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Hey guys, I have one on my Lincoln navigator, and it does work. it doesnt make a huge difference, but on the navigator when you use 12 mpg to 16 its an improvement. I dont think I would put that on my E46, and I would say that its not worth $70. Im not surprised that someone else has comeout with a cheaper one. they dont look expensive at all.
 

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Keeferno said:
It's been found that the thing is a total scam. Someone on here tried it and they said it actually decreased their performance
That really sucks to hear. I had my hopes up that it was something we can all benefit from. Oh wells. :liar: :liar: :liar:
 
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