"madloof72" > wrote in message
oups.com...
> Could you explain what dumping the error codes entails? Is it
> something I can do myself? And if I take it to my mechanic is it
> usually a big job or small? Thanks.
>
> RM
>

See this link
http://www.pelicanparts.com/BMW/tech...de_Reading.htm .
It explains is very well.

Kyle.
98 740iL
97 M3