2012 BMW Z4 Technical Service Bulletins

141 technical service bulletins (TSBs) are on record for the 2012 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.

• 11037510Sep 21, 2026Electrical system. While performing a 12-Volt battery jump start, disconnect, or replacement, Vehicle test, and/or Programmingprocedure- the BMW Footwell Module (FRM) may become unresponsive.
• 11032735May 6, 2026Electrical system. The Footwell Module (FRM) limited warranty for defects in materials and / or workmanship has been supplementarily increased to 15 years / 186,000 miles as determined from the original first in-service / delivery date.
• 11031570Apr 23, 2026Electrical system. While performing a 12-Volt battery jump start, disconnect, or replacement, Vehicle test, and/or Programming procedure- the BMW Footwell Module (FRM) may become unresponsive.
• 11015849Mar 13, 2025Electrical system. The Footwell Module (FRM) limited warranty for defects in materials and / or workmanship has been supplementarily increased to 15 years / 186,000 miles as determined from the original first in-service / delivery date.
• 11014417Feb 20, 2025Electrical system. The Footwell Module (FRM) limited warranty for defects in materials and / or workmanship has been supplementarily increased to 15 years / 240,000 miles as determined from the original first in-service / delivery date.
• 10249437Jan 16, 2024Visibility (wipers, defrost, mirrors), Electrical system. 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.
• 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.
• 10204534Oct 1, 2021Engine cooling. For the above-referenced vehicles, BMW of North America, LLC (BMW NA) is extending the limited warranty for the engine timing chain and oil pump drive chain modules to: 7 years/70,000 miles as determined by the vehicle's original in-service date.
• 10204656Sep 1, 2021Equipment, Transmission and drivetrain. With the court's FINAL approval, BMW of North America, LLC (BMW NA) has entered into a nationwide settlement with the plaintiffs in the following class action: Gelis, et al. v. Bayerische Motoren Werke Aktiengesellschaft and BMW of North America, LLC.
• 10203331Sep 1, 2021Transmission and drivetrain, Engine cooling. BMW of North America, LLC (BMW NA) is extending the limited warranty for the engine timing chain and oil pump drive chain modules to: 7 years/70,000 miles as determined by the vehicle's original in-service date
• 10204619Jul 1, 2021Engine cooling. BMW of North America, LLC BMW NA is extending the limited warranty for the engine timing chain and oil pump drive chain modules to: 7 years/70,000 miles as determined by the vehicle's original in-service date
• 10201140Jul 1, 2021Equipment. With the court's FINAL approval, BMW of North America, LLC (BMW NA) has entered into a nationwide settlement with the plaintiffs in the following class action: Gelis, et al. v. Bayerische Motoren Werke Aktiengesellschaft and BMW of North America, LLC.
• 10200226Jun 1, 2021Equipment. Distribution of the following tool will be through the Automatic Tool Shipment Program
• 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.
• 10199287May 1, 2021Fuel system, Engine cooling. CLASS ACTION SETTLEMENT: N54/N54T/N55 ELECTRIC ENGINE COOLANT PUMP . With the court's FINAL approval, BMW of North America, LLC (BMW NA) has entered a nationwide settlement with the plaintiffs in the following class action: Oliver, et al v. BMW NA, et al
• 10198894May 1, 2021Engine cooling, Fuel system. CLASS ACTION SETTLEMENT: N54/N54T/N55 ELECTRIC ENGINE COOLANT PUMP . With the court's FINAL approval, BMW of North America, LLC (BMW NA) has entered a nationwide settlement with the plaintiffs in the following class action: Oliver, et al v. BMW NA, et al
• 10186213Dec 1, 2020Engine cooling, Equipment. N20 AND N26 ENGINE TIMING CHAIN AND OIL PUMP DRIVE CHAIN: Whining noise from the lower engine area near the engine oil pump that increases frequency when increasing the engine RPM. Wear on the engine oil pump chain drive and timing chain sprockets.
• 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!
• 10162434Jul 12, 2019Equipment. Service Action: CIC - Install Navigation Road Map Database 2013. Before delivering affected vehicles to the customer, the Car Information Computer (CIC) road map database 2013 must be installed onto the CIC internal Hard Disc Drive (HDD).
• 10162421Jul 10, 2019Electrical system, Engine. N54, N54T - Catalytic Converter Conversion Faults Stored. The Service Engine Soon (MIL) lamp could come on with one or both of the following faults stored in the DME: * 29F4: catalytic converter conversion - bank 1 * 29F5: catalytic converter conversion - bank 2 DME software diagnostic error.
• 10162404Jul 10, 2019Visibility (wipers, defrost, mirrors), Electrical system. "Outside Door Mirror Moves when Locking or Unlocking the Vehicle. The door mirror tilts immediately after unlocking or locking. The mirror position does not correspond to the memory position preset by the customer. Pressing the seat memory button typically will return the mirror to the stored position. Poor electrical contacts of the mirror drive in the mirror housing INFORMATION The problem has been integrated…
• 10145306Jun 1, 2018Equipment. NAVIGATION SYSTEM: REPORTING MISSING OR INCORRECT ROAD MAP DATA: The route guidance is inaccurate and therefore irritating to the customer; or it is not possible to locate certain addresses, for instance:
• 10143564May 1, 2018Equipment. NAVIGATION SYSTEM: REPORTING MISSING OR INCORRECT ROAD MAP DATA: The route guidance is inaccurate and therefore irritating to the customer; or it is not possible to locate certain addresses, for instance:
• 10154818Feb 1, 2018Engine. N20 AND N26 ENGINES TURBOCHARGER ELECTRIC WASTEGATE ACTUATOR LINKAGE PIN CORROSION This Service Information bulletin replaces SI B11 14 17 dated February 2018.
• 10135022Feb 1, 2018Fuel system. N20 ENGINE OIL FEED LINE TO THE TURBOCHARGER:Within the BMW ÒmodelÓ vehicles listed above, BMW of North America, LLC (ÒBMW NAÓ) is extending the limited warranty for the engine oil feed line to the turbocharger
• 10135019Feb 1, 2018Engine. Engine Oil Quick Reference Chart and Drain Plug Torque: The current version of ISTA/D has an error in the engine oil capacity specification for all vehicles with the N63R engine and xDrive.
• 10142945Jan 1, 2018Equipment. Bluetooth Connection Failures: There are various connectivity failures with the following devices: Apple iPhones: Samsung S6 and the S6 Edge.
• 10136705Dec 1, 2017Engine cooling. N20 Engine Coolant Thermostat: Limited Warranty Extension to 10 Years/120,000 Miles
• 10215025Jun 1, 2017Equipment. Shipping specific non-deployed vehicle safety devices to lighting resources, llc. This service Information bulletin provides information on shipping "specific" noin-deployed vehicle safety devices that are classified as Dangerous Goods (DG) to Lighting resources, LLC
• 10215024Jun 1, 2017Engine cooling. The engine?s intake charge-air duct limited warranty extension to 10 years/120,000 miles applies to ?eligible USspecification
• 10214947Jun 1, 2017Engine cooling. The engine coolant thermostat component-specific limited warranty extension to 10 years/120,000
• 10146719Jun 1, 2017Equipment. ConnectedDrive/BMW Assist System Diagnosis Information This Service Information bulletin replaces SI B84 02 14 dated July 2014 What's New: Model - Removed models which no longer support BMW Assist functionality and added new models. Procedure - Add step requesting print out of ConnectedDrive Service Cockpit page Information - Add SI for ConnectedDrive Service Cockpit; updated the hyperlinks and email address for CD…
• 10136745May 1, 2017Electrical system. ConnectedDrive/BMW Assist System Diagnosis Information
• 10146660Apr 1, 2017Electrical system. The underlying 2G technology for the GSM (Global System Mobile communication) COMBOX will no longer be supported by the cellular network providers after December 31, 2016. This COMBOX and the BMW Assist services that use its functionality will therefore no longer function after that date.
• 10146659Apr 1, 2017Electrical system. SERVICE ACTION: GSM COMBOX DEACTIVATION / DISCONTINUATION WITH 4 YEAR ASSIST SERVICE. What's New: ? Model: Option code removed to prevent confusion about affected vehicles ? Situation: Information added about Bluetooth functionality that is not affect by this Service Action ? Correction: Information added about lease returns, loaner, CPO and used vehicles that are not eligible for the 3 customer options ?…
• 10146658Apr 1, 2017Equipment. "?Telematics Device Spares Replacement Part Activation via DCSnet for BMW Assist What's New: ? Model: All models added along with 6AC option code ? Situation: All information added ? Information: Deleted CDMA related information and added activation of Wi-Fi control unit ? Procedure: Added "Note" regarding ConnectedDrive support hotline information . A replacement telematics control unit must only be activated for…
• 10146632Apr 1, 2017Fuel system. ?N20, N26, N55, N63TU, S63TU and S55 Engines: Bosch Injector ETK Part Number Error What's New: ? Identifying the injector type using the ISTA test plan ? Determining the injector part number using the new the parts table. The current version of the ETK incorporates multiple part number errors for the Bosch type injectors. Ordering the injectors by VIN number or manual identification in ETK may result in an…
• 10146573Mar 1, 2017Engine cooling. N20, N26, N55, N63TU, S63TU and S55 Engines: Bosch Injector ETK Part Number Error What's New: ? Procedure change: indentifying injector type using an ISTA test plan. . The current version of the ETK incorporates multiple part number errors for the Bosch type injectors. Ordering the injectors by VIN number or manual identification in ETK may result in an incorrect part number.
• 10146526Feb 1, 2017Engine. ?N20 AND N26 ENGINE: HIGH PITCHED WHINING NOISE FROM LOWER ENGINE AREA . Whining noise from the lower engine area near the engine oil pump that increases frequency when increasing the engine RPM. Wear on the engine oil pump chain drive sprockets.
• 10146786Nov 1, 2016Engine cooling, Transmission and drivetrain. 8HP: TRANSMISSION FLUID LOSS FROM COOLER LINES CONNECTIONS. There is a transmission fluid leak in the area around the oil cooler lines (on the transmission side). CAUSE Damaged O-rings due to unfavorable cooling line connection tolerances
• 10146904Oct 1, 2016Electrical system, Equipment. USB CABLE: BATTERY DISCHARGE/AUDIO FAILURE/RADIO RECEPTION. No sound from the radio, telephone, gong signal and or PDC. Poor radio reception and failure of the telematics systems. Possible Check Control system message: o Battery discharge when engine off. o Caution, no acoustic warning signals. Non BMW approved (third-party supplier) USB cable plugged into the USB port.
• 10146877Oct 1, 2016Engine cooling. "N20 ENGINE OIL FEED LINE TO THE TURBOCHARGER: LIMITED WARRANTY EXTENSION TO 10 YEARS/120,000 MILES. When starting a cold engine, a ""plume of blue smoke"" can be seen emitting from the exhaust tailpipe for approximately 10-20 seconds. There is no engine malfunction light illuminated (no"" turbocharger boost faults are stored) and no drivability issues are detected.
• 10146811Sep 1, 2016Engine. "VOLUNTARY EMISSIONS RECALL CAMPAIGN 16E-A04: DME - OBD. The DME software calibration for exhaust gas recirculation (EGR) on board diagnosis (OBD) may not function correctly. This would not cause problems with the vehicle emissions, but could cause it not to pass the OBD readiness Inspection/Maintenance test in certain states.
• 10147017Aug 1, 2016Equipment, Engine. "Delivery Stop: Remove Engine Oil Label. Affected vehicles in dealer inventory must not be retailed or delivered until the label is removed. Vehicles at ports of entry will be remedied prior to dealer delivery. On affected vehicles, there is an incorrect label regarding the appropriate engine oil. Affected vehicles can be identified with a ""Vehicle Comment"" in the DCS Warranty Vehicle Inquiry or ISPA Light.
• 10147002Aug 1, 2016Engine cooling. "VOLUNTARY EMISSIONS RECALL CAMPAIGN 16E-A04: DME - OBD. The DME software calibration for exhaust gas recirculation (EGR) on board diagnosis (OBD) may not function correctly. This would not cause problems with the vehicle emissions, but could cause it not to pass the OBD readiness Inspection/Maintenance test in certain states.
• 10146998Aug 1, 2016Electrical system, Equipment. FOOTWELL MODULE: LIMITED WARRANTY EXTENSION TO 8 YEARS/125,000 MILES. When performing ISTA/D diagnosis and/or a programming procedure (software update) on an affected vehicle, the Footwell Module (FRM) could fail. There is a compatibility issue with certain combinations of vehicle software (Plant Integration ILevel) and the Footwell Module hardware installed in the vehicle.
• 10151335May 1, 2016Equipment. Bluetooth Connection Failures. There are various connectivity failures with the following devices: Apple iPhones Samsung S6 and the S6 Edge. Connectivity failure examples are: Call disconnection - Call is transferred back to the handset. In some instances the call is then transferred back to the vehicle. Contact List incomplete General connection failures Apple iOS software (issue started with iOS 8.3 continues…
• 10151249Apr 1, 2016Engine cooling. N20 and N26 engine: Smoke from Exhaust when Starting a Cold Engine. When starting a cold engine, blue smoke can be seen emitting from the exhaust tailpipe for approximately 10-20 seconds. No turbo charger boost faults are stored and no drivability issues can be detected. CAUSE When the vehicle is parked overnight the engine oil pressure will equalize and may leak past the turbo charger exhaust side turbine seal.
• 10151119Feb 1, 2016Electrical system, Equipment. SI B84 03 14 February 2016 Communication Systems Technical Service This Service Information bulletin supersedes SI B84 03 14 dated October 2014. SUBJECT Bluetooth Connection Failures. There are various connectivity failures with the following devices: Apple iPhones Samsung S6 and the S6 Edge. Connectivity failure examples are: Call disconnection - Call is transferred back to the handset. In some instances the call…

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