WARNING: This page is about a different car, the 2013 BMW X5 M, 2012 BMW X5 M, 2011 BMW X5 M, and 2010 BMW X5 M. However, it is still accessible from the selected car via links, so may be relevant.
Repair kit (A) and glue cartridges (B) are marked with a date (best before).
Date (1) refers to the calendar week and year (KW/JJJJ).
Fig 1: Identifying Expiry Date Of Adhesive On Kit And Glue Cartridges