2009 BMW 135i 2D Coupe, StandardFACTORY OEM SERVICE PROCEDURE

DME Control Module Programming: Notes

WARNING: This page does not describe the selected car, but rather 136 other vehicles, including the 2008 BMW 760Li, 2008 BMW 650i, 2007 BMW Z4, 2007 BMW X5, and 2007 BMW X3. However, it is still accessible from the selected car via links, so may be relevant.

DME programming is used to change a "basic control unit" into a "programed control unit" by writing operating instructions onto a blank EPROM. Programming is also used to update an existing DME program by writing additional instructions that compliment the existing software. Programming is used on DME M3.X variants.

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

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

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