Headunit Basic: Intermittently No AM Radio Reception
BMW technical service bulletin 651613 for 2012-2014 BMW 328I, 2012-2014 BMW 335I and 2014 BMW 328D and others.
- Bulletin number
- 651613
- Component
- Equipment: electrical
- Summary
- Headunit Basic: Intermittently No AM Radio Reception. The Headunit Basic (HU-B), also called Radio Professional or ENTRY head unit, intermittently does not have AM radio reception after starting the vehicle when left in AM mode. Only hissing or static noise can be heard AM radio stations are correctly displayed Proper function can be restored by switching to FM mode and back to AM mode. No fault code is stored in the head unit. Software issue in the HU-B
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