Originally Posted By: Capa
All wheel cleaners require agitation, including the very expensive Sonax. Even acidic cleaners, the best for cleaning but not safe on all finishes, need some agitation. There are two that I recommend: Eagle One and my new favorite Griot's Heavy Duty Wheel Cleaner. The Griot's will turn reddish like Sonax when it comes in contact with metallic brake dust but is a lot cheaper if you buy a gallon for $40 from Advanced Auto with the 20% coupon. Also, it is safe on all finishes.
Even though my wheels are kept clean by frequent washings with plain soap and water....when I need to use a wheel cleaner, Griot's is what I use. It's a nice safe product.