Technical Service Bulletins (TSBs) for the 2020 M4 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.

    SUSPENSION

    • TSB #B340515

      Date Announced:
      NOV 01, 2020
      NHTSA ID:
      #10184575

      TICKING NOISE FROM THE FRONT AXLE WHEN CORNERING: The customer may complain of a metallic ticking noise from the front axle, when cornering, maneuvering, parking or pulling away from a parking space. Read More »

    • TSB #B310112

      Date Announced:
      AUG 01, 2020
      NHTSA ID:
      #10179812

      CRACKING NOISES FROM THE FRONTAXLE AREA WHILE TURNING THE WHEELS, WHEN STATION: Cracking noises are heard from the front axle area while maneuvering at low speeds (e.g. Read More »

    BRAKES (PWS)

    • TSB #B341019

      Date Announced:
      DEC 01, 2019
      NHTSA ID:
      #10170577

      HELPFUL INFORMATION FOR CUSTOMER DISCUSSIONS REGARDING MOTORSPORT VEHICLE BRAKES: Note for customer deleted: If the noise does not disappear despite the attempts to regenerate the brake a repair is required. Read More »

    PARKING BRAKE

    • TSB #B513016

      Date Announced:
      APR 01, 2020
      NHTSA ID:
      #10174015

      TAILGATE UNINTENTIONALLY OPENS: This Service Information Bulletin (Revision 4) replaces SI B51 30 16 dated March 2018. Read More »

    ENGINE (PWS)

    • TSB #B610520

      Date Announced:
      APR 01, 2020
      NHTSA ID:
      #10174019

      CCM DISPLAYED "INCREASED BATTERY DRAIN" CAUSED BY CONTROLLER: This Service Information Bulletin (Revision 1) replaces SI B61 05 20 dated February 2020. Electrostatic discharge at standstill / start engine. Read More »

    ELECTRICAL SYSTEM

    • TSB #B610520

      Date Announced:
      MAY 01, 2020
      NHTSA ID:
      #10176377

      CCM DISPLAYED "INCREASED BATTERY DRAIN" CAUSED BY CONTROLLER: A yellow CCM (Check Control Message) ID 415 is displayed- "Increased battery drain! // Battery. Electrostatic discharge at standstill / start engine. Read More »

    • TSB #B840214

      Date Announced:
      APR 01, 2020
      NHTSA ID:
      #10174320

      CONNECTEDDRIVE/BMW ASSIST SYSTEM DIAGNOSIS INFORMATION: This Service Information Bulletin (Revision 7) replaces SI B84 02 14 dated May 2019. ConnectedDrive/BMW Assist features are partially or completely inoperative. Read More »

    • TSB #B610520

      Date Announced:
      FEB 01, 2020
      NHTSA ID:
      #10172497

      CCM DISPLAYED "INCREASED BATTERY DRAIN" CAUSED BY CONTROLLER. A yellow CCM (Check Control Message) ID 415 is displayed- "Increased battery drain! // Battery. Electrostatic discharge at standstill / start engine. Read More »

    • TSB #B840416

      Date Announced:
      JAN 01, 2020
      NHTSA ID:
      #10171504

      SOS MALFUNCTION DISPLAYED This Service Information Bulletin (Revision 1) replaces SI B84 04 16 dated September 2016. Read More »

    ELECTRICAL SYSTEM:SOFTWARE

    • TSB #B650709

      Date Announced:
      JUL 01, 2020
      NHTSA ID:
      #10179009

      NAVIGATION SYSTEM - REPORTING MISSING OR INCORRECT ROADMAP DATA: Do not replace parts and do not program the vehicle. Roads can change by up to 15% every year. Read More »

    VISIBILITY:WINDSHIELD WIPER/WASHER

    • TSB #B612315

      Date Announced:
      NOV 01, 2020
      NHTSA ID:
      #10184584

      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. Read More »

    AIR BAGS

    • TSB #B513016

      Date Announced:
      APR 01, 2020
      NHTSA ID:
      #10174015

      TAILGATE UNINTENTIONALLY OPENS: This Service Information Bulletin (Revision 4) replaces SI B51 30 16 dated March 2018. Read More »

    STRUCTURE:BODY:DOOR

    • TSB #B513218

      Date Announced:
      NOV 01, 2020
      NHTSA ID:
      #10184578

      PAINT ON THE B-PILLAR IS SCRATCHED/DAMAGED: The paint finish of the door jamb (above the door striker) is scratched due to the inner door cavity window seal. Read More »

    WHEELS:LUGS/NUTS/BOLTS

    • TSB #B340515

      Date Announced:
      NOV 01, 2020
      NHTSA ID:
      #10184575

      TICKING NOISE FROM THE FRONT AXLE WHEN CORNERING: The customer may complain of a metallic ticking noise from the front axle, when cornering, maneuvering, parking or pulling away from a parking space. Read More »

    EQUIPMENT

    • TSB #B640613

      Date Announced:
      DEC 01, 2020
      NHTSA ID:
      #10186227

      ?A/C COOLING INTERMITTENT REDUCTION OF AIR FLOW: Customer may complain of reduced air flow when the air conditioning system is operated for an extended time, usually longer than 30 minutes. The evaporator starts to freeze up. Read More »

    • TSB #B640613

      Date Announced:
      DEC 01, 2020
      NHTSA ID:
      #10186889

      ?A/C COOLING INTERMITTENT REDUCTION OF AIR FLOW: Customer may complain of reduced air flow when the air conditioning system is operated for an extended time, usually longer than 30 minutes. The evaporator starts to freeze up. Read More »

    • TSB #B340515

      Date Announced:
      NOV 01, 2020
      NHTSA ID:
      #10184575

      TICKING NOISE FROM THE FRONT AXLE WHEN CORNERING: The customer may complain of a metallic ticking noise from the front axle, when cornering, maneuvering, parking or pulling away from a parking space. Read More »

    • TSB #B513218

      Date Announced:
      NOV 01, 2020
      NHTSA ID:
      #10184578

      PAINT ON THE B-PILLAR IS SCRATCHED/DAMAGED: The paint finish of the door jamb (above the door striker) is scratched due to the inner door cavity window seal. Read More »

    • TSB #B612315

      Date Announced:
      NOV 01, 2020
      NHTSA ID:
      #10184584

      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. Read More »

    • TSB #B840416

      Date Announced:
      JAN 01, 2020
      NHTSA ID:
      #10171504

      SOS MALFUNCTION DISPLAYED This Service Information Bulletin (Revision 1) replaces SI B84 04 16 dated September 2016. Read More »

    EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)

    • TSB #B652214

      Date Announced:
      APR 01, 2020
      NHTSA ID:
      #10174032

      AUTOMATED ACTIVATION OF NAVIGATION SYSTEM DURING PDI/QC1: This Service Information Bulletin (Revision 2) replaces SI B65 22 14 dated October 2015. Read More »

    EQUIPMENT ADAPTIVE/MOBILITY

    • TSB #B340515

      Date Announced:
      NOV 01, 2020
      NHTSA ID:
      #10184575

      TICKING NOISE FROM THE FRONT AXLE WHEN CORNERING: The customer may complain of a metallic ticking noise from the front axle, when cornering, maneuvering, parking or pulling away from a parking space. Read More »

    • TSB #B513218

      Date Announced:
      NOV 01, 2020
      NHTSA ID:
      #10184578

      PAINT ON THE B-PILLAR IS SCRATCHED/DAMAGED: The paint finish of the door jamb (above the door striker) is scratched due to the inner door cavity window seal. Read More »

    • TSB #B840214

      Date Announced:
      APR 01, 2020
      NHTSA ID:
      #10174320

      CONNECTEDDRIVE/BMW ASSIST SYSTEM DIAGNOSIS INFORMATION: This Service Information Bulletin (Revision 7) replaces SI B84 02 14 dated May 2019. ConnectedDrive/BMW Assist features are partially or completely inoperative. Read More »