Driveshaft Flange Tool This speical tool could be used to replace seal for rear differential or this tool is used to remove / install final driveshaft for the BMW.Bmw Tool Numbers# 33 5 040 / 83300-495-55# 33 5 050 / 83300-495-552# 33 5 060 / 83300-495-553# 33 5 080 / 83300-495-555