Check out the realted link for some advice on how to reset the computer in your 2003 BMW 325I computer.
do you have to reset computer after changing battery in 2003 745li
Unfortunately There is not a reset oil button ( Like the explorer) at least for the 2003 Expedition ( Eddie Bower model)
go to autozone and have them hook it up to there computer and if you've already fixed the problem they can reset it.
With a scan tool.
With a scan tool, or unhook the battery for 5 minutes
That requires an engine scanner.
it may be the responders chip in the black computer behind da fuses
In the right front passenger footwell , by the kick panel
you dont
Disconnect your battery. Yup..It's that simple.
The only proper way is with a scan tool.