51 00... Notes on fitting window guide seals: Installation

WARNING: This page is about a different car, the 2011 BMW 750xi, 2011 BMW 750Lxi, 2010 BMW 750xi, and 2010 BMW 750Lxi. However, it is still accessible from the selected car via links, so may be relevant.

Apply a thin coating of lubricant to the reverse side of the window guide seal only
Perform fitting within 30 minutes of applying lubricant
Lubricant dries after fitting and becomes sticky