A car salesman is selling a used BMW four cylinder engine, which was built in the 1950s and is a rarity in the world of used car sales.

    The seller, a man in his 40s, says he has driven the engine for almost 10 years and has never seen anything like it.

    “I bought it two years ago for $3,000, but I didn’t want to give it away,” said the man, who asked that his real name not be used.

    The man said he was able to track down a BMW dealer in North Carolina who could sell him the engine.

    He said the dealer sold the engine at a high price and gave him a $4.5,000 cash payment, plus a $2,500 cash deposit.

    “The engine is really cool,” the man said.

    “I’m not sure what’s going to happen with it.”

    The buyer told ABC News the engine was purchased for $6,000 at a garage sale in 2008.

    He is currently living in Florida with his wife and 2-year-old daughter.

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