2020 BMW Z4 Technical Service Bulletins

165 technical service bulletins (TSBs) are on record for the 2020 BMW Z4. 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.

• 11032731May 6, 2026Engine. 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.
• 11016470Mar 26, 2025Engine. Bearing Shell Return
• 11013048Jan 13, 2025Body and structure. The convertible top does not open or close.
• 10250893Feb 28, 2024Electrical system, Fuel system. SITUATION BMW AG is conducting a Voluntary Emissions Recall (effective April 23, 2021) on a certain Model Year 2020 - 2021 BMW vehicles that were produced between August 13, 2019 and December 11, 2020. Do not deliver to a customer, a New, Certified Pre-Owned or Used vehicle subject to an emissions recall, until the vehicle is repaired. Do not use or sell replacement equipment/parts subject to an emissions recall.
• 10250374Feb 16, 2024Visibility (wipers, defrost, mirrors), Electrical system. 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…
• 10249437Jan 16, 2024Electrical system, Visibility (wipers, defrost, mirrors). The basic conditions for initializing the power windows are not met.
• 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, 2024Equipment, Electrical system. 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.
• 10249015Jan 5, 2024Fuel 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).
• 10242693Aug 1, 2023Body and structure. ?The outer A-pillar trim panel (arrow) protrudes outward (circled) towards the cowl seal.
• 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, 2023Exterior lighting, Electrical system. 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).
• 10239608Jun 1, 2023Electrical system, Equipment. In the event of an accident, the two-battery Dual Storage System (DSS) is disconnected from the electrical system via an internal relay.
• 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.
• 10238093May 1, 2023Equipment, Electrical system. 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. This was originally called ""Wireless Charging Tray"". Software in potentially affected vehicles may not recognize the removal of the digital key (Key Card or mobile phone) from the wireless charging tray, and thereby not meeting a federal…
• 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.
• 10236218Apr 1, 2023Engine cooling. 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.
• 10235206Mar 1, 2023Lane departure, Equipment. 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.
• 10235180Mar 1, 2023Steering. When turning the steering wheel while stationary or when driving on uneven roads; cracking, creaking, or knocking noises may be heard.
• 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.
• 10233163Feb 1, 2023Visibility (wipers, defrost, mirrors), Equipment. Check control message (CCM) 183 Windscreen wiper malfunction is displayed.
• 10230740Dec 1, 2022Equipment. Customer is shown an incorrect GPS location in the vehicle (i.e., Nav Map, coordinates).
• 10230725Dec 1, 2022Body and structure. A cracking, metallic noise from under the center of the vehicle.
• 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.
• 10225127Sep 1, 2022Lane departure. 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.
• 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.
• 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.
• 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.
• 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.
• 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.
• 10211809Mar 1, 2022Equipment, Lane departure, Steering. 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.
• 10214260Feb 1, 2022Engine, Transmission and drivetrain. When driving off from a standstill, a delayed or sluggish throttle response may be noticed sporadically.
• 10214254Feb 1, 2022Back-over prevention (rear camera). 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.
• 10212528Feb 1, 2022Electrical system. 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.
• 10206693Dec 1, 2021Electrical system, Equipment. 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).
• 10206692Dec 1, 2021Electrical system, Other or unknown, Equipment. 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.
• 10206690Dec 1, 2021Steering, Electrical system, Engine. 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.
• 10206688Dec 1, 2021Equipment. SiriusXM satellite radio is not working and does not display a channel list.
• 10206687Dec 1, 2021Equipment, 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 without Reversing Assistant.

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