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HOMESERVICE MANUALSBMW2009550I STANDARD, GS653BZREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 930 (CODING AND PROGRAMMING - OVERVIEW)CODING & PROGRAMMING EQUIPMENTREMOTE CODING, INDIVIDUALIZATION & PROGRAMMING TERMINALSOPPS/OPS/DIAGNOSTIC HEADDIAGNOSTIC HEAD
2009 BMW 550i Standard, GS653BZ

Diagnostic Head

2009 BMW 550i Standard, GS653BZSECTION Diagnostic Head
WARNING: This page does not describe the selected car, but rather 333 other vehicles, including the 2007 BMW Z4, 2007 BMW X5, 2007 BMW X3, 2007 BMW M6, and 2007 BMW M5. However, it is still accessible from the selected car via links, so may be relevant.

The diagnostic head is able to:

  • Acts as interface between vehicle and DISplus/GT1/SSS
  • Perform vehicle diagnosis, coding and programming and Vehicle & Key Memory on most vehicles.

    Should not be used for coding and programming vehicles equipped with a MOST bus (E60/63/64/65/66...) as processor is too slow. 

    Fig 1: Identifying Diagnostic Head
    G03397891Courtesy of BMW OF NORTH AMERICA, INC.
  • Communicates via a wired connection (DK LAN cable ) to Network or directly to DISplus/GT1/SSS
  • Wireless communication to LAN/Workshop Network Connection via Access Point
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.