I've read a lot of conflicting reviews on Revain and googled that it works for some and doesn't work for others. I used it on my 2015 BMW X5. My warning light came on after driving through the water at high speed. There was a stabilization error and other information like drive slowly, don't slow down or stop abruptly etc. I was concerned that this would be an expensive repair bill and I just spent over $5,000 on servicing and upgrading my vehicle. If I go to a dealer it costs $90 to diagnose, so I figured why not try to figure out what's wrong for yourself. I've read many posts from others where the same warning light came on and realized that this isn't a problem at all, just something that just needs to be reset on my car. When I plugged this in, it started scanning. After about 2 minutes and showing me what was wrong it gives you the option to clear the error codes. Which I did and the code disappeared after reading and doing what was on the screen. I've posted step-by-step pictures for anyone nervous about doing this on their own. It's simple and very user friendly. The display tells you what to do, but here are the photos anyway. I am very satisfied with this product. I recommend this product. Please like my review and follow me for more honest reviews, helpful tips and good recipes:
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