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 MANUALSBMW2004760LI (E66) V12-6.0L (N73)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSRELAYS AND MODULES - COMPUTERS AND CONTROL SYSTEMSINTEGRATED CONTROL RELAY MODULESERVICE AND REPAIR
2004 BMW 760Li (E66) V12-6.0L (N73)
Integrated Control Relay Module: Service and Repair
2004 BMW 760Li (E66) V12-6.0L (N73)SECTION Service and Repair
12 52 005 - Removing and installing/replacing integrated supply module (N73)
Necessary preliminary tasks:
- Read fault memory.
- Switch off ignition.
- Follow instructions for disconnecting and connecting battery Instructions for Disconnecting and Connecting Battery.
Disconnect battery.
Remove right fresh air duct Removing and Installing/Replacing Left or Right Fresh Air Duct (Automatic A/C Basic).
Release screw and remove holder (1).
Release screws and remove cover (2) from control unit box.
Note:
Release screws on seal (3) only when removing wiring harness.
Installation:
Insert tabs (1) in openings (2) and close cover.
Unlock plug connections on integrated supply module (1) and disconnect.
Remove integrated supply module (1).
Assemble vehicle.
Check function of DME.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.