Will this fit my F30 bumper if it's not Sport Line?

This is cut for Sport Line bumper geometry only. If you have a standard or M-Sport bumper, the mounting points and gap spacing won't align—order the correct variant for your bumper style.

Do I need to prep or paint this before installation?

Inspect the finish when it arrives. If painting is needed, sand and prep following standard automotive panel procedures, then apply primer and your color match.

What fastening method should I use?

Mounting method is designed for factory attachment points—test-fit first to confirm your specific vehicle's setup, then secure with appropriate fasteners or clips per your bumper assembly.