Checking Rubber Seal

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2013 BMW 128i, 2012 BMW 128i, 2011 BMW 128i, 2010 BMW 135i, and 2010 BMW 128i. However, it is still accessible from the selected car via links, so may be relevant.

Check the bonded seals for correct positioning and perfect adhesion. The bonding can be checked by pressing back the sealing lip.
The force required to peel off the seal immediately after gluing must be greater than 10 N/cm.