Necessary preliminary tasks

WARNING: This page is about a different car, the 2012 BMW 328xi, 2011 BMW 328xi, 2010 BMW 328xi, and 2009 BMW 328xi. However, it is still accessible from the selected car via links, so may be relevant.

Drain TRANSMISSION OIL at oil drain plug

Tightening torque, 27 00 11AZ .

Remove TRANSFER CASE

Modify following parts:

Covers and protective caps
Drive shaft transportation lock
Vent hose of transfer case