jimlloyd40
Autocross Champion
- Location
- Phoenix
- Car(s)
- 2018 SE DSG
I sell to auto mechanics. I’ve been told that the benefits of chemical cleaners are minimal. I suppose as you say if you do them frequently enough it could avoid the need for walnut blasting over time.
I had it done at a dealer and they used BG and the before and after borescope pictures showed that the BG removed the majority of buildup.