Section 3237 (Transfer Case - Operating Fluids)

WARNING: This page does not describe the selected car, but rather 165 other vehicles, including the 2016 BMW 335i xDrive, 2016 BMW 335i, 2015 BMW M235i xDrive, 2015 BMW Alpina B7L xDrive, and 2015 BMW Alpina B7 xDrive. However, it is still accessible from the selected car via links, so may be relevant.