Technical Service Bulletins (TSBs) for the 2008 Z4 are official communications between BMW & their dealerships that describe processes for troubleshooting or fixing certain common problems. All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.

    STEERING: STEERING WHEEL/HANDLE BAR

    • TSB #B340414

      Date Announced:
      APR 01, 2021
      NHTSA ID:
      #10194296

      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. Read More »

    SUSPENSION:REAR:AXLE:NON-POWERED AXLE ASSEMBLY

    • TSB #SIB-33-01-02

      Date Announced:
      JUL 01, 2011
      NHTSA ID:
      #10040853

      BMW: A GRINDING NOISE IS COMING FROM THE DIFFERENTIAL DURING SLOW CORNERING. WHEN TURNING A SLIP/STICK EFFECT IS CREATED ON THE LINING AND STEEL DISCS INCORPORATED IN THE DIFFERENTIAL CLUTCH CAUSES A GRINDING NOISE. Read More »

    SERVICE BRAKES, HYDRAULIC

    • TSB #B340414

      Date Announced:
      SEP 01, 2015
      NHTSA ID:
      #10147242

      Diagnosis of Compound Brake System Complaints in M Vehicles This Service Information bulletin supersedes SI 34 04 14 dated December 2014. Designates changes to the bulletin. INFORMATION 1. Read More »

    • TSB #340414

      Date Announced:
      DEC 01, 2014
      NHTSA ID:
      #10148179

      Diagnosis of Compound Brake System Complaints in M Vehicles. INFORMATION 1. Visible cracks are caused by high thermal stresses during rapid heating and cooling of the brake discs. Read More »

    SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC

    • TSB #B340414

      Date Announced:
      SEP 01, 2015
      NHTSA ID:
      #10147242

      Diagnosis of Compound Brake System Complaints in M Vehicles This Service Information bulletin supersedes SI 34 04 14 dated December 2014. Designates changes to the bulletin. INFORMATION 1. Read More »

    SERVICE BRAKES, AIR:DISC

    • TSB #B340414

      Date Announced:
      APR 01, 2021
      NHTSA ID:
      #10194296

      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. Read More »

    ENGINE (PWS)

    • TSB #110208

      Date Announced:
      JUL 09, 2019
      NHTSA ID:
      #10162416

      "Power Reduction, FC 2A82 Intake VANOS and/or FC 2A87 Exhaust VANOS Camshaft Faults are Stored in DME. The ""Service Engine Soon"" (MIL) lamp is illuminated and engine power reduction is perceived. Read More »

    • TSB #B110616

      Date Announced:
      MAY 01, 2016
      NHTSA ID:
      #10151300

      N51, N52, N52K and N52T Engines: Various Eccentric Shaft Sensor Faults stored in the DME - Diagnostic Hints This Service Information bulletin and attachment supersedes SI B11 06 16 dated April 2016.. Read More »

    • TSB #110907

      Date Announced:
      MAR 01, 2013
      NHTSA ID:
      #10150095

      Intermittent Hydraulic Valve Adjuster (HVA) Noise. An occasional ticking or rattling noise from the camshaft hydraulic valve lifters (HVA) may occur during cold engine starts, due to frequent short-distance driving, or the noise may occur ... Read More »

    ENGINE AND ENGINE COOLING

    • TSB #B110208

      Date Announced:
      SEP 01, 2020
      NHTSA ID:
      #10181214

      Power Reduction, FC2A82 Intake VANOS and/or FC2A87 Exhaust VANOS Camshaft Fault: The ?Service Engine Soon? (MIL) lamp is illuminated and engine power reduction is perceived. Read More »

    • TSB #B110616

      Date Announced:
      APR 01, 2016
      NHTSA ID:
      #10151247

      N51, N52, N52K and N52T Engines: Various Eccentric Shaft Sensor Faults stored in the DME - Diagnostic Hints. Read More »

    • TSB #010414

      Date Announced:
      JUL 01, 2014
      NHTSA ID:
      #10148087

      External Engine Oil Leaks and Repairs. During the vehicle's operational life, normal engine oil seepage or sweating, in addition to accumulated road dust, dirt and grime in the engine compartment can cause the appearance of a more severe ... Read More »

    ENGINE AND ENGINE COOLING:ENGINE

    • TSB #TS-12-19-10

      Date Announced:
      AUG 01, 2010
      NHTSA ID:
      #10041276

      BMW: SERVICE ENGINE SOON LIGHT IS ON WITH A FAULT CODE STORED. INTERNAL DMTL PUMP FAILURE.*RM Read More »

    ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

    • TSB #SIB-01-02-12

      Date Announced:
      JUL 01, 2012
      NHTSA ID:
      #10045279

      BMW: A FAILURE OF THE TURBOCHARGER WASTEGATES, CAUSED BY A DEFECT, HAS AN EMISSIONS EXTENDED WARRANTY, 8 YEARS OR 82,000 MILES, WHICHEVER COMES FIRST, NOT OTHERWISE FALLING WITHIN COVERAGE EXCLUSION. Read More »

    • TSB #SIB-13-13-10

      Date Announced:
      SEP 01, 2011
      NHTSA ID:
      #10042684

      BMW: ON SOME VEHICLES, THE HIGH PRESSURE FUEL PUMP HAS AN INTERNAL COMPONENT THAT MAY FAIL AND CAUSING DRIVABILITY SYMPTOMS SUCH AS ERRATIC ENGINE OPERATION AND LONGER STARTING TIMES. *PE Read More »

    POWER TRAIN

    • TSB #B110208

      Date Announced:
      APR 01, 2020
      NHTSA ID:
      #10175267

      Power Reduction FC2A82 Intake VANOS and/or FC2 A87 Exhaust VANOS Camshaft Fault: The "Service Engine Soon" (MIL) lamp is illuminated and engine power reduction is perceived. Read More »

    ELECTRICAL SYSTEM

    • TSB #B510819

      Date Announced:
      JAN 16, 2024
      NHTSA ID:
      #10249437

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

    • TSB #B611305

      Date Announced:
      JAN 11, 2024
      NHTSA ID:
      #10249027

      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. Read More »

    • TSB #B611305

      Date Announced:
      OCT 01, 2020
      NHTSA ID:
      #10182619

      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. Read More »

    • TSB #B110208

      Date Announced:
      APR 01, 2020
      NHTSA ID:
      #10175267

      Power Reduction FC2A82 Intake VANOS and/or FC2 A87 Exhaust VANOS Camshaft Fault: The "Service Engine Soon" (MIL) lamp is illuminated and engine power reduction is perceived. Read More »

    • TSB #513608

      Date Announced:
      JUL 10, 2019
      NHTSA ID:
      #10162404

      "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. Read More »

    • TSB #610314

      Date Announced:
      JUL 01, 2014
      NHTSA ID:
      #10148120

      Check Control Messages Related to Battery Charge During Cold Ambient Temperatures. On cold days with an outside ambient temperature of less than 15?F, customers may notice a check control message related to the battery that is displayed ... Read More »

    • TSB #610314

      Date Announced:
      APR 01, 2014
      NHTSA ID:
      #10148273

      Check Control Messages Related to Battery Charge During Cold Ambient Temperatures. On cold days with an outside ambient temperature of less than 15F, customers may notice a check control message related to the battery that is displayed on ... Read More »

    • TSB #513608

      Date Announced:
      NOV 01, 2013
      NHTSA ID:
      #10150173

      "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. Read More »

    • TSB #641105

      Date Announced:
      MAY 01, 2013
      NHTSA ID:
      #10149612

      Clicking/Popping Noise from Dash at Startup. The customer states that when the vehicle is started, or the ignition switch is turned on, there is a clicking/popping noise coming from the dash area. Read More »

    ELECTRICAL SYSTEM:12V/24V/48V BATTERY

    • TSB #SIB-61-13-05

      Date Announced:
      MAR 01, 2013
      NHTSA ID:
      #10052012

      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. *KB Read More »

    ELECTRICAL SYSTEM:SOFTWARE

    • TSB #SIB-84-03-14

      Date Announced:
      JUN 01, 2014
      NHTSA ID:
      #10056099

      BMW: WHEN USING IPHONE, VARIOUS CONNECTIVITY FAILURES OCCUR, SUCH AS DISCONNECTION OF CALL, LIST OF CONTACTS INCOMPLETE, DUE TO THE VARIANTS AND SOFTWARE USED. MODEL 2008-2014. Read More »

    EXTERIOR LIGHTING

    • TSB #SIB-63-14-10

      Date Announced:
      NOV 01, 2010
      NHTSA ID:
      #10041281

      BMW: THE REAR LAMP IS NOT WATER TIGHT DUE TO CRACKS DUE TO STRESS. WATER MAY ENTER THE LAMP. *RM Read More »

    EXTERIOR LIGHTING:TAIL LIGHTS

    • TSB #SIB-63-14-10

      Date Announced:
      NOV 01, 2010
      NHTSA ID:
      #10041281

      BMW: THE REAR LAMP IS NOT WATER TIGHT DUE TO CRACKS DUE TO STRESS. WATER MAY ENTER THE LAMP. *RM Read More »

    VISIBILITY

    • TSB #513608

      Date Announced:
      NOV 01, 2013
      NHTSA ID:
      #10150173

      "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. Read More »

    • TSB #513608

      Date Announced:
      AUG 01, 2013
      NHTSA ID:
      #10150224

      "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. Read More »

    • TSB #513608

      Date Announced:
      FEB 01, 2013
      NHTSA ID:
      #10149441

      "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. Read More »

    VISIBILITY:POWER WINDOW DEVICES AND CONTROLS

    • TSB #B510819

      Date Announced:
      JAN 16, 2024
      NHTSA ID:
      #10249437

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

    VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR

    • TSB #513608

      Date Announced:
      JUL 10, 2019
      NHTSA ID:
      #10162404

      "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. Read More »

    AIR BAGS

    • TSB #010914

      Date Announced:
      SEP 01, 2014
      NHTSA ID:
      #10148018

      "?SI B01 09 14 September 2014 WarrantiesWarranties This Service Information bulletin supersedes SI B01 09 14 dated August 2014. Please read this Service Information bulletin in its entirety, the content has been completely updated. Read More »

    STRUCTURE

    • TSB #513608

      Date Announced:
      NOV 01, 2013
      NHTSA ID:
      #10150173

      "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. Read More »

    TIRES:VALVE

    • TSB #B360215

      Date Announced:
      MAY 01, 2015
      NHTSA ID:
      #10147136

      Valve Stem Replacement with Wheel Electronics. INFORMATION The valve stems are single-use only, and must be replaced every time the wheel electronics are replaced. If you loosen the nut (1), you must replace the valve stem. Read More »

    WHEELS

    • TSB #B360215

      Date Announced:
      MAY 01, 2015
      NHTSA ID:
      #10147136

      Valve Stem Replacement with Wheel Electronics. INFORMATION The valve stems are single-use only, and must be replaced every time the wheel electronics are replaced. If you loosen the nut (1), you must replace the valve stem. Read More »

    COMMUNICATION

    • TSB #SIB-84-03-14

      Date Announced:
      JUN 01, 2014
      NHTSA ID:
      #10056099

      BMW: WHEN USING IPHONE, VARIOUS CONNECTIVITY FAILURES OCCUR, SUCH AS DISCONNECTION OF CALL, LIST OF CONTACTS INCOMPLETE, DUE TO THE VARIANTS AND SOFTWARE USED. MODEL 2008-2014. Read More »

    EQUIPMENT

    • TSB #B611305

      Date Announced:
      OCT 01, 2020
      NHTSA ID:
      #10182619

      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. Read More »

    • TSB #110208

      Date Announced:
      JUL 09, 2019
      NHTSA ID:
      #10162416

      "Power Reduction, FC 2A82 Intake VANOS and/or FC 2A87 Exhaust VANOS Camshaft Faults are Stored in DME. The ""Service Engine Soon"" (MIL) lamp is illuminated and engine power reduction is perceived. Read More »

    • TSB #B110616

      Date Announced:
      MAY 01, 2016
      NHTSA ID:
      #10151300

      N51, N52, N52K and N52T Engines: Various Eccentric Shaft Sensor Faults stored in the DME - Diagnostic Hints This Service Information bulletin and attachment supersedes SI B11 06 16 dated April 2016.. Read More »

    • TSB #010914

      Date Announced:
      SEP 01, 2014
      NHTSA ID:
      #10148018

      "?SI B01 09 14 September 2014 WarrantiesWarranties This Service Information bulletin supersedes SI B01 09 14 dated August 2014. Please read this Service Information bulletin in its entirety, the content has been completely updated. Read More »

    • TSB #610314

      Date Announced:
      APR 01, 2014
      NHTSA ID:
      #10148273

      Check Control Messages Related to Battery Charge During Cold Ambient Temperatures. On cold days with an outside ambient temperature of less than 15F, customers may notice a check control message related to the battery that is displayed on ... Read More »

    • TSB #120913

      Date Announced:
      NOV 01, 2013
      NHTSA ID:
      #10150160

      State Inspection and Emission (I/M) Test Fails Due To an Invalid VIN Number. The customer of an affected vehicle may fail to pass an I/M test due to a non-compliant 17digit vehicle identification number (VIN) stored in the DME (Digital ... Read More »

    EQUIPMENT:ELECTRICAL

    • TSB #B662419

      Date Announced:
      SEP 01, 2022
      NHTSA ID:
      #10225126

      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. Read More »

    EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)

    • TSB #B650709

      Date Announced:
      JUN 01, 2018
      NHTSA ID:
      #10145306

      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 ... Read More »

    • TSB #B650709

      Date Announced:
      MAY 01, 2018
      NHTSA ID:
      #10143564

      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 ... Read More »

    EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

    • TSB #010914

      Date Announced:
      SEP 01, 2014
      NHTSA ID:
      #10148018

      "?SI B01 09 14 September 2014 WarrantiesWarranties This Service Information bulletin supersedes SI B01 09 14 dated August 2014. Please read this Service Information bulletin in its entirety, the content has been completely updated. Read More »

    EQUIPMENT ADAPTIVE/MOBILITY

    • TSB #B611305

      Date Announced:
      OCT 01, 2020
      NHTSA ID:
      #10182619

      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. Read More »

    • TSB #610314

      Date Announced:
      APR 01, 2014
      NHTSA ID:
      #10148273

      Check Control Messages Related to Battery Charge During Cold Ambient Temperatures. On cold days with an outside ambient temperature of less than 15F, customers may notice a check control message related to the battery that is displayed on ... Read More »

    EQUIPMENT:APPLIANCE:AIR CONDITIONER

    • TSB #B650709

      Date Announced:
      JAN 01, 2016
      NHTSA ID:
      #10151023

      Whistling Noise Coming from the Center Vent - A/C is Off . A very high pitched whistling or beeping noise is heard coming from the center vents. The flow of refrigerant through the expansion valve at certain temperature differentials. Read More »