VAC Motorsports’ Anti-Sub Mounting Brackets for easily mounting 5th and 6th harness points into your BMW using VAC Motorsport Floor Mount Adapters.

This simple but effective piece bolts to the back of your floor mount adapters, then allowing either bolt-on or clip-on harness crotch straps to be installed. Middle point for single strap and outer points for dual strap.

As used on the Hack Engineering S54 E36 Touring. One bracket needed per seat.