Control Module Identification

2004 BMW 325Ci Convertible (E46) L6-2.5L (M56)SECTION Control Module Identification



Control Module Identification
It is important to know how to properly identify DME control modules prior to programming. The control modules are identified by:
- BMW Part number
- BMW Hardware number
- Bosch Hardware number

These numbers are displayed in the following locations:
- Control module ID label.
- Control module ID display using the Diagnostic program.




Part Number Basic Control Module
This number refers to the part number of the control unit without any data status.

Part Number Programmed Control Module
This number refers to the part number of a factory programmed module that includes the data status.
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.