Will this work with my factory bumper cover?

Yes. This bar sits behind the cover and uses the same factory mounting points. Your OEM bumper cover bolts to this reinforcement just like it does on a stock vehicle.

Do I need to disconnect any sensors before removal?

Possibly. If your bumper has parking sensors or camera mounts, disconnect those first before unbolting the old reinforcement bar. The sensors typically stay mounted to the cover itself, so you're just unbolting the bar underneath.

Will bumper sensor holes line up correctly?

Factory sensor holes in your bumper cover will align as they always have — the reinforcement bar just provides the backing structure. No drilling or adapter work needed.