If you're not using AutoProfi Engine Clean once a year, you are putting clean oil into a dirty engine every time you change your oil (YUK!). AutoProfi Engine Clean is TUV-certified and proven effective to remove sludge, dirt and contamination from the internal engine surfaces, optimizing engine performance, and reducing both oil and fuel consumption. AutoProfi Engine Clean neutralizes harmful engine acids, reducing emissions and quieting noisy hydraulic valve lifters.
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