E46Fanatics - View Single Post - rear limited slip diff in an XI
View Single Post
Old 02-01-2011, 10:15 AM   #13
Registered User
Join Date: Aug 2010
Location: Englewood, CO
Posts: 25
My Ride: 325Xi
Originally Posted by Kubica View Post
How can you have an open diff with a fixed ratio?
Different tooth count off the input shaft in the trasfercase. I havent seen inside one of these, but I imagine there is a set of spider or planetary gears in the center diff that outputs to the driveshaft.

If it wasnt a open diff the car would bind up like a truck in 4x4 in parking lots.

2002 325Xi

2003 F250 Super Duty

2013 Volt

Last edited by sbiggi; 02-01-2011 at 10:21 AM.
sbiggi is offline   Reply With Quote