63 12 861 Replacing Control Unit For Right Xenon Headlight
WARNING: This page is about a different car, the 2010 BMW 135i, 2009 BMW 135i, and 2008 BMW 135i. However, it is still accessible from the selected car via links, so may be relevant.
Operation is described in:
Replacing control unit for left xenon headlight . Refer to 63 12 860 Replacing Control Unit For Left Xenon Headlight (From 03/2007) .