Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSBMW2004325CI CONVERTIBLE (E46) L6-2.5L (M56)REPAIR AND DIAGNOSISRELAYS AND MODULESRELAYS AND MODULES - ACCESSORIES AND OPTIONAL EQUIPMENTTECHNICAL SERVICE BULLETINS
2004 BMW 325Ci Convertible (E46) L6-2.5L (M56)
Relays and Modules - Accessories and Optional Equipment: Technical Service Bulletins
2004 BMW 325Ci Convertible (E46) L6-2.5L (M56)SECTION Technical Service Bulletins
- Recalls
- Campaign - Telematics Control Unit (TCU) Reactivation
- Campaign - Reactivation Of Telematics(R) Control Unit
- Campaign - Reactivating Telematics(R) Control Unit
- Campaign - Reactivating Telematics Control Unit
- Campaign - Telematics Control Unit (TCU) Installation
- Campaign - BMW Assist Inoperative, Install TCU
- Campaign - TCU Inspection/Replacement
- Campaign - Telematics Control Unit Inspect/Replace
- Campaign - 'BMW Assist' Inoperative
- Campaign - Telematics(R) Control Unit
- Customer Interest
- BMW Assist(R) - Red LED Illuminated On The BM/MID
- BMW Assist(R) - System Inactive Message is Displayed
- BMW Assist(R) - Faulty NAD Found During Reactivation
- Telematics Control Unit - Numerous System Malfunctions
- Accessories - TCU Missing From Vehicles Not in Campaign
- Keyless Entry/Antitheft - Remotes Inoperative
- Navigation System - MK3, Difficulty Coding
- Body - Electric Mirrors Inoperative
- BMW Assist(R) - Calls Cannot be Completed
- Alarm System - False DWA Alarms/Codes Set
- Antitheft System - False Alarms
- Telematics - BMW Assist or Bluetooth Inoperative Code 73
- BMW Assist(R) - Location Unknown Or Inaccurate
- Body - Window One-Touch Inop After KGM/GM R and R
- Accessories - Integrated Univ. Remote Control Diag. Tips
- Navigation - Update Navigation After (CIC) Head Replaced
- Audio System - CD Artist/Song Titles Not Displayed
- Audio System - Cannot Select SIRIUS/XM(R) Preset 2
- By Symptom
- Customer Interest
- BMW Assist(R) - Red LED Illuminated On The BM/MID
- BMW Assist(R) - System Inactive Message is Displayed
- BMW Assist(R) - Faulty NAD Found During Reactivation
- Telematics Control Unit - Numerous System Malfunctions
- Accessories - TCU Missing From Vehicles Not in Campaign
- Keyless Entry/Antitheft - Remotes Inoperative
- Navigation System - MK3, Difficulty Coding
- Body - Electric Mirrors Inoperative
- BMW Assist(R) - Calls Cannot be Completed
- Alarm System - False DWA Alarms/Codes Set
- Antitheft System - False Alarms
- Telematics - BMW Assist or Bluetooth Inoperative Code 73
- BMW Assist(R) - Location Unknown Or Inaccurate
- Body - Window One-Touch Inop After KGM/GM R and R
- Accessories - Integrated Univ. Remote Control Diag. Tips
- Navigation - Update Navigation After (CIC) Head Replaced
- Audio System - CD Artist/Song Titles Not Displayed
- Audio System - Cannot Select SIRIUS/XM(R) Preset 2
- Erratic Operation
- False instrument warning light/gauges
- Inoperative
- Telematics Control Unit - Numerous System Malfunctions
- Keyless Entry/Antitheft - Remotes Inoperative
- Navigation System - MK3, Difficulty Coding
- Body - Electric Mirrors Inoperative
- Campaign - 'BMW Assist' Inoperative
- BMW Assist(R) - Calls Cannot be Completed
- Body - Window One-Touch Inop After KGM/GM R and R
- Audio System/Instruments - Various System Complaints
- Audio System - CD Artist/Song Titles Not Displayed
- Noise
- Recalls
- Campaign - Telematics Control Unit (TCU) Reactivation
- Campaign - Reactivation Of Telematics(R) Control Unit
- Campaign - Reactivating Telematics(R) Control Unit
- Campaign - Reactivating Telematics Control Unit
- Campaign - Telematics Control Unit (TCU) Installation
- Campaign - BMW Assist Inoperative, Install TCU
- Campaign - TCU Inspection/Replacement
- Campaign - Telematics Control Unit Inspect/Replace
- Campaign - 'BMW Assist' Inoperative
- Campaign - Telematics(R) Control Unit
- Customer Interest
- All Technical Service Bulletins
- Campaign - Telematics Control Unit (TCU) Reactivation
- Campaign - Reactivation Of Telematics(R) Control Unit
- BMW Assist(R) - Red LED Illuminated On The BM/MID
- BMW Assist(R) - System Inactive Message is Displayed
- BMW Assist(R) - Faulty NAD Found During Reactivation
- Campaign - Reactivating Telematics(R) Control Unit
- Telematics Control Unit - Numerous System Malfunctions
- Campaign - Reactivating Telematics Control Unit
- Campaign - Telematics Control Unit (TCU) Installation
- Campaign - BMW Assist Inoperative, Install TCU
- Accessories - TCU Missing From Vehicles Not in Campaign
- Campaign - TCU Inspection/Replacement
- Keyless Entry/Antitheft - Remotes Inoperative
- Navigation System - MK3, Difficulty Coding
- Body - Electric Mirrors Inoperative
- Campaign - Telematics Control Unit Inspect/Replace
- Campaign - 'BMW Assist' Inoperative
- BMW Assist(R) - Calls Cannot be Completed
- Alarm System - False DWA Alarms/Codes Set
- Antitheft System - False Alarms
- Campaign - Telematics(R) Control Unit
- Telematics - BMW Assist or Bluetooth Inoperative Code 73
- Telematics Control Unit - Bluetooth(R) Retrofit
- BMW Assist(R) - Location Unknown Or Inaccurate
- Body - Window One-Touch Inop After KGM/GM R and R
- Computers/Controls - ISTA/D DTC S0001 After Quick Delete
- BMW Assist(R) - Capabilities And Services By Model Year
- BMW Assist(R) - Reactivation Of BMW Assist(R) Services
- Navigation System - Software Version Information
- Accessories - Integrated Univ. Remote Control Diag. Tips
- Navigation - Update Navigation After (CIC) Head Replaced
- Audio System/Instruments - Various System Complaints
- Telematics Control Unit (TCU) - Swapping For Testing
- Audio System - CD Artist/Song Titles Not Displayed
- Telematics(R) - CDMA Telematics Control Unit Replacement
- Audio System - Cannot Select SIRIUS/XM(R) Preset 2
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.