Serie 3 Vigano Front Bumper Fender

All,
anyone seen one of these before, bit unsure that the two rearmost fixtures and the one behind the badge require you to drill mudguard to fit, whereas the other two are the 'traditional' clamp fitting.
anyone seen one of these before, bit unsure that the two rearmost fixtures and the one behind the badge require you to drill mudguard to fit, whereas the other two are the 'traditional' clamp fitting.