2012 BMW Z4Service bulletins
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.
- 10148253Apr 1, 2014Engine cooling, Transmission and drivetrain, Equipment. "PERFORM THE PROCEDURE OUTLINED IN THIS SERVICE INFORMATION ON ALL AFFECTED VEHICLES BEFORE CUSTOMER DELIVERY OR THE NEXT TIME THEY ARE IN THE SHOP FOR MAINTENANCE OR REPAIRS. BMW centers must ensure Recalls are completed after having been notified by BMW of North America, LLC (BMWNA) that a safety-related defect or noncompliance exists in any motor vehicle or item of replacement equipment in the center's…
- 10148010Mar 1, 2014Equipment, Electrical system. ConnectedDrive/BMW Assist System Information and Availability. ConnectedDrive features are partially or completely inoperative. Examples of some of these features are listed below: * BMW Assist Inoperative ? SOS call ? Roadside Assistance call * My BMW Remote App * BMW Online - Google local search * Concierge CAUSE The Electronic Subscriber Agreement (ESA) is inactive.
- 10148008Mar 1, 2014Equipment. RAD2+ Radio: Background Noise with Audio Turned Off. Background noise (buzzing, crackling, static) can be heard: * At low audio volume * When the radio is turned off * When the ignition is turned off NOTE: Background noise stops when the radio enters sleep mode. IMPORTANT: Background noise is more noticeable on vehicles produced before 09/2009 in case a RAD2+ replacement radio was installed previously. RAD2+ radio…
- 10147917Mar 1, 2014Engine cooling. "?SI B12 24 13 March 2014 Engine Electrical SystemsTechnical Service This Service Information bulletin supersedes SI B12 24 13 dated January 2014. PERFORM THE PROCEDURE OUTLINED IN THIS SERVICE INFORMATION ON ALL AFFECTED VEHICLES BEFORE CUSTOMER DELIVERY OR THE NEXT TIME THEY ARE IN THE SHOP FOR MAINTENANCE OR REPAIRS.
- 10147954Jan 1, 2014Equipment. Enabling Code FSC/SWT - Enabling the Navigation System Map at QC1. The navigation system is inoperative unless the map is enabled during the QC1 Pre-Delivery Check. INFORMATION New vehicles come equipped with a navigation road map that must be enabled via an enable code (FSC). This process is part of the QC1 Pre-Delivery Check performed with the ISID (ISTA Diagnosis). IMPORTANT: There is no programming involved!
- 10147953Jan 1, 2014Electrical system. "ConnectedDrive/BMW ASSIST Features Are Inoperative. ConnectedDrive features are partially or completely inoperative. * No traffic information (RTTI / ARTTI) * BMW ASSIST ""My Info"" service doesn't work. CAUSE The Electronic Subscriber Agreement (ESA) is inactive. * No active contract for ConnectedDrive features Offboard Availability (Backend) system issues * The external network was/is inoperative. * No data is…
- 10147945Jan 1, 2014Exterior lighting. Delay in Automatic Driving Light Switching On/Off. When driving out of a tunnel or exiting underground parking, the automatic driving light remains switched on for two minutes, even in daylight. The automatic driving light switching on/off can be shorter or longer when it starts to get dark. CAUSE The software for the switch-on threshold is lowered to protect the xenon light source.
- 10147928Jan 1, 2014Fuel system, Engine. N52K, N54 and N20 Engine - Noise from Fuel Tank. The customer complains of a noise from the underside rear portion of the vehicle. When diagnosed the noise is coming from the fuel tank. CAUSE A manufacturing defect inside the electric fuel delivery unit (in-tank fuel pump) pressure limiting valve will result in a noise while driving. This defect will not lead to fuel pump failure or loss of power.
- 10147707Jan 1, 2014Engine, Electrical system. "PERFORM THE PROCEDURE OUTLINED IN THIS SERVICE INFORMATION ON ALL AFFECTED VEHICLES BEFORE CUSTOMER DELIVERY OR THE NEXT TIME THEY ARE IN THE SHOP FOR MAINTENANCE OR REPAIRS. BMW centers must ensure Recalls are completed after having been notified by BMW of North America, LLC (BMWNA) that a safety-related defect or noncompliance exists in any motor vehicle or item of replacement equipment in the center's…
- 10147706Jan 1, 2014Engine. ?N20 and N26 Engine: Various VANOS System Faults Stored in DME. The Service Engine Soon lamp and Engine Malfunction warning are illuminated, and the vehicle has reduced power output. This situation can occur as a customer complaint, or after performing repairs to the engine valve train assembly. One or more of the following faults is stored in the DME.
- 10150200Nov 1, 2013Fuel system. A Delivery Stop has been issued on certain 2014 model year E89 vehicles produced from March to June 2013. The fuel pump pressure regulator could cause a noise that is audible to the driver. The fuel pump still functions properly in this case. Affected vehicles in center inventory must not be delivered until the in-tank fuel delivery unit has been replaced. Do not order parts at this time.
- 10150199Nov 1, 2013Fuel system. The Delivery Stop issued on November 22 for certain 2014 model year E89 vehicles produced from March to June 2013, remains in effect. The fuel pump pressure regulator could cause a noise that is audible to the driver. The fuel pump still functions properly in this case. Affected vehicles in center inventory must not be delivered until the in-tank fuel delivery unit has been replaced. Do not order parts at this time.
- 10150173Nov 1, 2013Body and structure, Visibility (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…
- 10150265Oct 1, 2013Equipment. Intermittently Stored FM Radio Stations Default to FM 87.7. Intermittently, the stored FM radio stations default to FM 87.7 after vehicle start-up. CAUSE 1. Low battery voltage or voltage drop at the head unit 2. Radio station preset contains FM 87.7 3. Remote key memory not set correctly or the setting is lost
- 10152345Sep 1, 2013Engine cooling. N20 and N26 Engine: Various VANOS System Faults Stored in DME. The Service Engine Soon lamp and Engine Malfunction warning are illuminated, and the vehicle has reduced power output. Various faults related to VANOS operation are stored in the DME. While performing the test plan, the results may appear to be inconclusive because the fault will not clear from DME fault memory. CAUSE This is due to a programming error…
- 10150224Aug 1, 2013Visibility (wipers, defrost, mirrors). "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…
- 10150221Aug 1, 2013Brakes. Brake Fluid Maintenance Service: 36-Month Interval. The CBS displays the first brake fluid service as a 36-month interval from the date of production instead of the appropriate 24-month interval.
- 10150217Aug 1, 2013Engine cooling. The Service Engine Soon Lamp On with Post Oxygen Sensor Faults Stored. The Service Engine Soon (MIL) lamp is on and the following faults are stored in the DME fault code memory.
- 10150037Jul 1, 2013Brakes. Brake Fluid Maintenance Service: 36-Month Interval. The coding in these vehicles has the CBS displaying the first brake fluid service as a 36-month interval from the date of production, instead of the appropriate 24-month interval.
- 10150034Jul 1, 2013Engine. N20 and N26 Engine: Various VANOS System Faults Stored in DME. The Service Engine Soon lamp is illuminated; Engine Malfunction warning is illuminated; and the vehicle has reduced power output. Various faults related to VANOS operation are stored in the DME. While performing the test plan, the results may appear to be inconclusive because the fault will not clear from DME Fault Memory.
- 10150065Jun 1, 2013Engine, Equipment. "BMW NA has agreed to extend the emissions warranties of the turbocharger's wastegate to: ??8 years or 82,000 miles, whichever occurs first, as determined from the vehicle's original in-service date select the ""Vehicle Comment"" button to display the extended coverage information. The terms of the original New Vehicle/SAV Limited Warranty and applicable emissions warranty still apply.
- 10149613May 1, 2013Equipment. In all audio modes (radio, CD, AUX-In, etc.), the audio output is distorted. It is more noticeable with high bass and high audio volume settings. There may also be an intermittent interference noise coming from the loudspeakers at low audio volume or when the radio is turned off. Audio settings in the RAD2+ (radio professional)
- 10149589May 1, 2013Fuel system, Engine. "N54 Engine: Diagnosis of Cold Start Rough Running with Misfire Faults. The customer may complain that during the cold start in the morning, the engine runs very roughly and the Service Engine Soon lamp is illuminated. Various misfire fault codes (e.g., 29CC, 29D2, 29D1, 29D0, 29C0, 29CF) may be stored in the DME control module. The engine rough running complaint can be reproduced on a cold start in the workshop.
- 10149587May 1, 2013Fuel system. N54: Diagnosis for DME FC 29DC/29F2/2FBF and Extended High-pressure Fuel Pump (HDP) Warranty Coverage.
- 10150133Mar 1, 2013Equipment, Electrical system. In all audio modes (radio, CD, AUX-In, etc.), the audio output is distorted. It is more noticeable with high bass and high audio volume settings. There may also be an intermittent interference noise coming from the loudspeakers at low audio volume or when the radio is turned off. Audio settings in the RAD2+ (radio professional)
- 10150130Mar 1, 2013Equipment. The vehicle position is missing or incorrect on the navigation map. The navigation system integrated in the Car Information Computer (CIC) is not calibrated correctly.
- 10150128Mar 1, 2013Equipment, Electrical system. Basic SVS: Voice Recognition Inoperative After Programming. After programming the vehicle with ISTA/P 2.48.x, the voice recognition (Basic SVS) is inoperative. NOTE: The Basic SVS only includes voice recognition for phone functions. Error in the coding data of ISTA/P 2.48.x The voice recognition function is unintentionally deactivated.
- 10150124Mar 1, 2013Exterior lighting. Condensation builds up inside the taillight lens.
- 10150100Mar 1, 2013Engine, Fuel system. The customer may complain that during the cold start in the morning, the engine runs very roughly and the Service Engine Soon lamp is illuminated. Various misfire fault codes (e.g., 29CC, 29D2, 29D1, 29D0, 29C0, 29CF) may be stored in the DME control module. The engine rough running complaint can be reproduced on a cold start in the workshop.
- 10150099Mar 1, 2013Fuel system. N54 Engine: Fuel Pressure Control Test Plan Error. INFORMATION Not applicable.
- 10052012Mar 1, 2013Electrical system. Bmw: battery has an increased demand due to developemental process of the electrical system. This is causing the batter to need to undergo an energy diagnosis.
- 10149441Feb 1, 2013Visibility (wipers, defrost, mirrors). "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…
- 10149427Feb 1, 2013Engine. N20 Engine: Engine Oil Filter Application. INFORMATION The current version of EPC does not provide all available options for the engine oil filters that are used in the N20 engine. The illustrations below will help identify the proper engine oil filter application until the EPC is corrected. Vehicles produced prior to 6/2012 will be equipped with a black plastic oil filter housing (1). In this case, engine oil…
- 10149316Jan 1, 2013Equipment, Electrical system. RAD2plus: Radio Causes Battery Drain. The vehicle's battery state of charge is very low after the vehicle was parked for a longer period of time (e.g., overnight). The RAD2+ radio doesn't allow the vehicle to enter full sleep mode, and causes a current draw from the battery with ignition off.
- 10149306Jan 1, 2013Body and structure, Equipment. Anti-trap Is Activated when Raising the Front Side Windows. When closing the front side windows using the convertible top switch or the central power window switch, one or both front side windows come to a stop at the top third travel area, and then reverse direction slightly. When the switch is actuated again, the windows will close normally. CAUSE The front side windows contact the rear side windows, causing the…
- 10149293Jan 1, 2013Engine. ?N20 Engine: Repeated Juddering or Surging While Accelerating. The vehicle judders or surges repeatedly while accelerating in hot ambient temperatures between 3,000 RPM and 5,000 RPM. The Service Engine Soon lamp is not illuminated, and no fault codes are stored in the vehicle memory related to this complaint. CAUSE The EPDW (electropneumatic pressure convertor) for the turbocharger wastegate valve is binding…
- 10150389Dec 1, 2012Equipment. Service Action: CIC - Install Navigation Road Map Database 2013. The Car Information Computer (CIC) road map database 2013 must be installed onto the CIC internal Hard Disc Drive (HDD).
- 10049679Nov 1, 2012Electrical system, Engine. Bmw: if bsd communication is disrupted, oil level sensor data is no longer received by dme. Bsd communication fault(s), after repairs are shortly set, requires removal of ignition harness from cylinder head cover. All models. No model years listed.
- 10049439Oct 12, 2012Fuel system, Engine. Bmw: vehicles needs diagnosing for n63 misfire faults when service engine soon lamp is illuminated. Lack of diagnosing engine or fuel system could cause incorrect diagnosis and repeated repair attempts. No models or model years listed.
- 10150334Oct 1, 2012Equipment. "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). Note: The INITIAL enabling code ""FSC CIC map, N. America 2013 INITIAL"" is necessary to start the installation process and to activate the road map database."
- 10150330Oct 1, 2012Electrical system. "Discharged Battery: Energy Diagnosis Must Be Performed. 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. A discharged battery can have various causes, most of which do not concern…
← All problems reported for the 2012 BMW Z4
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.