| This is my first post and im trying to find out info for my dads 94 325i convertable. It has the 6 with 4 speed auto. Around 50 mph, it surges in and out of 4th gear with the electric lockup convertor. If you pull it back into third the revs go way up and the surging is gone. Is there a part that i can replace for this problem? Thanks for your help. Mike |