My father and I have just opened and ALL Tune & Lube franchise in Raleigh NC. A sales representative from BG came by to sell his products. All of the mechanics have used BG products before and know how well they work on gasoline cars. He gave me a sample of BG diesel treatment. We have a mechanic that specializes in German cars (coincidences of coarse)he says he has used their products on gasoline cars but never has used them on a diesel automobile. I was just wondering if any one has ever used these products before.

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1983 240D Yellow
1989 300E Champigne
1993 190E Gray
1986 325 BMW Burgundy
1987 Chevy S10 Blazer