Factory open differential off of an automatic transmission 2006-2008 E86 BMW Z4 3.0si. The differential has a 3.64 gear ratio. Will fit all 2006-2008 N52 3.0i and 3.0si BMW Z4's with an automatic transmission. Will not fit manual or M model cars. If swapping this into any car besides a 2006-2008 3.0si car, then your gear ratio will change. The differential is off of a car with 83k miles and in good running condition. It was fully tested, with no odd noises or grinding sounds. Fluid has been drained with no metal shavings or abnormalities. Has some normal cosmetic surface rust and wear, as shown in the photos. You will need to reuse some of your existing hardware for installation.
Sales tax applicable within the state of Florida, automatically added at checkout for Florida residents.