peugeot 306 bush problem?

have a 1995 306 . back in 2005 the frount lower arm pivot bush faild , i replaced both sets on the arm, the forward one failed again within 3 months-asumed because it was a paturn part was to be expected replaced again with genuin part, looks like the same bush is again on the way out. am i doin somink wrong, new bolts and torque settin was used.