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Service bulletin B320219

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10153750
Published by NHTSA2019-02-25
Manufacturer's numberB320219
Manufacturer's date2019-01-01
NHTSA componentELECTRICAL SYSTEM:12V/24V/48V BATTERY; STEERING

NHTSA's summary

STEERING ASSISTANCE FAILURE DUE TO FAILURE OF AUXILIARY BATTERY. The steering is made more difficult by failure of the 12 V auxiliary battery. The Check Control message lights up: It is possible to continue driving. Steering effort and/or steering behavior is changed. Drive moderately. Failure of 12V auxiliary battery.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system, Steering, 12-volt battery

Vehicles listed
BMW 740E2017
BMW 740I2017
BMW 740LI2016 to 2017
BMW 750LI2016 to 2017
BMW M760I2017

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
B6124202021-08-09. Service bulletin. 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.
B6514192019-10-21. Service bulletin. 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.
B6109192019-07-22. Service bulletin. 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.
B6106192019-06-24. Service bulletin. 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.
B6104192019-05-20. Service bulletin. VEHICLE DOES NOT START BATTERY TOTALLY DISCHARGED This Service Information bulletin replaces SI B61 04 19 dated March 2019.
B6104192019-05-20. Service bulletin. VEHICLE DOES NOT START BATTERY TOTALLY DISCHARGED This Service Information bulletin replaces SI B61 04 19 dated March 2019.
B6104192019-04-22. Service bulletin. THE VEHICLE DOES NOT START BATTERY TOTALLY DISCHARGED. The customer's vehicle does not start due to a totally discharged battery.
B0109182018-10-09. Service bulletin. HIGH-VOLTAGE BATTERY SAFETY BOX: LIMITED WARRANTY EXTENSION TO 10 YEARS/120,000 MILEAGE: For the eligible vehicles, BMW of North America, LLC (ÒBMW NAÓ) is extending the limited warranty for the vehicleÕs high-voltage battery safety box to: