Had the A520's on all my previous GTI's and had no complaints (although nothing to compare them to), then had to change to the superceding A539's and they are indeed dreadful in the wet, and in damp/greasy conditions, even worse, don't want to hang on at all
wolfsburg85, where abouts in derby did you get your proxes. i always used cts, but they seem to have hiked up prices