Service bulletins for the 2012 BMW 740i
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
287 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: 12-volt battery are shown. Show all
| 612213 | 2018-12-03. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. """Increased battery discharge!"" CC Message upon Startup. CAUSE A software error in the Intelligent Battery Sensor causes an incorrect State of Charge (SoC) to be stored in the DME. The power management system then interprets this as a heavily discharged battery and informs the customer via a CC message. In reality, the battery does not have a problem." |
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| B652516 | 2018-11-05. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. USB CABLE: BATTERY DISCHARGE/AUDIO FAILURE/RADIO RECEPTION. No sound from the radio, telephone, gong signal and or PDC. Poor radio reception and failure of the telematics systems. Possible Check Control system message: o Battery discharge when engine off. o Caution, no acoustic warning signals. Non BMW approved (third-party supplier) USB cable plugged into the USB port. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.