1056 for additional wiring information.
This wiring information is being provided free of charge on an "as is" basis, without any representation or warranty. It is your responsibility to verify any circuit before interfacing with it using a digital multimeter.
Directed electronics, Inc. assumes no responsibility with regards to the accuracy or currency of this information. Proper installation in every case is and remains the responsibility of the installer. DEI assumes no liability or responsibility resulting from improper installation, even in reliance upon this information.
-------------
Be careful whose advice you buy, but be patient with those who supply it.
Extended triggers on the door lock wires will roll the windows up/down and open/close the sunroof. Use validity channels to control.
DIRECTWIRE™ WIRING INFORMATION - BMW / 3 SERIES / 2003 / Security
12volts RED / green and RED / blue + ignition harness
Starter BLACK/ blue + ignition harness
Ignition green + ignition harness
Power Lock blue/red - 54 pin plug, pin 22 at general mod
Notes: The general module is a white box located behind the glove box. The 54 pin plug is the center plug, and the 26 pin plug is the one on the left.
Power Unlock WHITE/ black - 54 pin plug, pin 20 at general mod
Notes: The general module is a white box located behind the glove box. The 54 pin plug is the center plug, and the 26 pin plug is the one on the left.
On some models, unlock may require a double pulse.
Lock Motor white (any one of 5) 5wi 54 pin plug at general module
Notes: The general module is a white box located behind the glove box. The 54 pin plug is the center plug, and the 26 pin plug is the one on the left.
Unlock Motor blue 5wi 54 pin plug, pin 35 at general mod
Notes: The general module is a white box located behind the glove box. The 54 pin plug is the center plug, and the 26 pin plug is the one on the left.
Disarm Defeat (chassis ground)
Parking Lights+
Parking Lights- see notes
Notes: Need to remove the light switch module from the dash and pop off the front cover. A ribbon cable which connects the switch to the module will be exposed. With the switch facing towards you, you need to interrupt the fourth wire from the left with a relay. When interrupted the parking lights will comes on. See DirectFax document 1055 for wiring information.
Hazards
Turn Signal(L)
Turn Signal(R)
Door Trigger RED / blue + 54 pin plug, pin 18 at general mod
Notes: The general module is a white box located behind the glove box. The 54 pin plug is the center plug, and the 26 pin plug is the one on the left.
Dome Supervision comes on with unlock
Trunk/Hatch Pin WHITE/ brown - driver kick panel
Hood Pin PURPLE / green - 26 pin plug, pin 7 at general mod
Notes: The general module is a white box located behind the glove box. The 54 pin plug is the center plug, and the 26 pin plug is the one on the left.
Trunk/Hatch Release gray/green + 54 pin plug, pin 17 at general mod
Notes: The general module is a white box located behind the glove box. The 54 pin plug is the center plug, and the 26 pin plug is the one on the left.
Power Sliding Door
Factory Alarm Arm arms with lock
Factory Alarm Disarm disarms with unlock
Disarm No Unlock
Tachometer black ac diagnostic plug
Notes: The diagnostic plug is on the passenger side of the engine compartment. If the vehicle does not have the diagnostic plug then the black wire can be found at the data link connector under the driver side dash.
Horn Trigger PURPLE / blue + horn relay
Notes: The horn relay is above the general module. It is the green relay to the right of an orange relay.
Memory Seat 1
Memory Seat 2
Memory Seat 3
Interface Module: Category:
Immobilizer Bypass Required:
Yes Type:
EWS III
Part #: 556UW
Alternate Part1 #: 555B
Notes: See DirectFax document 1056 for additional wiring information.
This wiring information is being provided free of charge on an "as is" basis, without any representation or warranty. It is your responsibility to verify any circuit before interfacing with it using a digital multimeter.
Directed electronics, Inc. assumes no responsibility with regards to the accuracy or currency of this information. Proper installation in every case is and remains the responsibility of the installer. DEI assumes no liability or responsibility resulting from improper installation, even in reliance upon this information.
-------------
Be careful whose advice you buy, but be patient with those who supply it.