This is a BMW negative battery cable terminal designed for 1, 2, 3, and 4 series models from 2011 to 2018. It has a female connector, is heat resistant, and has one terminal. The manufacturer part numbers include 1242 7631109-01, 1242 7631109, and 7631109. It is placed at the rear of the vehicle and is compatible with OE/OEM number 7631109.