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Home >> BMW >> 1983 >> 633CSi Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Injection System - BOSCH AFC >> Removal & Installation >> Electronic Control Unit
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Electronic Control Unit

  1. Disconnect battery ground cable. Disconnect electrical connector retaining clamps or press back on clip located on wire end of connector.
  2. Disconnect electrical connector, swinging to right if necessary to remove. Remove ECU retaining screws and remove ECU. To install, reverse removal procedure. ECU is located as follows:
    • 528e, 533i, & 633CSi - Glove compartment.
    • 733i - Right kick panel, behind speaker.
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