Soaking in some water with some apple cider vinegar added to the bath water can help get rid of odors in your private area.
You can also pour some apple cider vinegar onto a washcloth or sponge and scrub the private area with the apple cider vinegar to get rid of the odor down there.
Apple Cider Vinegar has great antiseptic and antibacterial properties which can kill off the bacteria in your private area that is causing the body odor in your private area.
Adding some white vinegar to bath water or washing your private area with vinegar can also help with private area body odor.
Staying hydrated and using probiotics can help with private area odor too.