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Service bulletins for the 2016 BMW 340i

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.

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

By type

By component

Bulletins, newest first
B1801172018-11-05. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; ENGINE. "? DIESEL PARTICULATE FILTER (DPF) CLEANING . The following performance issues may be noticed by the customer: CC-Message ""Drive faulty"" Engine jerking or a lack of power over the whole engine speed range Malfunction indicator lamp (MIL) is illuminated The following fault codes may be stored in the DDE: N47T/N57T engine Main Faults: 245700 - Particle filter system: particulate filter highly loaded (Exhaust backpressure high) 258300 - Exhaust backpressure sensor, Signal: Signal too high Secondary Faults: 244C00 - Charging pressure control, control deviation: charging pressure too low/positive deviation 25DA00 - Exhaust gas difference pressure sensor particle filter, Signal: short circuit to plus pole M57Y engine Main Faults: 480A particle filter system 481A particle filter system Secondary Faults: 4530 charging pressure control, control deviation 429A charging pressure control low pressure stage, control deviation Clogged DPF."
B1117162018-11-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. ?VOLUNTARY EMISSIONS RECALL CAMPAIGN 16E-A05 - N26 ENGINE: REPLACE TURBOCHARGER OIL SUPPLY LINE . Carbonization of the turbocharger sealing ring can cause the exhaust to smoke briefly during cold start up.
B6124172018-10-09. Service bulletin. STEERING. STEERING WHEEL BUTTONS DO NOT FUNCTION RELIABLY: Sporadic or continuous malfunction of multifunction steering wheel buttons
B6111182018-10-09. Service bulletin. ELECTRICAL SYSTEM. AFTER EXCHANGING THE FRONT ELECTRONIC MODULE (FEM), PROGRAMMING / ENCODING IS NOT POSSIBLE: After replacing the Front Electronic Module (FEM) for an applicable repair, programming / encoding is not possible.
B8402142018-10-09. Service bulletin. EQUIPMENT. CONNECTEDDRIVE/BMW ASSIST SYSTEM DIAGNOSIS INFORMATION: ConnectedDrive/BMW Assist features are partially or completely inoperative.
B6513162018-10-09. Service bulletin. EQUIPMENT. COMPONENT PROTECTION ACTIVE. HEAD UNITS CANNOT BE SWAPPED BETWEEN VEHICLES FOR TESTING.: If either the head unit (NBT-EVO or ENTRY-NAV-EVO) or the Body Domain Controller (BDC) are swapped into a different vehicle they will cause the head unit to enter a locked mode once it recognizes a different VIN.
B6507092018-10-09. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). NAVIGATION SYSTEM: REPORTING MISSING OR INCORRECT ROAD MAP DATA: The route guidance is inaccurate and therefore irritating to the customer; or it is not possible to locate certain addresses, for instance:
B5203182018-10-09. Service bulletin. SEATS. MEMORY SEAT ADJUSTMENT IS LIMITED: After programming the vehicle with ISTA 4.10.2x, the adjustment range of the memory seat may restricted.
B1204182018-10-09. Service bulletin. ENGINE; ENGINE AND ENGINE COOLING. BUZZING NOISE FROM VALVETRONIC MOTOR BEFORE OR AFTER ENGINE OPERATION: Buzzing noise may be heard from the Valvetronic motor when the vehicle is unlocked, before the engine is started, or after the engine is turned off.
B8408182018-08-06. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM. 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:
B8406162018-08-06. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM:SOFTWARE. BMW ONLINE NON-FUNCTIONAL: CHECK ICC-ID IN ACCOUNT: BMW Online/BMW ConnectedDrive not functional.
B6511172018-08-06. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). NAVIGATION PRO (NBT EVO) MAP UPDATE NOT POSSIBLE, NAVIGATION DOES NOT START: Navigation system will not start at all or the: ÒNavigation system startsÓ message is permanently displayed; or
B6507092018-08-06. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). NAVIGATION SYSTEM: REPORTING MISSING OR INCORRECT ROAD MAP DATA: The route guidance is inaccurate and therefore irritating to the customer; or it is not possible to locate certain addresses, for instance:
B8403142018-07-16. Service bulletin. EQUIPMENT:ELECTRICAL. Bluetooth Connection Failures: There are various connectivity failures with the following devices: Apple iPhones: Samsung S6 and the S6 Edge.
B6608142018-07-16. Service bulletin. BACK OVER PREVENTION. Side View Camera Does Not Display Picture.
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.
B6306162018-07-16. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. HALOGEN HEADLIGHT ADJUSTMENT PROCEDURE: Halogen headlights may be misaligned (aimed too low or high).
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.
B1203182018-07-16. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. NO AUDIBLE DIFFERENCE IN EXHAUST WITH "M PERFORMANCE POWER AND SOUND KIT
B1202182018-07-16. Service bulletin. ENGINE AND ENGINE COOLING. F2X F3X -THE ENGINE STARTS THEN SWITCHES OFF IMMEDIATELY: After starting the engine and immediately selecting a drive gear, the engine may switch off.
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.

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