3.07 differential w123 torn/used

Bought a 3.07 to put in a friends car, with what i was told a low mileage, about 250000km (low mileage to be a 300tdt w123) dont know if the oil has been neglected, started the regular cleanup, and was about to swap the sealrings/dichtrings: A0039978347 but i left it be, it will probably run […]