1994 BMW 325is StandardFACTORY OEM SERVICE PROCEDURE

Diagnostic Trouble Code Memory: Introduction

EGS control unit can detect 22 different defect codes with a series of additional information. It has room for 5 defect locations and their additional information in its defect code memory.

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.