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.
2003 BMW M5FACTORY OEM SERVICE PROCEDURE
Sending Units & Sensors
SENDING UNITS & SENSORS LOCATION
| Component | Location |
|---|---|
| Camshaft Pulse Generator Inlet | On cylinder head at inlet side, next to oil filter housing. See Figure |
| Camshaft Pulse Generator Exhaust | On cylinder head at front on exhaust side. See Figure |
| Coolant Outlet Temperature Sensor (I01058) | Right front of engine. See Figure. |
| Evaporator Temperature Sensor (B14) | Right side of left footwell. See Figure. |
| Fuel Level Sensor II (B25) | Below left rear seat. See Figure. |
| Oil Temperature Sensor (B2243) | Lower left side of engine. See Figure. |
| Oxygen Sensor | Under vehicle and right side of engine compartment. See Figure-Figure. . |
| Pressure Sensor (B76) | Right side of engine compartment. See Figure. |
| Solar Sensor (B66) | Top center of dash. See Figure. |
| Steering Angle Sensor (R33) | Steering column. See Figure. |
| Temperature Sensor (B21) | Under right front of vehicle. See Figure. |
| Transverse Acceleration Sensor (B74) | Below left front seat. See Figure. |
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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