Quote:
Originally Posted by Penguin
Odd that they sell re-branded Techron under the BMW label, no?
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No, I don't think so, as they are very different products.
BMW specifically recommend against additives in the oil, transmission, differentials, transfer case, and power steering system. I don't recall them specifically recommending against fuel additives, they just advise to use good fuel instead of having to add cleaners. If you use poor quality fuel, then the Techron is a reasonable fallback whether it is from Chevron or rebranded by BMW.
The Seafoam product is ultra low-tech, to the extent that the same product is designed to be poured in the oil sump, poured in the fuel tank, or drawn in via manifold vacuum. It is also a de-icer. It is from the 1940's, and was designed for carburetors. It is made up of a thin machine oil, naphtha, and rubbing alcohol. Naphtha is commonly sold as Coleman stove fuel, or white gas. Seafoam is the original cure-all for whatever ails your engine. I imagine that it would also be good as a bug and road tar remover prior to waxing.
Consumer hint: Make your own magic engine cleaner out of kerosene, Coleman fuel, and rubbing alcohol. It would be cheaper, and just as effective. Ingredients and mixing proportions are on the web. Use at your own risk!!!