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post #8 of (permalink) Old 24th April 2006
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Originally Posted by MIKE4369
I would also like to know what happens to the ECU etc. when the battery is disconnected does everything go back to original (pre updated) settings?
The awnser to your question is no. Once an ECU is re-programmed it remains that way. A flat battery will not affect much more than your auto adaptives. Start it and take it for a reasonable drive and it will sort itself out.

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