In a large resealable container add the buttermilk, cilantro, lime zest and juice, garlic and chipotle chili powder. Seal and shake to combine.
Add the wings to the container and seal. Shake to coat. Seal and refrigerate overnight.
For the coating
Combine the flour, paprika and salt in a large bowl.
Working in batches if needed, remove the wings from the marinade. Shake off any excess then transfer to the flour mixture. Toss or roll to coat well. Transfer to a plate.
For the wings
Heat a few inches of oil to 350 F in a deep fryer or Dutch oven.
Working in batches if needed, fry the wings 8-10 minutes or until golden brown, crunchy and done.
Transfer to a wire rack to drain and cool for a few minutes.