InstantForum.NET v4.1.4Genesee Valley Chapter Forumhttp://www.gvc-bmwcca.org/InstantForum/forums@gvc-bmwcca.orgTue, 06 Jan 2009 23:22:41 GMT20http://www.gvc-bmwcca.org/InstantForum/Topic71-6-1.aspxSounds like the immobilzer. I have not had to deal with this myself, but search the bimmer and roadfly forums for more information.</P><P>Sometimes it is a good idea to put a charger on the car when switchiing batteries to prevent loss of memory in the computers, etc.</P><P>Stock BMW batteries can last as long as 9 years, or at least they have for me. 8 years is pretty decent service life.Mon, 16 Jun 2008 14:19:07 GMTrobertplattbellhttp://www.gvc-bmwcca.org/InstantForum/Topic71-6-1.aspxSounds strange.... So start by fixing the problem. Get a new battery, (or even borrow one). Does the car start with a different battery? Sun, 20 Apr 2008 07:54:36 GMTm3jimhttp://www.gvc-bmwcca.org/InstantForum/Topic71-6-1.aspxfriend has a 2000 bmw 323ci. <br>his battery was getting weak, ..but car was starting & working fine. he did decide it was time to change battery,..but now the car wont start. <br>it turns over great , but no start. / could it be in limp mode, or a computer needs to be reset ??<br>sounds strange , but maybe a security system issue. <br>any help is welcome, thanks!!!Sat, 19 Apr 2008 21:27:57 GMTTODDFITZ