I have owned the car 6 months and did my first Diesel Purge today following the DieselGiant website instructions.

It was easy enough. My only advice is to get a bolt that fits tightly in your supply line you are closing up. I had to elevate my hose to prevent it from leaking. I had something in there, it just wasn't stopping fuel from coming out.

Also, I only had around 18-20 inches per hose. It would have been better with 24 inches each. Not a whole lot of black smoke, but a noticeably smoother engine, a little less noise, not much. And less smoke. Overall, for the $15 invested I am happy. My car must have been in pretty good shape though, which I am more satisified with. I have seen it recommended to do it every 6 months. Any other opinions...

My car has 220K. To change both Fuel Filters and run the purge I am looking at around $25-30 every 6 months!!!

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85 300CD Turbo "Das Polluter" 230K sold for $3,000

98 BMW 323is