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E90/E91/E92/E93 (2006 - 2013)
The E9X is the 4th evolution of the BMW 3 series including a highly tuned twin turbo 335i variant pushing out 300hp and 300 ft. lbs. of torque. BMW continues to show that it sets the bar for true driving performance! -- View the E9X Wiki

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  #1  
Old 01-31-2013, 09:02 AM
Zeaken Zeaken is offline
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Mein Auto: mazda miata
Digital speedometer problem?

This is not about the 3-4mph difference a lot of people ask about.

Alright I was reading the manual and was adjusting the digital display and checking service times etc when I found the digital speedometer!

I proceeded to take the car for a test drive and my digital meter reads totally wrong. it seems to count up around .4 mph at a time. its not a slow lag like one sees with gps systems. It litterally was at the point where I was going 50mph and it read around 26. It would also continue to climbs some times as decelerated.

My brain is slightly foggy so i will have confirm but i dont think this is an average mph because when I came to a stop I believe it did eventually ride back down to zero.

Is this something wrong with the computer or am I looking at something like an average speed vs actual? (it was also mph not kph if that means anything and this is a 2010 328i for reference)

Last edited by Zeaken; 01-31-2013 at 09:03 AM.
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  #2  
Old 01-31-2013, 09:14 AM
jburke4689 jburke4689 is offline
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It sounds lie you are looking a instantaneous mpg. You won't find you digital speedometer just by scrolling unless you have done some coding changes.
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Old 01-31-2013, 09:25 AM
Zeaken Zeaken is offline
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I just bought the car used so it was not i who did any coding changes but i suppose its certainly possible some one else did. it clearly says mph not mpg. I will see if I can get some pics of both it with mph with the gap and the mpg mode for reference. The mpg is a reference to average for certain because i have been tracking my bad urban driving habits.
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Old 01-31-2013, 10:03 AM
F32Fleet F32Fleet is offline
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Quote:
Originally Posted by Zeaken View Post
I just bought the car used so it was not i who did any coding changes but i suppose its certainly possible some one else did. it clearly says mph not mpg. I will see if I can get some pics of both it with mph with the gap and the mpg mode for reference. The mpg is a reference to average for certain because i have been tracking my bad urban driving habits.
It's displaying your avg speed.

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Old 01-31-2013, 10:45 AM
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furby076 furby076 is offline
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As others bet you are looking at avg speed

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I started to google to find a picture to match furby's suggestion to Gia, but it quickly became clear it was an inappropriate search to conduct at work.
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Old 01-31-2013, 11:58 AM
roadkillrob roadkillrob is offline
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The digital speedo once coded in also only changed by whole numbers, not part numbers!
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Old 01-31-2013, 12:25 PM
Zeaken Zeaken is offline
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it is based on on average mph. Thanks for the help guys, sorry about all the questions but new to the bmw thing. I will try to keep the search button going when I can.
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