I'm very impressed with your dealer here. Stick with him. The Slater & Gordon Class Action seems to be a money maker for Slater & Gordon. I certainly don't support involving past owners of VAG cars that unbeknown to the past owners had the problem. Only if the current owner of the car had been seriously disadvantaged by such things as a prematurely failed EGR or by a NOx emissions 'fix' that ruins the performance of their car. There are links to a couple of other class actions that might be more honest, listed at the end of the Golf VI Good and Bad section in carbycar. (Solicitors working on Class Actions for Volkswagen Owners are Leigh Day and Attwood Solicitors.)