Here is how I removed the swirl scratches and replenished the finish on the hood of 540i/6.
Objective: Buff out shallow scratches in the clear coat.
Applicable Vehicles:
All clear-coated vehicles.
Parts required: Zaino Z2, Z5, Z8, and Z18.
Cost: $100
Difficulty: Medium
Time Required: Depends on how you want to do it!