Tried today on a 2004 BMW 325ci. I had a radiator leak and almost paid $300+ dollars to replace the radiator. I saw this product online, called my mechanic and asked his opinion. He said, “why not?” I bought it for under $10 at Walmart. Followed the directions and have been driving all day with no more leaks. Seems to be working GOOD! Leak has stopped!

– Mike C. – Atlanta, GA

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