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      08-09-2012, 06:23 AM   #6
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Yngvejos's Avatar

Drives: E91 325i, E30 325i
Join Date: Mar 2012
Location: Norway

iTrader: (0)

I tried to update CCA060 with a 50A power supply adjusted to 14.5V. The voltage never drops when I use this, but for some reason the ECU stops responding if the fuel pump starts while programming. (voltage still above 14v).
How many times should it go to 100% during the programming? I have gotten to the point where idrive boots completly a couple of times, then it go back to the BMW screen and start over again from 0%.

Have anyone else experienced the problem when the fuel pump starts?
2005 E91 325i