Tune-up and Engine Performance Checks: Technical Service Bulletins

• Customer Interest
  • Engine - Misfire/Rough Idle Under Heavy load
  • Engine - Rough Idle/Idle Speed Dipping
  • Engine Controls - ECM Programming Data Update
    • Overview
    • Procedure
    • Parts, Service Action Label and Warranty Instructions
    • Reprogramming Troubleshooting & Replacement Procedure
      • Overview
      • A. M50 (Vanos) DME EPROM Reprogram/Troubleshoot Procedure
      • B. BMW Label Identification
      • C. Determination/Programming of Replacement Module/EPROM
      • D. Control Module EPROM Replacement Procedure
  • Fuel - HIgh Idle, Uneven Idle, Fault Code 41
  • Fuel System - Damage Caused By Fuel Contaminants
• By Symptom
  • Abnormal wear/deterioration
    • Fuel System - Damage Caused By Fuel Contaminants
  • Customer Interest
    • Engine - Misfire/Rough Idle Under Heavy load
    • Engine - Rough Idle/Idle Speed Dipping
    • Engine Controls - ECM Programming Data Update
      • Overview
      • Procedure
      • Parts, Service Action Label and Warranty Instructions
      • Reprogramming Troubleshooting & Replacement Procedure
        • Overview
        • A. M50 (Vanos) DME EPROM Reprogram/Troubleshoot Procedure
        • B. BMW Label Identification
        • C. Determination/Programming of Replacement Module/EPROM
        • D. Control Module EPROM Replacement Procedure
    • Fuel - HIgh Idle, Uneven Idle, Fault Code 41
    • Fuel System - Damage Caused By Fuel Contaminants
  • Driveability
    • Engine - Misfire/Rough Idle Under Heavy load
    • Engine - Rough Idle/Idle Speed Dipping
    • Engine Controls - ECM Programming Data Update
      • Overview
      • Procedure
      • Parts, Service Action Label and Warranty Instructions
      • Reprogramming Troubleshooting & Replacement Procedure
        • Overview
        • A. M50 (Vanos) DME EPROM Reprogram/Troubleshoot Procedure
        • B. BMW Label Identification
        • C. Determination/Programming of Replacement Module/EPROM
        • D. Control Module EPROM Replacement Procedure
  • Erratic Operation
    • Engine Controls - ECM Programming Data Update
      • Overview
      • Procedure
      • Parts, Service Action Label and Warranty Instructions
      • Reprogramming Troubleshooting & Replacement Procedure
        • Overview
        • A. M50 (Vanos) DME EPROM Reprogram/Troubleshoot Procedure
        • B. BMW Label Identification
        • C. Determination/Programming of Replacement Module/EPROM
        • D. Control Module EPROM Replacement Procedure
  • Poor performance
    • Engine - Rough Idle/Idle Speed Dipping
  • Shorted/Open circuit
    • Engine - Misfire/Rough Idle Under Heavy load
  • Smoke, Fumes
    • Engine Controls - ECM Programming Data Update
      • Overview
      • Procedure
      • Parts, Service Action Label and Warranty Instructions
      • Reprogramming Troubleshooting & Replacement Procedure
        • Overview
        • A. M50 (Vanos) DME EPROM Reprogram/Troubleshoot Procedure
        • B. BMW Label Identification
        • C. Determination/Programming of Replacement Module/EPROM
        • D. Control Module EPROM Replacement Procedure
  • Starting problems
    • Engine Controls - ECM Programming Data Update
      • Overview
      • Procedure
      • Parts, Service Action Label and Warranty Instructions
      • Reprogramming Troubleshooting & Replacement Procedure
        • Overview
        • A. M50 (Vanos) DME EPROM Reprogram/Troubleshoot Procedure
        • B. BMW Label Identification
        • C. Determination/Programming of Replacement Module/EPROM
        • D. Control Module EPROM Replacement Procedure
• All Technical Service Bulletins
  • Engine - Misfire/Rough Idle Under Heavy load
  • Engine - Rough Idle/Idle Speed Dipping
  • Ignition - Dual Electrode Spark Plugs
  • Ignition - Spark Plug Application
  • Ignition - Spark Plug Sealing Ring Missing
  • Ignition - Spark Plug Application Charts
  • Ignition - Spark Plug Application Chart
  • Spark Plug/Engine Oil Capacity Reference Chart
  • Engine Controls - ECM Programming Data Update
    • Overview
    • Procedure
    • Parts, Service Action Label and Warranty Instructions
    • Reprogramming Troubleshooting & Replacement Procedure
      • Overview
      • A. M50 (Vanos) DME EPROM Reprogram/Troubleshoot Procedure
      • B. BMW Label Identification
      • C. Determination/Programming of Replacement Module/EPROM
      • D. Control Module EPROM Replacement Procedure
  • Fuel - HIgh Idle, Uneven Idle, Fault Code 41
  • Fuel System - Damage Caused By Fuel Contaminants