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Service bulletins for the 2017 BMW 320i

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.

276 on file from NHTSA, as of 2026-10-19.

By type

By component

Bulletins, newest first
B6513162018-07-16. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). NBT-EVO (NEXT GENERATION NAVIGATION PROFESSIONAL) HEAD UNIT CANNOT BE SWAPPED BETWEEN VEHICLES FOR TESTING. ÕCOMPONENT PROTECTION ACTIVEÕ
B6503182018-07-16. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. NO AUDIO PLAYBACK AFTER REPLACING THE HEAD UNIT HIGH 2 (HU-H2): After replacing the Head Unit High (HU-H2) and performing ISTA4 programming, there is no audio playback.
B6113162018-07-16. Service bulletin. ELECTRICAL SYSTEM. KLE CHARGING FAULT 21E6E9: During the ISTA short test diagnosis, fault code 21E6E9 Ð ÒCharging electronics: Charging mode interruptedÓ is found stored in the KLE (Convenience Charging Electronics) module.
B5130162018-07-16. Service bulletin. STRUCTURE:BODY:TAILGATE. TAILGATE UNINTENTIONALLY OPENS: Trunk/tailgate may open when vehicle is locked.
B8408182018-05-21. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT. HEAD UNIT HIGH 2 RESET WHILE BLUETOOTH IS CONNECTED: The following event may cause an unexpected reset of the Head Unit High 2 (NBT EVO) when:
B8407182018-05-21. Service bulletin. EQUIPMENT; EQUIPMENT:ELECTRICAL. IPHONE: CALL LIST MISSING AFTER RESTART: The call list from iPhone 8 or iPhone X, that is displayed, is missing after cycling the ignition.
B6513162018-05-21. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE. NBT-EVO Head Unit Cannot be Swapped between Vehicles for Testing: If either the NBT-EVO head unit or Body Domain Controller (BDC) are swapped into a different vehicle they will cause the head unit NBT-EVO to enter a locked mode once it recognizes a different VIN.
B6212152018-05-21. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. INSTRUMENT CLUSTER OUTSIDE TEMPERATURE DISPLAY IMPLAUSIBLE: In the Instrument Cluster (Kombi) display you may observe an implausible outside temperature reading.
B6526172018-05-14. Service bulletin. EQUIPMENT. NBT EVO CHANGES BETWEEN SELECTIONS BY ITSELF WITHOUT DRIVER INPUT- GHOST BEHAVIOR: The Central Information Display (CID) changes between selections (ghost behavior) and sounds an audio tone without the CID Screen being touched.
B6525172018-05-14. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. ENTRY EVO HEAD UNIT WILL NOT PLAY MP3 FORMATTED CD's: Data CDÕs (encoded as MP3Õs) can NOT be played.
B6309172018-05-14. Service bulletin. EXTERIOR LIGHTING:TAIL LIGHTS. REAR TAIL LIGHT FAILURE: Exterior rear lights do not work.
B5144162018-05-14. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR. EXTERIOR MIRROR: CREAKING NOISES: Creaking noise coming from either or both exterior rearview mirrors when folding in.
B5113142018-05-14. Service bulletin. LATCHES/LOCKS/LINKAGES:TRUNK LID:LOCK. Trunk Lid Does Not Open Completely: The trunk lid/hatch does not open fully when unlatched with remote or hands-free operation.
B0101162018-05-14. Service bulletin. ENGINE AND ENGINE COOLING. N20 Engine Coolant Thermostat: Limited Warranty Extension to 10 Years/120,000 Miles
B8406182018-05-07. Service bulletin. EQUIPMENT:ELECTRICAL:ANTI-THEFT DEVICES. CONNECTEDDRIVE-REMOTE SERVICES DO NOT FUNCTION: Remote Services (such as locking and unlocking the car, vehicle location by honking the horn, flashing the lights or on the map in the BMW Connected App) do not function after vehicle has been sitting for extended amount of time (In excess of 20 hours).
B8404182018-05-07. Service bulletin. EQUIPMENT:ELECTRICAL. BLUETOOTH AND USB AUDIO PLAYBACK FUNCTIONS MISSING - IPHONE: Playlists, song titles, etc. from iPhone do not display on Head Unit Basic 2.
B6623172018-05-07. Service bulletin. EQUIPMENT:ELECTRICAL. CONTACTLESS TAILGATE (SMART OPENER) IS TOO SENSITIVE: When the remote is located in the range of the Smart Opener operation may be the contactless tailgate (Smart Opener) opens / close unintentionally from objects in the vicinity of the rear of the vehicle; for example by a gas filling hose.
B6513162018-05-07. Service bulletin. EQUIPMENT. NBT-EVO Head Unit Cannot be Swapped between Vehicles for Testing. 'Component Protection Active': If either the NBT-EVO head unit or Body Domain Controller (BDC) are swapped into a different vehicle they will cause the head unit NBT-EVO to enter a locked mode once it recognizes a different VIN.
B8411172018-04-23. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. BMW APPS RANDOMLY STARTS PLAYING ON ITS OWN: While listening to FM, or AM, or Satellite Radio (SDARs), the audio source randomly switches to BMW Apps (Pandora, Spotify, Audible etc.) with no input from driver or passenger.
B8402182018-04-23. Service bulletin. ELECTRICAL SYSTEM. HEAD UNIT HIGH RESETS WITH CONNECTION OF IPHONE 8, IPHONE 8+ OR IPHONE X
B6623172018-04-23. Service bulletin. FUEL SYSTEM, GASOLINE. CONTACTLESS TAILGATE (SMART OPENER) IS TOO SENSITIVE: When the remote is located in the range of the Smart Opener operation may be the contactless tailgate (Smart Opener) opens / close unintentionally from objects in the vicinity of the rear of the vehicle; for example by a gas filling hose.
B6218172018-04-23. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. FUEL GAUGE ERRONEOUS DISPLAY: Vehicle runs out of fuel but the instrument cluster still displays fuel remaining in the tank.
B6201182018-04-23. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. INSTRUMENT CLUSTER BLANKS OUT OR REMAINS DARK AFTER STARTING THE VEHICLE: Instrument cluster display goes black during starting or while driving.
B6127172018-04-23. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. REPLACE BATTERY CHECK CONTROL MESSAGE: In-stock, new vehicle instrument cluster displays the red CCM ÒReplace BatteryÓ (ID # 460).
B1206182018-04-23. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. DME FAULT CODE CDC203: Various control units contain faults indicating missing messages from the battery management electronics

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.