Hi. Thanks for reply, and yes, the EGS is involved, but only in order to remove and replace, which reboots it. Also, a check for all connectors between drive and computer, plus battery connections. Looks like a clear case of an inbuilt design fault, since the first response of anyone is to replace the transmission. This doesn't fix the problem, cos the sensor in the new transmission is still likely to fail. You're right too, that I found this solution on the net (New Zealand) but the behaviour of their car was, word for word, exactly similar. My feeling is to consider whether to do this thing or to chicken out and sell it on. I don't fancy getting rid of a great BMW 525i Auto that only cost me (gasp!) 300.
Thanks for your help and Best Wishes.
Sunday, January 11th, 2009 AT 7:39 AM