Typically the new connectors just slide right into the pads. It sounds like you have a new set of pads already, but if not, we do have our RPS kits available that include new rotors / pads / sensors. It's highly suggested to replace the sensors when changing out the pads.
BMW E53 X5 M62 4.4L > Braking > OEM > ES#205327 Includes all the parts necessary to complete a front brake service in an Saturday afternoon - ECS Tuning Inc