# Service bulletin B610121

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.

- Type: Service bulletin
- NHTSA id: 10187478
- Published by NHTSA: 2021\-02\-22
- Manufacturer's number: B610121
- Manufacturer's date: 2021\-01\-01
- NHTSA component: STRUCTURE:BODY:HOOD; ELECTRICAL SYSTEM:12V/24V/48V BATTERY

## NHTSA's summary

BATTERY DOES NOT CHARGE WITH EXTERNAL CHARGER AND CLOSED HOOD: After the vehicle has been charged using a 12 V charger with the hood closed during a long stationary period, the 48 V battery may be totally discharged, and possible replacement is needed.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10187478-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10187478-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Body and frame, Electrical system, 12\-volt battery

## Vehicles listed

- 2021 BMW 330E
- 2019 to 2021 BMW 330I
- 2021 BMW 430I
- 2018 to 2021 BMW 530E
- 2017 to 2021 BMW 530I
- 2018 to 2019 BMW 540D
- 2020 BMW 540D
- 2017 to 2021 BMW 540I
- 2018 BMW C 400 X
- 2017 BMW F800 R
- 2020 to 2021 BMW M340I
- 2021 BMW M440I
- 2017 BMW M550I
- 2018 to 2021 BMW M550I
- 2019 to 2021 BMW X5
- 2019 to 2021 BMW X7

## Recalls for the same vehicles and component

- [20V761000](/recalls/nhtsa/20V761000.md), 2020-12-09: ELECTRICAL SYSTEM:12V/24V/48V BATTERY
- [20V490000](/recalls/nhtsa/20V490000.md), 2020-08-18: ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY; ELECTRICAL SYSTEM:12V/24V/48V BATTERY

## Other bulletins for the same vehicles and component

- [B661223](/bulletins/10242533.md), 2023-09-18, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY; COMMUNICATION:MANUFACTURER TELEMATICS. ?BMW AG has issued a Delivery Stop for BMW X5, X6, X7, and 7 Series sedan vehicles that were produced between July 7, 2023 and August 15, 2023. Usage of the Highway Assist function \(option code 5AX\) is not possible.
- [B610522](/bulletins/10211865.md), 2022-05-16, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. BMW AG has issued a Delivery Stop \(effective March 29, 2022\) on three \(3\) Model Year 2022 BMW X5 SAV vehicles that were produced on March 23, 2022. The 12V battery vent tube will need to be replaced.
- [B612420](/bulletins/10200239.md), 2021-08-09, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. Some of the vehicles listed above which were initially identified as requiring Recall Campaign 20V\-601 \- HIGH VOLTAGE BATTERY to be performed and completed are now no longer included in this Recall.
- [B610319](/bulletins/10199299.md), 2021-07-19, Service bulletin: EQUIPMENT; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. SERVICE ACTION: PROGRAM OR REPLACE DUAL STORAGE SYSTEM BATTERY: A software error intermittently causes a continuous resetting of the microcontroller in the power management system. This causes the red Check Control Message \(CCM\) "Replace Battery" to be illuminated.
- [B612720](/bulletins/10187480.md), 2021-02-22, Service bulletin: EQUIPMENT; ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES. CHECKING THE JUMP START POINT COVER AND REWORKING IF NECESSARY: It is possible that the jump start terminal point cover was not installed, or not properly installed on the affected vehicles.
- [B651419](/bulletins/10166390.md), 2019-10-21, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. HEAD UNIT NBT EVO \(HU\-H2\) PROGRAMMING ABORT: The CID screen may light up blue. When this occurs A battery reset is not successful in restoring head unit operation Software error in the Bootloader file \(BTLD\) of the head unit.
- [B610919](/bulletins/10163050.md), 2019-07-22, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. SERVICE ACTION: CHECKING THE SIGNAL WIRE AT POWER DISTRIBUTION BOX. The lithium\-ion battery in the dual storage system is connected to the terminal 30C to enable issuing a switch\-off command in the event of a crash.
- [B610619](/bulletins/10161567.md), 2019-06-24, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT. HIGH VOLTAGE DIAGNOSTIC SPECIALIST TRAINING AND EQUIPMENT STRATEGY. INFORMATION The ST1821 High Voltage Diagnostic Specialist Certification \(HVS\) is the next step in the E\-mobility service strategy for BMW technicians.
- [B610419](/bulletins/10160348.md), 2019-05-20, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; ENGINE; ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. VEHICLE DOES NOT START BATTERY TOTALLY DISCHARGED This Service Information bulletin replaces SI B61 04 19 dated March 2019.
- [B610319](/bulletins/10160347.md), 2019-05-20, Service bulletin: EQUIPMENT; ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM:SOFTWARE. SERVICE ACTION: PROGRAM OR REPLACE DUAL STORAGE SYSTEM BATTERY. A software error intermittently causes a continuous resetting of the microcontroller in the power management system. This causes the red Check Control Message \(CCM\) "Replace Battery" to be illuminated. Software error in Dual Storage System Battery.

JSON: [/v1/bulletins/10187478](/v1/bulletins/10187478)

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