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 MANUALSBMW2008M5 (E60) V10-5.0L (S85)REPAIR AND DIAGNOSISRELAYS AND MODULESRELAYS AND MODULES - ACCESSORIES AND OPTIONAL EQUIPMENTCOMMUNICATIONS CONTROL MODULESERVICE AND REPAIR
2008 BMW M5 (E60) V10-5.0L (S85)
Communications Control Module: Service and Repair
2008 BMW M5 (E60) V10-5.0L (S85)SECTION Service and Repair
84 11 650 - Removing and installing/replacing telematic control unit (TCU) (option SA633/SA638/SA639/SA664)
Important!
Replacement with option SA638/SA664:
- Carry out programming/coding Programming and Relearning
- If necessary, carry out coupling procedure
Replacement with option SA633/SA639:
- Carry out programming/coding Programming and Relearning
- Via Diagnosis and Information System (DIS):
- Service functions
- Start subsequent assessment
Important!
Read and comply with notes on protection against electrostatic damage (ESD protection) 61 35 ... Notes on ESD Protection (Electro Static Discharge).
Note:
Follow instructions for handling fiber optic cables 61 00 ... Notes on Handling Optical Fibers.
Necessary preliminary tasks:
- Disconnect battery negative lead Instructions for Disconnecting and Connecting Battery
- Remove luggage compartment wheel arch trim on left
Unlock plug connections (1) and (2) and disconnect.
Unfasten antenna plug (3) and disconnect.
Release nuts (4) and remove TCU (5).
Installation Note:
Observe color coding of aerial/antenna plugs (3).
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:
- • 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.