BIG DIFFERENCE in mileage between Automatic vs car odometer!

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  • Updated 1 year ago
  • Not a Problem
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I am using Android app and latest version of the adapter (bought in 2017).

Someone had my car (2013 BMW X5) for 5 days and the difference in miles is over 500 miles.

Automatic shows: 1119 miles
Odometer only: 538

What could that be? Automatic Pro having issues OR car's odometer was rolled back?
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Umed Narzuloev

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Posted 1 year ago

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Amy

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Hi Umed - Yikes! That certainly sounds suspicious. We've never heard of that kind of discrepancy caused by Automatic. I've exported your post to our helpdesk system so Tech Support can take a look at your account and help you directly. Please keep your eye out for an email from help@automatic.com or support@automatic.com
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Umed Narzuloev

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Thank you, Amy.

Looking forward to hearing from you soon.
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Amy

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Please note that Mondays are a little hectic as the team is catching up on the queue of emails that came in over the weekend. Someone will get back to you as soon as they can. 
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Ashok Aiyar

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Amy & Umed - this problem is interesting. If it's cause does not involve odometer rollback, could either of you post a short summary of the underlying cause and I it's resolution? Thank you!
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Amy

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Hi Ashok. I agree! It's a super interesting case.

Tech Support still has the case open and is working with Umed so we don't have a final determination yet. So far the data Tech Support sees on the back end supports what our app is showing. I don't know how odometer rollbacks work or how easy/difficult they are to do, nor do I know the circumstances of the situation with Umed's car and who was using it so I can't conjecture beyond saying that our data looks accurate. We get that straight from the OBD port and there's no way for our system to create trips that weren't actually driven.

The one other possibility I can think of is if the adapter was moved to another car, without going through setup on that car, any trips taken in that case would be attributed to the last car that was set up with it. 

Incidentally, the BMW X5 isn't a supported car (https://automatic.com/cars) due to various issues many BMWs seem to have with just about anything plugged into their OBD-II port full time. However, that would not be the reason for this mileage discrepancy. 
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Ashok Aiyar

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Digital odometers are supposed to be resistant to odometer roll-back. But I see devices sold on eBay for roll-back (except they're euphemistically called "odometer roll up" adapters).

The older analog odometers were easy to roll back. Several years ago, when I lived in Chicago, I had a 1986 Volvo 760 and a shady mechanic, who kept the car for "testing" for 2 weeks after a timing belt replacement. The car went in for service with ~188K miles and was returned with 168K. I suspect that car saw more of the upper midwest than I did.

Fun fact - I was sufficiently paranoid about this dude's ethics that I sprayed the trunk with luminol because I was frightened he'd been transporting bodies for two weeks. Came up clean, so it was probably cocaine.
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Amy

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Oh jeez! That's crazy. Of course it brings "Ferris Bueller's Day Off" to mind. ;)
(Edited)
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Amy

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Just updating here to say that Tech Support combed through the data and it appears to be clean and accurate on our end. The BMW X5 is not a supported car for use with Automatic. However, we've never seen an issue of miles logged to Automatic via the OBD port that were not actually driven by the car, so we have no reason to believe this has anything to do with the car not being compatible. The most likely scenario seems to be either something wrong with the car's odometer or the odometer was somehow rolled back.
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Umed Narzuloev

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Hi Amy,

Thank you for the update!

I also believe the miles were logged accurately as I never had any problems with my Automatic Pro tracking device.

Thanks for your support!
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Amy

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You're welcome!

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