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Service bulletins for the 2016 BMW 428i

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.

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

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

Bulletins, newest first
B8403152018-11-05. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. "HU-B: Bluetooth Connection Fails Sporadically. The Bluetooth system works intermittently. One or more of the following scenarios may occur: Bluetooth pairing is not possible - display shows ""Please wait"" Unable to select the check box to activate Bluetooth Device does not reconnect to the vehicle after a key cycle Audio interference noise is heard listening to iPod etc. When trying to access the user manual, the display shows ""Please wait"" Incorrect software installed in the HU-B (Headunit Basic)."
B6513152018-11-05. Service bulletin. EQUIPMENT:ELECTRICAL:ANTI-THEFT DEVICES; EQUIPMENT. DWA - False Alarm. The alarm system sporadically activates by itself or the vehicle horn will be activated after the siren comes on. CAUSE Application error in DWA (Alarm System).
B6407152018-11-05. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. IHKA - Outlet Temperature is Different on Both Sides. The IHKA settings on the left- and right-hand side are identical. The outlet temperature for both sides is different. Software application error in IHKA.
B6406152018-11-05. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. "IHKA - Blower Runs in Emergency Mode. After the ignition is turned off and the vehicle is locked, the heating and air conditioning blower motor runs continuously. The next time the vehicle is started there may be the CCM (Check control message) displayed for ""Increased battery discharge"". CAUSE The blower output stage receives an invalid LIN bus signal during operation and switches to emergency mode. The blower will continue to run with the specified emergency mode after the ignition is turned off and the vehicle is locked."
B6405152018-11-05. Service bulletin. EQUIPMENT; EQUIPMENT:APPLIANCE:AIR CONDITIONER. IHKA - Recirculation Function Changes from Manual to Automatic. While driving, the air recirculation button on IHKA changes by itself from manual to automatic or automatic to manual mode. CAUSE The IHKA operating software is too sensitive.
B6510152018-11-05. Service bulletin. EQUIPMENT; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). NAV Road Map Installation Using USB Stick. INFORMATION The Navigation road map can be installed onto the head unit in the vehicle using a USB stick connected to the USB connector in the center console in the vehicle. ? 32GB USB stick is necessary ? Desired NAV road map version can be retrieved from the HDD-Update console PROCEDURE 1. Copy the desired NAV road map from the HDD-Update console onto a 32GB USB stick. Refer to Attachment. 3. When prompted, enter the 20-digit enabling code. 4. Start the NAV road map installation and follow the on-screen instructions. WARRANTY INFORMATION Not applicable. ATTACHMENTS View PDF attachment B651015_Attachment.
B6104152018-11-05. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; ELECTRICAL SYSTEM:HORN; VISIBILITY:WINDSHIELD WIPER/WASHER. Horn Blows when Unlocking Vehicle. The customer states that the vehicle horn sounds briefly when unlocking the vehicle or opening the door. In some cases, the washers spray briefly on the windshield. Front Electronics Module (FEM) software error
B5116152018-11-05. Service bulletin. EQUIPMENT:OTHER:LABELS. "Affected vehicles in dealer inventory must not be retailed or delivered until the label is removed. Vehicles at ports of entry will be remedied prior to dealer delivery. On affected vehicles, there is an incorrect label regarding the appropriate engine oil. Affected vehicles can be identified with a ""Vehicle Comment"" in the DCS Warranty Vehicle Inquiry or ISPA Light. Remove the engine oil label (located in the front or rear of the hood)."
B6509152018-11-05. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT:ELECTRICAL; EQUIPMENT. HU-H: Headunit Resets Intermittently or Permanently. The HU-H (Headunit-High) resets intermittently or permanently. ? The display is inoperative and there is no audio output ? Automatic system start-up after a couple of seconds CAUSE Software error in the HU-H
B8406162018-11-05. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT:ELECTRICAL. BMW ONLINE NON-FUNCTIONAL: CHECK ICC-ID IN ACCOUNT. BMW Online/BMW ConnectedDrive not functional. Vehicle and service cockpit have different ICC-ID's.
B8405162018-11-05. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT ADAPTIVE/MOBILITY. BMW ONLINE NON-FUNCTIONAL: CHECK ICC-ID IN ACCOUNT. The ConnectedDrive Services are non-functional after a hardware exchange of the telematics control unit. This is not indicated by CC-message. ConnectedDrive Services not synchronized by Telematics Control Unit.
B6412162018-11-05. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. "HVAC BLOWER NOT WORKING. HVAC blower is not working. Condensation occurs even though blower is working. CC message ""Increased battery discharge"" - standby current violation may be displayed. Climate control unit (IHKA) software"
B5134162018-11-05. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; SEATS:MID/REAR ASSEMBLY. RAISING OF WIND DEFLECTOR AT A HIGH SPEED. Unintentional lifting of the wind deflector occurs at a high speed and it is perceived that it may possibly detach. CAUSE Rear seat backrest not locked. This is not visually detectable at first glance. Make the customer aware of the proper rear seat engagement.
B5133162018-11-05. Service bulletin. STRUCTURE:BODY; SEATS; EQUIPMENT ADAPTIVE/MOBILITY. SLOSHING NOISES/WATER IN REAR PASSENGER COMPARTMENT. Water sloshing noises coming from the rear passenger compartment (left or right) while driving. Water ingress in the rear passenger compartment (rear seat bench / rear passenger compartment foot well / rear passenger compartment side panel) or luggage compartment. Failure of various control units installed in the area of the water removal channel. Poor water drainage due to dirt at the seal plug in the area of the fixed side glass/trim panel. Faulty clip on the water collecting channel. Dirt blocking the water drain to the side sill.
B5116152018-11-05. Service bulletin. EQUIPMENT:OTHER:LABELS; ENGINE. "Delivery Stop: Remove Engine Oil Label. Affected vehicles in dealer inventory must not be retailed or delivered until the label is removed. Vehicles at ports of entry will be remedied prior to dealer delivery. On affected vehicles, there is an incorrect label regarding the appropriate engine oil. Affected vehicles can be identified with a ""Vehicle Comment"" in the DCS Warranty Vehicle Inquiry or ISPA Light. https://www.bmwtis.net/tiscode/cgi-bin/bulletin.aspx?sie_path=/tsb/bulletins/htm_store/248...9/3/2016 Page 2 of 2"
B7103162018-11-05. Service bulletin. EQUIPMENT. SERVICE ACTION: B-PILLAR COMPLIANCE LABEL: CHASSIS NUMBER VERIFICATION. Vehicles may contain one or more incorrect labels. Incorrect labels attached during production.
B6513162018-11-05. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. "NBT-EVO Head Unit Cannot Be Swapped Between Vehicles for Testing This Service Information bulletin supersedes SI B65 13 16 dated July 2016.. If an NBT-EVO head unit is swapped into a different vehicle it will enter a locked mode once it recognizes a different VIN. This will set a fault in the Head Unit (NBT-EVO), Fault Code ""B7F87A: Burgler Actively Registered / Component Protection Active"" This will require REPLACEMENT of the head unit to restore operation. To prevent easy re-use of stolen Head units additional features are introduced with 11/15 ISTA/P software to bring NBT-EVO to a higher security level. In NBT-EVO the mechanism is called ""Trusted VIN"""
B6524162018-11-05. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). "NBT NAVIGATION DOES NOT ROUTE ON TOLL ROADS. NBT Navigation does not provide routes that include certain toll roads. CAUSE Roads that have toll lanes ""without a cash option"" where not utilized for routing in NBT map data versions: NEXT 2015-1 NEXT 2015-2 NEXT 2016-1 As an enhancement, the NEXT 2017-1 map release now provides information about toll lanes ""without cash option"". UPDATE Install new map data."
B6523162018-11-05. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. ?AUDIO VOLUME NOT RESTORED AFTER MSA STOP, ENTRY HEAD UNIT. Volume of audio system (when set to near maximum) is reduced when Auto Start-Stop (MSA) stop occurs and is not restored upon automatic engine restart. This is normal system behavior - serves to protect the head unit, battery drain and avoidance of incremental leaps in the loudness. The loudness is reduced to 2/3 of maximum and is not restored. Note: Air conditioning output is also reduced upon MSA stop and is not restored for similar reasons.
B8409162018-11-05. Service bulletin. EQUIPMENT. "SERVICE ACTION: SUPPLEMENTARY PAGE NEEDED IN OWNER'S MANUAL. Operator's manual of affected vehicles does not contain required information on wireless smartphone charging accessory. AFFECTED VEHICLE Vehicles which require this Service Action to be completed will show it as ""Open"" when checked either in the ""Service Menu"" of DCSnet (Dealer Communication System) or with the Key Reader."
B6412162018-11-05. Service bulletin. EQUIPMENT. "HVAC BLOWER NOT WORKING This Service Information bulletin supersedes SI B64 12 16 dated August 2016. HVAC blower is not working. Condensation occurs even though blower is working. CC message ""Increased battery discharge"" - standby current violation may be displayed. Climate control unit (IHKA) software"
B6509152018-11-05. Service bulletin. EQUIPMENT. SI B65 09 15 November 2016 Audio, Navigation, Monitors, Alarms,SRS Technical Service NBT Head Unit High (HU-H) Resets Intermittently or Permanently. The Head Unit-High (HU-H) resets intermittently or permanently. 1. The display is inoperative and there is no audio output 2. Automatic system start-up after a couple of seconds Fault Code E1C440 set No Fault Codes set Software error in the Head Unit High (HU-H)
B8402142018-11-05. Service bulletin. EQUIPMENT. ConnectedDrive/BMW Assist System Diagnosis Information This Service Information bulletin replaces SI B84 02 14 dated July 2014 What's New: Model - Removed models which no longer support BMW Assist functionality and added new models. Procedure - Add step requesting print out of ConnectedDrive Service Cockpit page Information - Add SI for ConnectedDrive Service Cockpit; updated the hyperlinks and email address for CD support team; deleted scenario for old CDMA unit which are no longer supported. ConnectedDrive/BMW Assist features are partially or completely inoperative. This Service Information bulletin is being published because vehicles are down for an extended period of time when researching system failures with ConnectedDrive or BMW Assist. This Service Information bulletin will assist you both in identifying the issue and providing technical support. CAUSE Not enough information is available for BMW NA engineers to assist the technician in diagnosing the root cause.
B6406132018-11-05. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. A/C Cooling: Intermittent Reduction of Air Flow What is new The date in repair procedure and warranty section has been changed for vehicles produced to September 30, 2013 and from October 1, 2013.. Customer may complain of reduced air flow when the air conditioning system is operated for an extended time, usually longer than 30 minutes. INFORMATION Possibility of reproducing this situation is improved by the following conditions: High outside ambient temperature High humidity Note: It is very difficult to duplicate this issue. The fault may be reproduced under the following conditions: Air-conditioning system switched on Driving Experience switch NOT set to Eco Pro Slower fan speeds Temperature setting below 68F (20C) Trip duration at least 30 minutes Outside temperature above 68F (20C) NOTE: After parking the vehicle or switching off the air-conditioning system for at least 20 minutes, the symptom disappears (ice melts off evaporator and puddles under the car from the A/C drains). Evaporator starts to freeze up due to the position of the evaporator temperature sensor.
B8403112018-11-05. Service bulletin. EQUIPMENT. "?Telematics Device Spares Replacement Part Activation via DCSnet for BMW Assist What's New: ? Model: All models added along with 6AC option code ? Situation: All information added ? Information: Deleted CDMA related information and added activation of Wi-Fi control unit ? Procedure: Added "Note" regarding ConnectedDrive support hotline information . A replacement telematics control unit must only be activated for vehicles with an active BMW Assist subscription. Note: 2G CDMA and 2G GSM telematics control units cannot be activated because they are no longer supported and the supporting network(s) have been decommissioned. INFORMATION The following changes have taken place: All Telematics control unit replacements must be activated by Part managers via the DCSnet application. New steps included in the procedure for activating Telematics control unit replacements for vehicles equipped with Wi-Fi Hotspot (6WD)."

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