Quote:
Originally Posted by skypx
Hello dbs600,
Try Archoil AR6200-8.
I used it in a 2014 F10 M5 and so far I'm impressed. After adding 10ml and filling up, my mpg went from 16.4mpg to 18.1mpg (drove 15 miles so far). Before adding Archoil AR6200-8 my MPG has never been above 16.6mpg!
The company has a 100% guarantee so if it doesn't work you can get a refund. Good luck!
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Thanks for the info, skypx!
I Googled the product and came up with many positive reviews!
Have a nice weekend!