2021 BMW M440I Technical Service Bulletins

124 technical service bulletins (TSBs) are on record for the 2021 BMW M440I. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 11032729May 6, 2026Engine. The EVAP systems purge (vent) valve limited warranty for defects in materials and / or workmanship has been extended to 15 years / 150,000 miles as determined from the original first in-service / delivery date.
• 10250374Feb 16, 2024Electrical system, Visibility (wipers, defrost, mirrors). An interference noise (groaning noise) can be heard from within the heating and air-conditioning unit in thecenter of the instrument panel. The groaning noise always occurs when either a ventilation flap, air stratification flap or the recirculated airflap moves to a different position. Due to the complex design of the heating and air-conditioning unit, the kinematics causing it (top or bottom,left or right) may…
• 10249027Jan 11, 2024Electrical system. The electrical system of BMW vehicles has been subject to an ongoing development process over the last few years. This has led to increased demands being placed on the battery. This document covers important information for the dealer on how to handle “discharged battery” complaints.
• 10249018Jan 8, 2024Steering. At low outside temperatures (below 40 degrees F) and slow driving speeds (i.e. when parking, maneuvering)with a large steering angle, the front end can be slightly axially misaligned. This can be felt (jerking)/ heard via an acoustic acknowledgement (clunk) as seen at the 11 second mark of the video. See attached video V36 01 21.
• 10249032Jan 5, 2024Electrical system, Equipment. The Central Information Display goes black intermittently due to resets of the Head Unit (HU-H3). FaultB7F8F9 – “HU-H: Reset” will be stored in the HU-H3.
• 10249023Jan 2, 2024Seats, Electrical system. Customer states one of the front seats is inoperative. The seat heater and power supply are inoperative. During the vehicle test, the seat module does not respond. The power supply fuse for the seat module isfound to have blown.
• 10244237Oct 13, 2023Brakes. Functional noises (squealing/honking) when braking shortly before the vehicle comes to a stop. CAUSE Material-
• 10242688Aug 1, 2023Transmission and drivetrain, Engine cooling. ?A software error may cause an unwanted pressure pulsation in the transmission during a "Remote Engine Start."
• 10239615Jun 1, 2023Equipment. BMW AG has issued a Delivery Stop (effective February 9, 2023) on certain Model Year 2022 - 2023 BMW vehicles that were produced between June 29, 2022 and February 16, 2023.
• 10239611Jun 1, 2023Electrical system, Exterior lighting. Headlight check control (CC) message 128 "High beam headlight failure" is displayed. The following fault codes are stored during a vehicle test: 80419A - Left high-beam headlight: Short circuit and/or 8041A5 - light outputs: Number of permitted short circuit cycles exceeded
• 10239610Jun 1, 2023Exterior lighting. Condensation is present on the inner surfaces in one or both taillights (circled).
• 10239603Jun 1, 2023Transmission and drivetrain, Electrical system. BMW AG has issued an Emissions Recall (effective March 17, 2023) on a certain Model Year 2021 - 2023 BMW vehicles that were produced between June 16, 2020, and December 13, 2022. Due to a software failure, there is the possibility that the transmission does not go into "sleep mode" if the car is turned off.
• 10239602Jun 1, 2023Fuel system. A vehicle arrives at your center to be diagnosed for a micro-leak in the fuel evaporative (EVAP) system (NVLD natural vacuum leak detection). For this condition, the following fault is stored in the DME: 190302 - fuel tank ventilation and scavenging air system, micro-leak: leakage more than 0.5 mm.
• 10239601Jun 1, 2023Equipment. BMW AG has issued a Delivery Stop effective June 6, 2023 on certain Model Year 2023 - 2024 BMW vehicles that were produced between October 26, 2022 and May 8, 2023.
• 10239599Jun 1, 2023Electrical system. With the introduction of the BMW Remote Software Upgrade, all Service Pack 18 vehicles and partial Service Pack 15 vehicles may receive new functionality or modifications in their features.
• 10238086May 1, 2023Exterior lighting. Upon parking and exiting the vehicle, the parking lights remain active.
• 10238083May 1, 2023Electrical system. Due to a software error, the vehicle sporadically does not achieve sleep mode. As a result, the 12-volt battery becomes discharged and may cause a no-start condition.
• 10238081May 1, 2023Body and structure. Upon opening and closing the tailgate, a creaking/groaning sound can be heard from tailgate actuator.
• 10238078May 1, 2023Visibility (wipers, defrost, mirrors). Sudden failure of the power window(s).
• 10236236Apr 1, 2023Electrical system. Issues with the various functions of the camera-based driver assistance systems (KAFAS system) can possibly lead to following customer complaints: KAFAS camera system deactivates itself, due to system restrictions that are not clear to the customer KAFAS camera system cannot be activated due to system restrictions that are not clear to the customer Road signs are sporadically not detected.
• 10235206Mar 1, 2023Equipment, Lane departure. Customer is shown an incorrect GPS location in the vehicle (i.e., Nav Map, coordinates).
• 10235203Mar 1, 2023Equipment. Customer states there is no audio playback (telephony, navigation, radio) and system sounds (PDC, turn indicators, acoustic signals) may also have failed.
• 10235196Mar 1, 2023Electrical system. The gear selector switch (GWS) consists of the control electronics circuit and the selector lever. The sensors for recording the gearshift lever position and for inhibiting inadvertent gearshifts are integrated in the control electronics.
• 10235191Mar 1, 2023Electrical system. Due to a software error, the vehicle sporadically does not achieve sleep mode. As a result, the 12-volt battery becomes discharged and may cause a no-start condition.
• 10235180Mar 1, 2023Steering. When turning the steering wheel while stationary or when driving on uneven roads; cracking, creaking, or knocking noises may be heard.
• 10235178Mar 1, 2023Transmission and drivetrain. BMW AG has issued a Delivery Stop: Due to a software failure, there is the possibility that the transmission does not go into "sleep mode" if the car is turned off.
• 10233169Feb 1, 2023Equipment, Electrical system. BMW AG has issued a Delivery Stop (effective October 25, 2021) on certain Model Year 2022 BMW vehicles that were produced after October 25, 2021. Due to supply chain limitations, certain vehicles were produced without a CID with touch function and and without Reversing Assistant.
• 10233166Feb 1, 2023Equipment, Electrical system. Due to component-related supply issues, the central information displays (CID) in some of the Model Year 2022 vehicles listed above were produced without the integrated touch screen function.
• 10233162Feb 1, 2023Equipment, Electrical system. Customer is unable to power up or charge accessories through a plug adapter inserted in the front 12-volt power socket plug. Alternatively, it will only operate when constant downward hand pressure is maintained.
• 10230740Dec 1, 2022Equipment. Customer is shown an incorrect GPS location in the vehicle (i.e., Nav Map, coordinates).
• 10230734Dec 1, 2022Equipment. Due to a software error, Remote Software Upgrade (RSU) and Remote Support are currently not possible. Additionally, the Integrated Owner's Handbook cannot be displayed.
• 10230729Dec 1, 2022Latches, locks and linkages. Hood lever is pulled twice but the hood only achieves the pre-latch position on both sides.
• 10230725Dec 1, 2022Body and structure. A cracking, metallic noise from under the center of the vehicle.
• 10228434Nov 1, 2022Electrical system. Customer is unable to power up or charge accessories through a plug adapter inserted in the front 12-volt power socket plug. Alternatively, it will only operate when constant downward hand pressure is maintained.
• 10228432Nov 1, 2022Visibility (wipers, defrost, mirrors). It is possible that the guide stem (aka rotational axis) on the wind deflector can break upon removal and/or during installation.
• 10227929Nov 1, 2022Lane departure, Air bags, Electrical system. A check control message for the restraint system appears. In the instrument cluster, the red air bag warning light lights up permanently. One of the following fault codes is stored in the ACSM (air bag control unit): 930949 - Knee airbag, driver: short circuit to negative terminal 93094F - Knee airbag, front passenger: short circuit to negative terminal 93094C - Knee airbag driver's side: Resistance too great…
• 10227575Oct 1, 2022Equipment. The customer complains that the radio stations change by themselves.
• 10227558Oct 1, 2022Visibility (wipers, defrost, mirrors). After opening the vehicle with the radio remote control and changing the profile, the exterior mirror settings are lost.
• 10227557Oct 1, 2022Electrical system. Customer is unable to power up or charge accessories through a plug adapter inserted in the front 12-volt power socket plug. Alternatively, it will only operate when constant downward hand pressure is maintained.
• 10225121Sep 1, 2022Visibility (wipers, defrost, mirrors). An interference noise (groaning noise) can be heard from within the heating and air-conditioning unit in the center of the instrument panel.
• 10225115Sep 1, 2022Electrical system. Customer is unable to power up or charge accessories through a plug adapter inserted in the front 12-volt power socket plug. Alternatively, it will only operate when constant downward hand pressure is maintained.
• 10224210Aug 1, 2022Equipment. The sound output intermittently drops out entirely. This can be reproduced with all audio sources as well as telephone and voice output.
• 10218367Jun 1, 2022Tires. Starting mid-May 2022, the QR code on the tite sidewalls of Pirelli tires has been omitted due to patent reasons.
• 10215753May 1, 2022Tires, Equipment, Exterior lighting. The customer finds an indication in themyBMWapp that the tires need service due to wear. Even afterreplacing the tires, the tire service indicator is still present in the myBMW app.
• 10215750May 1, 2022Electrical system, Engine cooling. BMW offers a new special ISTA Installation made available for Roadside Assistance / Mobile Service technicians. The new ISTA Version is also able to be used in case of a Remote Software Upgrade (RSU) programming failure to get the customer car reprogrammed on site. In case of a Remote Software Upgrade failure, the engine start is prevented for safety reasons until the vehicle is programmed correctly. Most of the…
• 10214990May 1, 2022Electrical system. The Headunit High (HU-H), also called NBT, began replacing the Car Information Computer (CIC) on certain MY2013 vehicles with option 609 (as of 7/2012 production). This uses map North America NEXT. The Headunit High 2 (HU-H2), also called NBT-EVO, superseded the NBT HU and was introduced in 3/2014. This uses map North America EVO. The Headunit High 4 (HU-H4, also called MGU21) superseded the MGU starting with…
• 10214989May 1, 2022Engine cooling. Mist formation on the windshield inside surface may occur at departure or after MSA (automaticstart/stop). Acoustic abnormality in the area of the recirculated air flap (recirculation flap closing and opening severaltimes). The above may occur individually or in combination.
• 10214988May 1, 2022Exterior lighting. Excessive condensation has collected in one or both headlights.
• 10214984May 1, 2022Equipment. Check Control Message (CCM) displays "Vehicle key missing" after engine start.
• 10212795Apr 1, 2022Electrical system. Check Control message (CCM) displays "Vehicle key missing" after engine start.

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