51 48... Notes for bonding sound insulation (SI), doors: General
WARNING: This page is about a different car, the 2013 BMW 550i GT, 2012 BMW 550i GT, 2011 BMW 550i GT, and 2010 BMW 550i GT. 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.