紧急求助宝马523安装DVD导航.怎么安装!!!!

紧急求助宝马523安装DVD导航.怎么安装!!!! 请高手指点!!!!!!!!!谢谢!!!!!!!!!<img src="images/post/smile/dvbbs/em01.gif" /><img src="images/post/smile/dvbbs/em01.gif" /><img src="images/post/smile/dvbbs/em01.gif" /><img src="images/post/smile/dvbbs/em01.gif" /><img src="images/post/smile/dvbbs/em01.gif" /><img src="images/post/smile/dvbbs/em01.gif" />