51 48... Notes for bonding sound insulation (SI), doors: General
WARNING: This page is about a different car, the 2010 BMW 550i, 2009 BMW 550i, and 2008 BMW 550i. However, it is still accessible from the selected car via links, so may be relevant.
Sound insulation is bonded to the inner door panel.
Bonded sound insulation must not be subjected to load (e.g. leak test) before 5 hours have elapsed.