Fastens rear boot lid tightly during driving, avoids accidental bounce of luggage compartment on bumpy roads. For F20 F21 I3 Tailgate Lock Actuator 7248075 51247248075 It boasts Reliable shock and scratch resistance, moisture resistance, and a long service life. Secure locking latch holds trunk firmly closed; prevents unexpected opening during driving for maximum safety. Function performance: Works well with central lock system, solves trunk fail to open or lock issues, Manufacturer: ATGCBCAUF