1114250 Removing and installing/sealing rear coolant end cover (N63): Recycling
WARNING: This page does not describe the selected car, but rather 15 other vehicles, including the 2015 BMW Alpina B7L, 2015 BMW Alpina B7, 2014 BMW Alpina B7L, 2014 BMW Alpina B7, and 2013 BMW Alpina. However, it is still accessible from the selected car via links, so may be relevant.
Catch and dispose of drained coolant in a suitable collecting vessel.
Observe country-specific waste disposal regulations.