Rear differential swap question
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Joined: Nov 2014
Posts: 351
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From: Chicago
My Ride: 2010, E61, 535i xDrive
Model Year: 2010
Rear differential swap question
If I were to change the rear differential, do we have to change the front one as well to match x-drive outputs in our wagons?
Isn't that like having different tire sizes in the rear vs front?
Isn't that like having different tire sizes in the rear vs front?