2002 BMW 745iFACTORY OEM SERVICE PROCEDURE

Synchronization Of The System Time

In order to ensure the same system time in all modules, a regular synchronization of all satellites is necessary.

There is a distinction between the synchronization in normal operation and synchronization of new modules installed in the vehicle as spare parts.

The mileage reading is also stored in the SIM. In order to set up a relation between the system time and mileage reading, the current mileage reading is saved during the synchronization of the system time.

Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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When to See a Mechanic

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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