2018 BMW M4 Technical Service Bulletins

135 technical service bulletins (TSBs) are on record for the 2018 BMW M4. 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.

• 11037501Sep 3, 2026Body and structure. The coverage period for qualifying lower rear side panel water drain repair that addresses the issues described in the Service Information Bulletin has been extended to 15 years / 150,000 miles, as determined from the original first in-service / delivery date.
• 11024227Sep 9, 2025Brakes. Protection Plate Return
• 11013041Jan 14, 2025Brakes. A turbine-like noise can be heard from the rear axle while deceleration during the first 300 miles of operation when braking from low speed.
• 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.
• 10249016Jan 9, 2024Suspension. With the vehicle is on a lift and the front struts are in the extended position, there may be a cracking and orclicking type noise when turning the steering wheel left/right. See attached video V31 01 24. The sound can reoccur when the vehicle is lowered, and the wheels are once again under load. The noise might also be heard for a short time while driving.
• 10244237Oct 13, 2023Brakes. Functional noises (squealing/honking) when braking shortly before the vehicle comes to a stop. CAUSE Material-
• 10238090May 1, 2023Electrical system. After programming the head unit (HU-H2), activating the FSC (German word Freischaltcode) Enabling Codes repeatedly fails.
• 10238081May 1, 2023Body and structure. Upon opening and closing the tailgate, a creaking/groaning sound can be heard from tailgate actuator.
• 10235205Mar 1, 2023Equipment, Electrical system. The 3G network in the US has been shut down. This means that only the 4G network will be available. In the 4G network, voice calls will be transferred via the Voice over LTE (VoLTE) function. For this purpose, the SIM card must perform an IMS registration in the mobile communication network. Due to a production error, the telematics control units were delivered without an IMS configuration.
• 10235202Mar 1, 2023Exterior lighting, Electrical system. Exterior rear lights do not work.
• 10233158Feb 1, 2023Brakes. A turbine-like noise can be heard from the rear axle while deceleration during the first 300 miles of operation when braking from low speed.
• 10227568Oct 1, 2022Air bags, Other or unknown, Seats, Back-over prevention (rear camera), Lane…. According to the customer, the airbag warning light was on, but it may not be illuminated when the vehicle arrives in the workshop. 1. ACSM fault code "930A60 - Seat occupancy detection, front passenger; malfunction" is stored. The fault may or may not currently be present. Or 2. ACSM fault code "930A1C - Front passenger seat occupancy detection transmitting fault(moisture)" is stored. The fault may or may not…
• 10225126Sep 1, 2022Equipment. Vehicle cannot be opened or closed using comfort access, engine start is not possible, and the vehicle may not start when placing the key against the steering column.
• 10218384Jun 1, 2022Equipment, Electrical system. Vehicle cannot be opened or closed using comfort access, engine start is not possible, and the vehicle may not start when placing the key against the steering column. Note: Opening, closing and starting via the BMW Digital Key or the Digital Key Card are not affected.
• 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…
• 10214259Feb 1, 2022Steering. Cracking noises heard from the area of the front axle when rotating the steering while stationary or at low speed.
• 10214256Feb 1, 2022Engine cooling, Fuel system. The quick disconnect coupling on the cylinder head coolant vent line could break at the cylinder head. This would lead to loss of coolant from the engine.
• 10205068Nov 1, 2021Equipment. Customer may complain of reduced air flow when the air conditioning system is operated for an extended time, usually longer than 30 minutes.
• 10204660Sep 1, 2021Equipment. 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.
• 10203340Sep 1, 2021Steering. Groaning, scraping, or squeaking noise coming from the steering wheel area in the interior of the vehicle,when turning the steering wheel.
• 10203338Sep 1, 2021Latches, locks and linkages. The trunk lid/hatch does not open fully when unlatched with remote or hands-free operation.
• 10203336Sep 1, 2021Brakes. Inform the customer during a consultation that the M Compound (standard equipment) and M Carbon Ceramic (optional) brakes are high-performance brake systems which are designed for sporty, dynamic driving styles. As a side effect of the highest possible brake performance, customers are likely to hear noises due to the extremely resilient materials. In the same conversation, inform the customer that his/her braking…
• 10203335Sep 1, 2021Transmission and drivetrain. A turbine-like noise can be heard from the rear axle while deceleration during the first 300 miles of operationwhen braking from low speed.
• 10201141Jul 1, 2021Brakes. Inform the customer during a consultation that the M Compound (standard equipment) and M Carbon Ceramic (optional) brakes are high-performance brake systems which are designed for sporty, dynamic driving styles. As a side effect of the highest possible brake performance, customers are likely to hear noises due to the extremely resilient materials In the same conversation, inform the customer that his/her braking…
• 10200249Jun 1, 2021Electrical system, Equipment, Other or unknown. The discontinuation of 3G cellular communication for Combox, TCB 3G and ATM 3G (Telematics ControlModule) can no longer be supported by the cellular network provider starting February 2022. The decision to phase out 3G network technology was made at the discretion of the respective cellular carriers and lies beyond the control of BMW. Due to the phase-out, BMW Assist and ConnectedDrive services will no longer be…
• 10200233Jun 1, 2021Body and structure, Seats. Water sloshing noises coming from the rear passenger compartment (left or right) while driving Water ingress in the luggage compartment, or in the rear passenger compartment- rear seat bench rear passenger compartment foot well rear passenger compartment side panel Failure of various control units installed in the area of the water removal channel
• 10200489May 1, 2021Equipment. TELEMATICS UNIT RETROFIT TO 4G CELLULAR TECHNOLOGY: The discontinuation of 3G cellular communication for Combox, TCB 3G and ATM 3G (Telematics ControlModule) can no longer be supported by the cellular network provider starting February 2022.
• 10200487May 1, 2021Equipment. TELEMATICS UNIT DEACTIVATION DUE TO 3G CELLULAR TECHNOLOGY DISCONTINUATION: The discontinuation of 3G cellular communication for Combox, TCB 3G and ATM 3G (Telematics ControlModule) can no longer be supported by the cellular network provider starting February 2022.
• 10194298Apr 1, 2021Equipment, Brakes. Diagnosis of Compound Brake System Complaints in M Vehicles: 1. Visible cracks are caused by high thermal stresses during rapid heating and cooling of the brake discs. Braking from high speed with cold brake components (less than 212 degrees F) increases the likelihood of cracks to form.
• 10194296Apr 1, 2021Steering, Brakes. Diagnosis of Compound Brake System Complaints in M Vehicles: 1. Visible cracks are caused by high thermal stresses during rapid heating and cooling of the brake discs. Braking from high speed with cold brake components (less than 212 degrees F) increases the likelihood of cracks to form.
• 10186889Dec 1, 2020Equipment. ?A/C COOLING INTERMITTENT REDUCTION OF AIR FLOW: Customer may complain of reduced air flow when the air conditioning system is operated for an extended time, usually longer than 30 minutes. The evaporator starts to freeze up.
• 10186227Dec 1, 2020Electrical system, Equipment. ?A/C COOLING INTERMITTENT REDUCTION OF AIR FLOW: Customer may complain of reduced air flow when the air conditioning system is operated for an extended time, usually longer than 30 minutes. The evaporator starts to freeze up.
• 10184584Nov 1, 2020Equipment, Visibility (wipers, defrost, mirrors). Low Washer Fluid Warning Light is illuminated when the Washer Fluid Tank is Full: Low Washer Fluid Warning Light is illuminated when the Washer Fluid Tank is Full.There are no faults stored in the system for the washer fluid level switch.
• 10184578Nov 1, 2020Equipment, Body and structure. PAINT ON THE B-PILLAR IS SCRATCHED/DAMAGED: The paint finish of the door jamb (above the door striker) is scratched due to the inner door cavity window seal.
• 10184575Nov 1, 2020Wheels, Equipment, Suspension. TICKING NOISE FROM THE FRONT AXLE WHEN CORNERING: The customer may complain of a metallic ticking noise from the front axle, when cornering, maneuvering, parking or pulling away from a parking space.
• 10179812Aug 1, 2020Suspension. CRACKING NOISES FROM THE FRONTAXLE AREA WHILE TURNING THE WHEELS, WHEN STATION: Cracking noises are heard from the front axle area while maneuvering at low speeds (e.g., parking lot maneuvers) or when turning the steering wheel while stationary.
• 10179009Jul 1, 2020Electrical system. NAVIGATION SYSTEM - REPORTING MISSING OR INCORRECT ROADMAP DATA: Do not replace parts and do not program the vehicle. Roads can change by up to 15% every year. To ensure the best navigation experience, we do everything in our power to create the best maps. Your reports help us to detect changes in your area and keep future versions of our maps as accurate as possible. Therefore, a road map error or missing data…
• 10176377May 1, 2020Electrical system. CCM DISPLAYED "INCREASED BATTERY DRAIN" CAUSED BY CONTROLLER: A yellow CCM (Check Control Message) ID 415 is displayed- "Increased battery drain! // Battery. Electrostatic discharge at standstill / start engine. Energy management" The results of the Energy Diagnosis test plan identifies the Controller as the root cause of the CCM. The Controller delays the vehicle going to sleep by up to 6 minutes. In some cases…
• 10174320Apr 1, 2020Electrical system, Equipment. CONNECTEDDRIVE/BMW ASSIST SYSTEM DIAGNOSIS INFORMATION: This Service Information Bulletin (Revision 7) replaces SI B84 02 14 dated May 2019. 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. Will assist you both…
• 10174032Apr 1, 2020Equipment. AUTOMATED ACTIVATION OF NAVIGATION SYSTEM DURING PDI/QC1: This Service Information Bulletin (Revision 2) replaces SI B65 22 14 dated October 2015. The INITIAL NAV enabling code no longer needs to be pre-ordered through the Parts department!
• 10174019Apr 1, 2020Engine. CCM DISPLAYED "INCREASED BATTERY DRAIN" CAUSED BY CONTROLLER: This Service Information Bulletin (Revision 1) replaces SI B61 05 20 dated February 2020. Electrostatic discharge at standstill / start engine. Energy management" The results of the Energy Diagnosis test plan identifies the Controller as the root cause of the CCM. The Controller delays the vehicle going to sleep by up to 6 minutes. In some cases this…
• 10174015Apr 1, 2020Air bags, Brakes. TAILGATE UNINTENTIONALLY OPENS: This Service Information Bulletin (Revision 4) replaces SI B51 30 16 dated March 2018. Trunk/tailgate may open when vehicle is locked Trunk/tailgate may open while the vehicle is in motion usually after stopping such as a traffic light etc. Vehicle key trunk/tailgate button may be accidentally pressed thus opening the tailgate.
• 10172497Feb 1, 2020Electrical system. CCM DISPLAYED "INCREASED BATTERY DRAIN" CAUSED BY CONTROLLER. A yellow CCM (Check Control Message) ID 415 is displayed- "Increased battery drain! // Battery. Electrostatic discharge at standstill / start engine. Energy management" The results of the Energy Diagnosis test plan identifies the Controller as the root cause of the CCM. The Controller delays the vehicle going to sleep by up to 6 minutes. In some cases…
• 10171504Jan 1, 2020Electrical system, Equipment. SOS MALFUNCTION DISPLAYED This Service Information Bulletin (Revision 1) replaces SI B84 04 16 dated September 2016. One or all the following may be experienced in the vehicle: An SOS malfunction is seen in the Kombi (aka instrument cluster) When pressing the E-Call/SOS button in the overhead console nothing happens Fault code B7F33C (internal ECU error) is stored in the Telematics control unit (ATM/TCB2) There are…
• 10170577Dec 1, 2019Brakes. HELPFUL INFORMATION FOR CUSTOMER DISCUSSIONS REGARDING MOTORSPORT VEHICLE BRAKES: Note for customer deleted: If the noise does not disappear despite the attempts to regenerate the brake a repair is required.
• 10169475Nov 1, 2019Equipment. NBT EVO CHANGES BETWEEN SELECTIONS BY ITSELF WITHOUT DRIVER INPUT- GHOST BEHAVIOR: The Central Information Display (CID) changes between selections ("ghost behavior") and sounds an audio tone without the CID Screen being touched. The audio tone is the same one that sounds when you touch the CID with your finger to make a 'touch' selection.
• 10169473Nov 1, 2019Equipment. AUDIO PLAYBACK NOT POSSIBLE: No audio heard inside the vehicle. Failure of the audio amplifier due to water ingress in the luggage compartment.
• 10169468Nov 1, 2019Visibility (wipers, defrost, mirrors), Equipment. Low Washer Fluid Warning Light is illuminated when the Washer Fluid Tank is Full : The low washer fluid warning is illuminated even though the washer fluid reservoir is full. There are no faults stored in the system for the washer fluid level switch. A non-approved washer fluid was used that is silicone-based. Silicone-based fluids are not compatible with the contactless capacitive level sensor. Fluids that contain…
• 10169460Nov 1, 2019Equipment, Brakes. HELPFUL INFORMATION FOR CUSTOMER DISCUSSIONS REGARDING MOTORSPORT VEHICLE BRAKES: INFORMATION Inform the customer during a consultation that the M Compound (standard equipment) and M Carbon Ceramic (optional) brakes are high-performance brake systems which are designed for sporty dynamic driving styles. As a side effect of the highest possible brake performance customers are likely to hear noises due to the…
• 10166390Sep 1, 2019Electrical system. 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.

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