Complex sentence: In January 2013, Burger King changed the name of the product to BK Chicken Nuggets and reconfigured the shape of them from nuggets to three pointed crowns as they did in 2006 in 2015.
Split into simpler sentences: In January 2013, Burger King changed the name of the product to BK Chicken Nuggets. BK will reconfigure the shape of them from nuggets to three pointed crowns as they did in 2006 in 2015.