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Service bulletins for the 2015 BMW M4

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.

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

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By trouble code

Only bulletins with component: Equipment and accessories are shown. Show all

Bulletins, newest first
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.
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.
B6509152018-05-14. Service bulletin. EQUIPMENT:ELECTRICAL. NBT Head Unit High (HU-H) Resets Intermittently or Permanently
B6513122018-05-07. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). HEADUNIT NAVIGATION MAPS (HU-H HU-H2 HU-B): The Headunit High (HU-H), also called NBT, began replacing the Car Information Computer (CIC) on certain MY2013 vehicles with option 609 (7/2012+).
B6412162018-05-07. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. HVAC BLOWER NOT WORKING: HVAC blower is not working.
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.
51 23 152016-02-02. Service bulletin. STRUCTURE:BODY:DOOR; EQUIPMENT. BMW: DETACHED BOWDEN CABLE PREVENTS THE DRIVER'S DOOR TO OPEN FROM THE OUTSIDE BUT CAN OPEN FROM THE INSIDE *MA

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