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.
Transmitter Power Output And Antenna Component Locations, A3, From My 2004 Through My 2012
| Designation | Pmax (Watt) | Specified Antenna Component Locations |
|---|---|---|
| 4 m band | 20 (eff.) | Rear roof center |
| 2 m band | 50 (eff.) | Rear roof center |
| 70 cm band | 50 (eff.) | Rear roof center |
| D-network telephone | 20 (PEP) | Rear roof center |
| E-network telephone | 10 (PEP) | Rear roof center |
| Bluetooth (2400 to 2483 MHz) | 500 mW | Under the front passenger seat |
| UMTS network | 10 W | Rear of the roof Center of rear lid |
| Short-range radar (76.5 GHz) | Less than 10 mW | Behind the radiator grille |
eff. = effective transmission output
PEP = maximum carrier power (Peak Envelope Power)
If transmitter/receiver units are installed with a higher output or with an antenna that differs from the items named above, the vehicle operating permit may be void.
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.