I had been trying a lot of products in my foam gun (shown below) but most good but not good enough and I was still having to agitate the dirt more than i would have liked. The new method worked really well and removed all the dirt with no agitation.
This fires the soap on to the paintwork and and slowly slides to the bottom of the car taking the dirt with it, thus no need to touch the paint work.
Firstly the car was rinsed with the pressure washer on a low setting, and then coated in a mixture of snow foam and a small amount of the cheepest shampoo that i had. Heres how it went on.
After dwelling 10 minutes
Wish i still had my E30 to try this on... but ill have one soon enough ;)
