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How to Reset the ECU on a BMW 5 Series

Model: BMW Serie 5 E39 - Years 1995-2003
Part: Warning light – error code

To perform this operation, which may seem complicated and specific, you won’t need any special tools or knowledge. Just turn the key to the position just before starting your vehicle to power on the dashboard. Now, press the gas pedal for 5 seconds and turn the key to the off position. Release the accelerator pedal, wait 2 minutes, and remove the key. With these simple steps, you have completed the reset of your vehicle's ECU.

Updated on 26 February 2026 by ScegliAuto

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