Vehicle report

2021 BMW Z4

Compare every BMW Z4 yearNHTSA and EPA records

Service bulletins

86 bulletins

Technical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.

B010324

Warranty Program/Extension

The EVAP systems purge (vent) valve limited warranty for defects in materials or workmanship has been extended to 15 years / 150,000 miles as determined from the original in-service date.

B540225

Service Bulletin/Repair Instructions

While driving on an uneven road, a “clicking”sound is heard from the front bow/cowl panelarea of the convertible top.

B540324

Service Bulletin/Repair Instructions

The convertible top does not open or close.

B640422

Service Bulletin/Repair Instructions

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 not be able to be precisely located. Depending on the vehicle model, the number of servomotors (and the associated kinematics unit) varies.Various models use either 2 or 3 servomotors.

B510819

Service Bulletin/Repair Instructions

The basic conditions for initializing the power windows are not met.

B611305

Service Bulletin/Repair Instructions

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.

B360121

Service Bulletin/Repair Instructions

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.

B160123

Service Bulletin/Repair Instructions

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 0.5mm For: Model vehicles other that the ones listed above, or for EVAP faults related to a “large leak,” after confirming that the fuel filler cap is fitted properly, then, proceed to follow the corresponding test plan

B610524

Service Bulletin/Repair Instructions

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.

B511323

Service Bulletin/Repair Instructions

?The outer A-pillar trim panel (arrow) protrudes outward (circled) towards the cowl seal.

B090221

Service Bulletin/Repair Instructions

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.

B120323

Service Bulletin/Repair Instructions

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.

B630321

Service Bulletin/Repair Instructions

Condensation is present on the inner surfaces in one or both taillights (circled).

B630821

Service Bulletin/Repair Instructions

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

B840323

Service Bulletin/Repair Instructions

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.

SIB120123

Service Bulletin/Repair Instructions

In hot ambient conditions, if the engine was running for a prolonged time while the vehicle is stationary, a jolt may be experienced while lightly accelerating.

SIB660823

Service Bulletin/Repair Instructions

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.

B320123

Service Bulletin/Repair Instructions

When turning the steering wheel while stationary or when driving on uneven roads; cracking, creaking, or knocking noises may be heard.

B610923

Service Bulletin/Repair Instructions

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.

B651623

Service Bulletin/Repair Instructions

Customer states there is no audio playback (telephony, navigation, radio) and system sounds (PDC, turn indicators, acoustic signals) may also have failed.

B841422

Service Bulletin/Repair Instructions

Customer is shown an incorrect GPS location in the vehicle (i.e., Nav Map, coordinates).

B610223

Service Bulletin/Repair Instructions

Check control message (CCM) 183 Windscreen wiper malfunction is displayed.

B650422

Service Bulletin/Repair Instructions

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.

B652021

Service Bulletin/Repair Instructions

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.

B240222

Service Bulletin/Repair Instructions

A cracking, metallic noise from under the center of the vehicle.

B611222

Service Bulletin/Repair Instructions

After opening the vehicle with the radio remote control and changing the profile, the exterior mirror settings are lost.

B651922

Service Bulletin/Repair Instructions

The customer complains that the radio stations change by themselves.

B662419

Service Bulletin/Repair Instructions

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.

B662719

Service Bulletin/Repair Instructions

The Lane Change Warning (LCW) yellow triangle symbol on either one, or both the exterior side view mirrors does not illuminate to alert the driver when it should.

SIB650922

Service Bulletin/Repair Instructions

The sound output intermittently drops out entirely. This can be reproduced with all audio sources as well as telephone and voice output.

SIB090121

Service Bulletin/Repair Instructions

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 errors occur when only one control unit fails to program correctly.

SIB610722

Service Bulletin/Repair Instructions

Check Control Message (CCM) displays "Vehicle key missing" after engine start.

SIB640222

Service Bulletin/Repair Instructions

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.

SIB651312

Service Bulletin/Repair Instructions

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 certain MY2021 vehicles with option code 6U3 Live Cockpit Professional. This uses map North America JOY. The ENTRY Media/Navigation (HU-B) is the low line business version of the navigation system and was introduced in 3/2014. This uses map North America ROUTE. The ENTRY NAV EVO (HU-B2) replaced Entry Media/Navigation as the low-line business version and was introduced in certain MY2018 vehicles. This uses map North America WAY.

B610722

Service Bulletin/Repair Instructions

Check Control message (CCM) displays "Vehicle key missing" after engine start.

B661519

Service Bulletin/Repair Instructions

The steering intervention for Lane Departure Warning (LDW) is too strong (severe), which can create an uncomfortable feeling for the driver. Background: Steering intervention helps keep the vehicle in the lane if the system detects that a lane marking has been crossed. The steering intervention can be noticed on the steering wheel and can be manually overridden at any time.

B090321

Service Bulletin/Repair Instructions

In some rare cases a customer vehicle might be excluded from one or more Remote Software Upgrade(RSU) campaigns. This SIB gives an overview how to identify these vehicles and how to proceed in case of a customer complaint.

B340122

Service Bulletin/Repair Instructions

When driving off from a standstill, a delayed or sluggish throttle response may be noticed sporadically.

B651221

Service Bulletin/Repair Instructions

BMW AG has issued a Delivery Stop (effective June 9, 2021) on certain Model Year 2021 BMW vehicles that were produced between May 7, 2021 and May 21, 2021. The Receiver Audio Module (RAM) will need to be added to the affected vehicles.

B612219

Service Bulletin/Repair Instructions

The customer states that the vehicle locks itself when the last door was closed, even though the remote control/display key was inside the vehicle.

B652121

Service Bulletin/Repair Instructions

SiriusXM satellite radio is not working and does not display a channel list.

B840621

Service Bulletin/Repair Instructions

The SIM card installed in the telematics control unit (ATM2) connects to different mobile providers' networks. However, due to a missing parameter, this does not work and can cause disruption in BMW ConnectedDrive services in areas with insufficient network coverage.

B840917

Service Bulletin/Repair Instructions

While using the wireless charger, one or both of the following may occur: 1) The BMW display key or mobile phone becomes hot to the touch. 2) The device switches off due to over temperature (built-in device protection).

B001020

Service Bulletin/Repair Instructions

BMW of North America (BMW NA) has made information available online to customers about software versions, including any changes to vehicle functionality that will result from each update.

B090121

Service Bulletin/Repair Instructions

BMW offers a new special ISTA Installation made available for Roadside Assistance / Mobile Service technicians.

B611621

Service Bulletin/Repair Instructions

The "energy management" Check control message (ID code 415) is falsely displayed when entering the vehicle.

B640321

Service Bulletin/Repair Instructions

After replacing the microfilter during a previous service, the customer notices that the ventilation system airflow rate is noticeably less.

B650919

Service Bulletin/Repair Instructions

Customer states the following about their vehicle: active radio or music source is interrupted, the navigation is no longer available, a black screen is shown in the Control Display, the system works again after a short interruption.

B610721

Service Bulletin/Repair Instructions

Groaning, scraping, or squeaking noise coming from the steering wheel area in the interior of the vehicle,when turning the steering wheel.

B651312

Service Bulletin/Repair Instructions

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 3 (HU-H3, also called MGU) superseded the NBT-EVO starting with certain MY2019 vehicles with option code 6U3 Live Cockpit Professional or 6U2 Live Cockpit Plus. This uses map North America LIVE. The ENTRY Media/Navigation (HU-B) is the low line business version of the navigation system and was introduced in 3/2014. This uses map North America ROUTE. The ENTRY NAV EVO (HU-B2) replaced Entry Media/Navigation as the low-line business version and was introduced in certain MY2018 vehicles. This uses map North America WAY.

B651621

Service Bulletin/Repair Instructions

Navigation announcement is very loud when the convertible top is open and can not be adjusted to a lower volume.

B651721

Service Bulletin/Repair Instructions

The BMW key card cannot be activated. The activation menu in the BMW iDrive is missing.

B662919

Service Bulletin/Repair Instructions

The top view image of the vehicle is misaligned when observed in the Control Information Display (CID). When the vehicle is parked in a parking spot with line markings, it is clearly noticed in the CID that the lines are not parallel to the side of the vehicle. This may be noticed on either the driver side, passenger side or both.

SIB 61 04 21

Service Bulletin/Repair Instructions

The customer may complain of a check control message stating "Safe share detected" (CCM-ID 953). Check control message can be verified by checking key reader information or performing the Check control message history service function.

SIB 62 03 21

Service Bulletin/Repair Instructions

When the vehicle is operated in Sport Mode, the engine speed is no longer displayed in the BMW Head-Up Display (HUD).

SIB340821

Service Bulletin/Repair Instructions

The yellow CCM, ID code 42, lights up when starting the vehicle. ID code 00042: Brake system. It is possible to continue driving. Additional notes: Avoid abrupt braking as far as possible. Drive at a moderate speed. Have it checked by your nearest Service Center.

B110120

Service Bulletin/Repair Instructions

On rare occasions during an engine oil service, the BMW Original (Genuine) engine oil filter insert is either difficult to remove or breaks apart in the oil filter housing.

B610421

Service Bulletin/Repair Instructions

The customer may complain of a check control message stating "Safe share detected" (CCM-ID 953). Check control message can be verified by checking key reader information or performing the Check control message history service function.

B650821

Service Bulletin/Repair Instructions

Customer states the Central Information Display is flickering and the picture is shifting.

B651121

Service Bulletin/Repair Instructions

SiriusXM satellite radio is not working and does not display a channel list.

B110321

Service Bulletin/Repair Instructions

B58 ENGINE: ENGINE OIL FILTER REMOVAL PROCEDURE AND TOOLS . A. For the B58 engines, a BMW Oil Catch special tool for use in conjunction with removing the engine oilfilter insert is now available.

B610319

Service Bulletin/Repair Instructions

SERVICE ACTION: PROGRAM OR REPLACE DUAL STORAGE SYSTEM BATTERY: A software error intermittently causes a continuous resetting of the microcontroller in the power management system. This causes the red Check Control Message (CCM) "Replace Battery" to be illuminated.

B650521

Service Bulletin/Repair Instructions

WHIRRING NOISES FROM THE STEERING WHEEL . When driving over rough road surfaces/cobblestones, there is a whirring/squeaking noise coming from the steering wheel-mounted air bag assembly.

B650721

Service Bulletin/Repair Instructions

HU-H3 MGU RESETS DUE TO BLUETOOTH CONNECTION WITH SAMSUNG ANDROID 11 : The head unit resets when using various apps (e.g., YouTube, Spotify, etc) on the connected mobile phone. This affects Samsung mobile phones (e.g., Galaxy S20 / S21) with the Android 11 operating system.

B840120

Service Bulletin/Repair Instructions

BMW CONNECTEDDRIVE SERVICES ARE NOT AVAILABLE: The BMW ConnectedDrive services are not available for an extended period.

B840220

Service Bulletin/Repair Instructions

REMOTE 3D VIEW NOT AVAILABLE: Remote 3D View cannot be launched In the BMW ConnectedDrive App.

B510721

Service Bulletin/Repair Instructions

INCREASED EFFORT REQUIRED TO OPEN DOORS: One or more doors may require increased effort to open.

B520721

Service Bulletin/Repair Instructions

ROUTING OF DRIVER'S SEAT WIRING HARNESS: The seat wiring harness on the left front area of the driver's seat of the affected vehicles may have been routed incorrectly.

B540221

Service Bulletin/Repair Instructions

CHECK CONTROL MESSAGE "ROOF NOT LOCKED": A check control message is displayed stating "Roof not locked", although the roof is securely locked.

B620121

Service Bulletin/Repair Instructions

INSTRUMENT CLUSTER BASIC PROGRAMMING ABORT: While programming with the current ISTA version, there is a repeated programming abort for the instrument cluster (Kombi).

B090120

Service Bulletin/Repair Instructions

BMW REMOTE SOFTWARE UPGRADE IS NOT OFFERED FOR INSTALLATION: The customer complains that the BMW Remote Software Upgrade (RSU) is not possible in his/her vehicle, though the Remote Software Upgrade menu is available in the vehicle and a download was performed by the vehicle or the BMW Connected App.

B610321

Service Bulletin/Repair Instructions

PROGRAMING THE DUAL STORAGE SYSTEM AND REPLACE IT IF NECESSARY: The 12 V battery's dual storage system (DSS) may contain a software error which intermittently causes a continuous resetting of the microcontroller and communication failure.

B511318

Service Bulletin/Repair Instructions

LIN BUS FAULTS WITH EXTERIOR REARVIEW MIRROR GLASS DAMAGE: Faulty exterior rearview mirror electronics have created a short on the LIN bus, damaging the mirror glass and causing functional errors in power window and exterior mirror operation.

B650121

Service Bulletin/Repair Instructions

SPORADIC FAILURE OR CRACKING NOISE IN BASS SPEAKERS: No Bass or a cracking noise can be heard from the bass speakers.

B611320

Service Bulletin/Repair Instructions

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.

B011220

Service Bulletin/Repair Instructions

BMW MAINTENANCE BOOKLET AND OEM TIRE MANUFACTURERS' WARRANTIES: In efforts to provide a digital experience to our customers, BMW of North America, LLC (BMW NA) is proud to announce a digital version of both the BMW Maintenance Booklet and BMW Original Equipment Manufacturers' (OEM) Tire Warranties.

B611120

Service Bulletin/Repair Instructions

WHEN LOCKING VEHICLE, DOORS ARE LOCKED BUT VEHICLE IS NOT SECURED: The customer complains that when locking the vehicle from the outside using the remote control: The doors lock The alarm system is not activated The side mirrors (when the function is activated) do not fold in.

B620320

Service Bulletin/Repair Instructions

MALFUNCTION INDICATOR LAMP (MIL) IS ILLUMINATED WITH FAULT MEMORY CDC152: The malfunction indicator lamp (MIL) is illuminated in the instrument cluster. The vehicles has no operating failures; only the MIL is illuminated.

B652020

Service Bulletin/Repair Instructions

?PROGRAM HEAD UNIT: Satellite radio content is not available over IP, this does not affect channels received over satellite.

B611319

Service Bulletin/Repair Instructions

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.

B612315

Service Bulletin/Repair Instructions

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.

B160320

Service Bulletin/Repair Instructions

DELIVERY STOP - REPLACE FUEL TANK: Over time, a fuel tank weld seam may start to separate at locations in which welding may have beeninsufficient.

B310120

Service Bulletin/Repair Instructions

SERVICE ACTION - REPLACE THE WISHBONE OR TENSION STRUT: An incorrectly pressed-in rubber mount in the wishbone, or hydraulic mount in the tension strut can lead to acoustic abnormalities in the front axle. A process fault at the supplier resulted in the mounts of the affected wishbone or tension strut to be incorrectly pressed in.

B520720

Service Bulletin/Repair Instructions

SEAT HEATING NOT ACTIVATED WHEN ENGINE IS STARTED USING REMOTE STARTING SYSTEM: When preheating/precooling the vehicle via the remote starting system (Remote Engine Start), the seat heating on the driver's side is not activated.

B610120

Service Bulletin/Repair Instructions

ACCESSORIES DO NOT POWER ON: 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. A design change was intended to reduce short circuits and blown fuses. When the plug adapter is inserted, the center contact pin may not make proper contact with the center pin of the power socket plug.

B511219

Service Bulletin/Repair Instructions

KIDNEY GRILL ACTIVE AIR FLAP FAULTS: A check control message or MIL (Malfunction Indicator Lamp) may be illuminated.

Reading this report

Complaint counts are reports filed with NHTSA, not failure rates. A common model collects more of them than a rare one that breaks more often.

2021 Bmw Z4 Service Bulletins: 86 bulletins | CarFathom