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Service bulletin B621415

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 id10151019
Published by NHTSA2018-12-10
Manufacturer's numberB621415
Manufacturer's date2016-01-01
NHTSA componentELECTRICAL SYSTEM:WIRING; ELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

Instrument Cluster Multifunction Display Intermittently Blank . Some information displays in the Instrument Cluster (KOMBI) may intermittently go blank. This may include the tachometer and speedometer displays. There is a software error in the KOMBI.

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, Software, Wiring and fuses

Vehicles listed
BMW 525I
BMW 528I2015, 2016
BMW 535D2015, 2016
BMW 535I2015, 2016, 2017
BMW 550I2015, 2016, 2017
BMW 640I2015, 2016, 2017
BMW 650I2015, 2016, 2017
BMW 740I2015
BMW 740LD2015
BMW 740LI2015
BMW 750I2015
BMW 750LI2015
BMW 760LI2015
BMW ACTIVE HYBRID 72015
BMW M52015, 2016
BMW M62015, 2016, 2017
BMW X32015, 2016, 2017
BMW X42015, 2016, 2017
BMW X52015, 2016, 2017
BMW X62015, 2016, 2017

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

Recalls for the same vehicles and component
24V6080002024-08-13. ELECTRICAL SYSTEM:WIRING:CONNECTORS/PLUGS/RECEPTACLES; ENGINE AND ENGINE COOLING:COOLING SYSTEM:PUMP
16V9190002016-12-21. ELECTRICAL SYSTEM:WIRING

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
B8402212021-08-09. Service bulletin. The discontinuation of 3G cellular communication for Combox, TCB 3G and ATM 3G (Telematics ControlModule) can no longer be supported by the cellular network provider starting February 2022. The decision to phase out 3G network technology was made at the discretion of the respective cellular carriers and lies beyond the control of BMW. Due to the phase-out, BMW Assist and ConnectedDrive services will no longer be supported after this date.
B6507092020-08-31. Service bulletin. NAVIGATION SYSTEM - REPORTING MISSING OR INCORRECT ROADMAP DATA: Do not replace parts and do not program the vehicle. Roads can change by up to 15% every year. To ensure the best navigation experience, we do everything in our power to create the best maps. Your reports help us to detect changes in your area and keep future versions of our maps as accurate as possible. Therefore, a road map error or missing data must be reported directly to the map supplier.
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.
B6514192019-07-22. Service bulletin. HEAD UNIT NBT EVO (HU-H2) PROGRAMMING ABORT. During programming several aborts can occur in the head unit NBT EVO (HU-H2).
B1210182019-07-22. Service bulletin. MALFUNCTION INDICATOR LAMP (MIL): IHKA FC 801386 This Service Information bulletin supersedes SI B12 10 18 dated April 2018.
B6220172019-05-20. Service bulletin. N63T CCM "LOW OIL LEVEL" NOT DISPLAYED. Drivetrain Malfunction Warning is illuminated and DME fault code 1C4002 (Engine oil level: too low) is stored. Customer complains that Check Control Message (Low Oil level") has never been displayed. The engine oil level measurement test works correctly and shows low oil level when checked under Vehicle Status tab in CID.
B6104192019-05-20. Service bulletin. VEHICLE DOES NOT START BATTERY TOTALLY DISCHARGED This Service Information bulletin replaces SI B61 04 19 dated March 2019.
B1209192019-05-20. Service bulletin. EME GROUND CONNECTION MONITORING FAULTS - CCM - DRIVE. CHECK AS SOON AS POSSIBLE. The following check control messages are displayed: CCM 794 - Drive.
B1101182019-05-20. Service bulletin. N63T - CCM "LOW OIL LEVEL" NOT DISPLAYED. Drivetrain Malfunction Warning is illuminated and DME fault code 1C4002 (Engine oil level: too low) is stored. Customer complains that Check Control Message (Low Oil level") has never been displayed. The engine oil level measurement test works correctly and shows low oil level when checked under Vehicle Status tab in CID. Instrument cluster software error.
B6119182019-02-25. Service bulletin. STANDARD OCCASIONAL USE CABLE - CHARGING COMPLAINT TROUBLESHOOTING.