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Service bulletin B621115

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 id10147883
Published by NHTSA2018-11-13
Manufacturer's numberB621115
Manufacturer's date2015-12-01
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

Head-Up Display (HUD) Rattling Noises During Image Adjustment or While Driving. When operating the Head-Up Display (HUD) adjustment a noise can be heard from inside the dashboard behind the Instrument Cluster. While driving over rough roads something can be heard rattling inside the HUD. Internal HUD failure.

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

Vehicles listed
BMW 320I2013, 2014, 2015, 2016
BMW 328D2014, 2015, 2016
BMW 328I2012, 2013, 2014, 2015, 2016
BMW 330E2016
BMW 335I2012, 2013, 2014, 2015, 2016
BMW 340I2016
BMW ACTIVE HYBRID 32013
BMW ACTIVE HYBRID 32014, 2015

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

Recalls for the same vehicles and component
20263322026-07-08. Electrical
26V4410002026-07-08. ELECTRICAL SYSTEM:STARTER ASSEMBLY:RELAY
24V6080002024-08-13. ELECTRICAL SYSTEM:WIRING:CONNECTORS/PLUGS/RECEPTACLES; ENGINE AND ENGINE COOLING:COOLING SYSTEM:PUMP
20193102019-06-20. Electrical
20153432015-07-30. Electrical

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
B0120162025-02-24. Warranty extension. The Footwell Module (FRM) limited warranty for defects in materials and / or workmanship has been supplementarily increased to 15 years / 240,000 miles as determined from the original first in-service / delivery date.
B0111242024-12-31. Warranty extension. the High-Voltage (HV) Battery Assembly Cell Modules Temperature Sensors (Internal NTC repair kit-specific) limited warranty for defects in materials or workmanship has been extended to 15 years/150,000 miles as determined from the original in-service/first delivery date.
B5108192024-02-01. Service bulletin. The basic conditions for initializing the power windows are not met.
B6113052024-02-01. Service bulletin. The electrical system of BMW vehicles has been subject to an ongoing development process over the last few years. This has led to increased demands being placed on the battery. This document covers important information for the dealer on how to handle “discharged battery” complaints.
B6515232023-06-26. Service bulletin. After programming the head unit (HU-H2), activating the FSC (German word Freischaltcode) Enabling Codes repeatedly fails.
B8408222023-05-01. Service bulletin. The 3G network in the US has been shut down. This means that only the 4G network will be available. In the 4G network, voice calls will be transferred via the Voice over LTE (VoLTE) function. For this purpose, the SIM card must perform an IMS registration in the mobile communication network. Due to a production error, the telematics control units were delivered without an IMS configuration. The Connected Drive voice services (Concierge Call, BMW Assistance, and emergency call voice) can no longer be used regionally in the US in vehicle with telematics control units ATM-1 and TCB-4G. Voice control of the vehicle and all other telephone (paired mobile devices) functions are not affected. Emergency call location data is unaffected.
B6309172023-05-01. Service bulletin. Exterior rear lights do not work.
B6101202022-10-31. Service bulletin. Customer is unable to power up or charge accessories through a plug adapter inserted in the front 12-volt power socket plug. Alternatively, it will only operate when constant downward hand pressure is maintained.
SIB6409212022-08-22. Service bulletin. On these Plug-in Hybrid Electric Vehicles (PHEV), the air conditioning cycles from cold to warm air while driving or while at a standstill. The vent outlet temperatures vary by 25 degrees Fahrenheit or more (38 F to 60 F+; 3 to 15+ Celsius) without changing any climate control settings. A difference may be felt in cooling power compared from left to right. In some cases, the air conditioning may have stopped blowing cold air altogether. A rattling noise may also be heard coming from the electrical coolant condenser (EKMV).
TEC252022-08-01. Service bulletin. Tec25 Wishbone Return