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ZF 8HP EGS: resetting to virgin from a dump on the bench with the ECU Programming Tool and ZN079

BMW Interface New Flashing / Programming Advanced ⏱ 60-90 min 9 steps

When resetting and adapting the 8HP EGS via OBDII is not possible, the unit can be taken back to virgin state on the bench by reading and rewriting the Data Flash with the ZN079 cable set and the ECU Programming Tool.

Required licences

  • —

Hardware / cables

  • AVDI
  • ZN079
  • ECU Programming Tool
⚠ WarningAfter "Virginize" a NEW file is created and you must save it separately: always keep the original dump read at step 1 as a backup as well. For full details refer to the "ZF 8HP Virgin - Adapt for BMW" section of the ECU Programming Tool manual.

Procedure

  1. Remove the 8HP EGS and connect it on the bench with the ZN079 cable set.
  2. Using the ECU Programming Tool, read the unit's Data Flash and save the data to file (keep it as a backup).
  3. Load the saved file into the "Dump tool".
  4. Press the "Virginize" button: a new file is generated, save it.
  5. Go back and write the new file into the unit: the EGS is now in virgin state.
  6. Fit the virgin EGS on the vehicle to carry on with the adaptation.
  7. On-car adaptation: turn the ignition to IGN ON and wait 2 minutes.
  8. Turn the ignition to IGN OFF and wait 2 minutes.
  9. Repeat the ON/OFF cycle 5 times each: the whole procedure takes roughly 20 minutes.

Reference screenshots

ZF 8HP EGS: resetting to virgin from a dump on the bench with the ECU Programming Tool and ZN079 — 1
Source: Manuale BMW/Mini, terza parte, cap. 11.3 (p.61) · ⏱ estimated time 60-90 min
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