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backlash or play

  1. BMW Z Series - Tech Talk Z1, Z3, Z4, Z8, Z9
    Hi, In this video I've got the other rear wheel on the ground and the gearbox in 1st. All of this is play inside the diff. Doing this and looking at the diff, the input flange and prop shaft are rotating a tiny tiny amount, which I think is a slight bit of play in the gearbox. The vast...