Service bulletins for the 2017 BMW 740i
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.
355 on file from NHTSA, as of 2026-10-19.
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By component
Only bulletins with component: Electrical system are shown. Show all
| B611919 | 2019-11-18. Service bulletin. VISIBILITY; ELECTRICAL SYSTEM. WINDOWS WON'T OPERATE WITH DOORS OPEN, AND WHILE USING THE DIGITAL KEY/CARD. The customer complains that none of the windows will operate while any door is open. This only happens when the BMW Digital Key (Smart Phone) or Key Card are placed on the wireless charging tray in the center console. |
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| B611319 | 2019-11-18. Service bulletin. ELECTRICAL SYSTEM. SERVICE ACTION: CHECKING THE DUAL STORAGE SYSTEM AND REPLACE IF NECESSARY. In the event of an accident, the two-battery Dual Storage System (DSS) is disconnected from the electrical system via an internal relay. |
| B651719 | 2019-10-21. Service bulletin. ELECTRICAL SYSTEM. HU-H3 MGU HEAD UNIT DOES NOT START CID REMAINS BLACK: If the ignition is briefly switched off and without the vehicle entering sleep mode the MGU (Media Graphics Unit) head unit does not start The CID display remains black. |
| B651419 | 2019-10-21. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. HEAD UNIT NBT EVO (HU-H2) PROGRAMMING ABORT: The CID screen may light up blue. When this occurs A battery reset is not successful in restoring head unit operation Software error in the Bootloader file (BTLD) of the head unit. |
| B611319 | 2019-10-21. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. SERVICE ACTION: CHECKING THE DUAL STORAGE SYSTEM AND REPLACE IF NECESSARY: In the event of an accident the two-battery Dual Storage System (DSS) is disconnected from the electrical system via an internal relay. In some cases the relay is stuck closed and a fault is set. |
| B611219 | 2019-10-21. Service bulletin. ELECTRICAL SYSTEM. DELIVERY STOP: REPLACE THE GEAR SELECTOR SWITCH: The functional lighting and/or locator lighting on the Shifter selector lever (GWS) may flicker over time or intermittently not illuminate. The GEAR SELECTOR SWITCH may not have been produced to specifications. |
| B841219 | 2019-10-21. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY. BLUETOOTH: VARIOUS CONNECTIVITY CONCERNS. Various Bluetooth connectivity concerns may sporadically occur. Some known concerns are as follows: Device(s) sporadically does not reconnect to the vehicle Disconnect during a phone call New device cannot be paired to the vehicle Software in the Head unit (HU-H3). |
| B662319 | 2019-10-21. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. DRIVERS ASSISTANCE SYSTEM: CHECK CONTROL MESSAGE IS DISPLAYED. The Driver Assistance System limited warning message is displayed. |
| B840819 | 2019-09-23. Service bulletin. ELECTRICAL SYSTEM. APPLE CARPLAY: WI-FI DISCONNECTS AND DOES NOT RECONNECT This Service Information bulletin replaces SI B84 08 19 dated July 2019. The Wi-Fi connection is interrupted (disconnects) and does not reconnect by itself. As a result functionality such as Apple CarPlay does not work until after a vehicle sleep cycle (at least 16 minutes). |
| B662819 | 2019-09-23. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. TOUCHLESS VEHICLE UNLOCKING AND LOCKING CAN'T BE SWITCHED ON. Touchless vehicle unlocking and locking cannot be switched on from the iDrive; or this feature is not present in the CID. Software error in the Body Domain Controller (BDC) control unit. |
| B840819 | 2019-09-23. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL. APPLE CARPLAY: WI-FI DISCONNECTS AND DOES NOT RECONNECT This Service Information bulletin replaces SI B84 08 19 dated July 2019. The Wi-Fi connection is interrupted (disconnects) and does not reconnect by itself. As a result functionality such as Apple CarPlay does not work until after a vehicle sleep cycle (at least 16 minutes). |
| B662819 | 2019-09-23. Service bulletin. ELECTRICAL SYSTEM. TOUCHLESS VEHICLE UNLOCKING AND LOCKING CAN'T BE SWITCHED ON. Touchless vehicle unlocking and locking cannot be switched on from the iDrive; or this feature is not present in the CID. Software error in the Body Domain Controller (BDC) control unit. |
| B123018 | 2019-08-19. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. ERRONEOUS FAULT 1F2505 IS STORED IN THE DME This Service Information bulletin replaces SI B12 30 18 dated November 2018. This fault does not cause any drivability complaints or engine warning lamps. |
| B840819 | 2019-07-22. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. APPLE CARPLAY: WI-FI DISCONNECTS AND DOES NOT RECONNECT This Service Information bulletin replaces SI B84 08 19 dated May 2019. |
| B661919 | 2019-07-22. Service bulletin. ELECTRICAL SYSTEM. COMFORT ACCESS AND COMFORT GO NOT POSSIBLE. Vehicle cannot be opened/locked or started via Comfort Access. Electrostatic charge puts the remote control key into a deep sleep. |
| B651419 | 2019-07-22. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. HEAD UNIT NBT EVO (HU-H2) PROGRAMMING ABORT. During programming several aborts can occur in the head unit NBT EVO (HU-H2). |
| B610919 | 2019-07-22. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. SERVICE ACTION: CHECKING THE SIGNAL WIRE AT POWER DISTRIBUTION BOX. The lithium-ion battery in the dual storage system is connected to the terminal 30C to enable issuing a switch-off command in the event of a crash. |
| B320619 | 2019-07-22. Service bulletin. ELECTRICAL SYSTEM. VARIOUS CHECK CONTROL MESSAGES FOR DRIVER ASSISTANCE SYSTEMS. |
| B122119 | 2019-07-22. Service bulletin. ELECTRICAL SYSTEM:IGNITION:SWITCH. HIGH ENGINE SPEED IMMEDIATELY AFTER STARTING. In rare circumstances after the engine is started with the Start-Stop button the engine speed may immediately increase to a high constant RPM (approximately 3000 rpm). |
| B840919 | 2019-06-24. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM:SOFTWARE. TOUCH COMMAND DOES NOT AUTOMATICALLY RECONNECT AFTER VEHICLE SLEEP CYCLE. The Touch Command tablet (at the rear seat center console) does not automatically reconnect to the vehicle after a sleep cycle. |
| B610619 | 2019-06-24. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT. HIGH VOLTAGE DIAGNOSTIC SPECIALIST TRAINING AND EQUIPMENT STRATEGY. INFORMATION The ST1821 High Voltage Diagnostic Specialist Certification (HVS) is the next step in the E-mobility service strategy for BMW technicians. |
| B340819 | 2019-06-24. Service bulletin. ENGINE; ELECTRICAL SYSTEM:SOFTWARE; FORWARD COLLISION AVOIDANCE. VARIOUS CHECK CONTROL MESSAGES FOR DRIVER ASSISTANCE SYSTEMS. The following messages are displayed in the Check Control (CC) display: Continued driving possible. Driving stabilization. Driving stabilization restricted driving stabilization. Drive with caution to the nearest authorized BMW Service workshop and/or Collision warning/you can continue driving. Collision warning fully or partially failed. No warning is given if the distance from the vehicle in front is too short. |
| B122019 | 2019-06-24. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:SOFTWARE. DELIVERY STOP: PROGRAM CONTROL UNITS (DME). A Delivery Stop has been issued (effective May 16 2019) on certain Model Year 2016-2020 BMW vehicles that have been produced between June 19 2015 and April 17 2019. A software error within the Digital Motor Electronics (DME) may cause a miscalculation of an onboard diagnostic (OBD) function. All vehicles will need a software update (no parts required). |
| B121619 | 2019-06-24. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:SOFTWARE. ERRONEOUS ELECTRIC FAN FUNCTION FAULT STORED IN THE DME. The following faults may be erroneously stored in the Digital Motor Electronics (DME): And: There is no customer-facing vehicle symptom(s) or related check control message displayed. A software error may cause these faults to be erroneously stored in the Digital Motor Electronics (DME). |
| B110717 | 2019-06-24. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. FAULT 118002 - MIXTURE TOO RICH SETS DURING WINTER WITH COLD AMBIENT TEMPERATURES. The Service Engine Soon (MIL) light is on with the following fault stored in the Digital Motor Electronics (DME). In the situation being described the fault is primarily stored during the cold winter months along with the use of winter fuel. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.