Replaced my top once when the window on the driver side (Window TSB) caught the rear section 5 months into ownership. After returning twice to fix issues related to the poor install (crunching the plastic retainer and damage to the plastic roller bar cover), I am back again 1.5 years later. This time the front passenger side window cause a small tear at the front. Never notice until the summer (again poor adjustment). Now I am told that they need a new assembly..