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BMW Diesel Owners & Enthusiasts
Do you own a diesel powered BMW? Maybe a 335d or a BMW x35d? Come and talk about what makes your car great!

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  #26  
Old 02-18-2012, 11:52 AM
bigslickak bigslickak is offline
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Location: California
 
Join Date: Jun 2007
Posts: 249
Mein Auto: '11 E90 335d
My 335d is my second BMW, so after about 5+ years of driving these cars, my brain is kind of wired now to subtract 3 mph from what my speedo is showing. It's not that big of deal, now that you know, you'll get used to it and it will become second nature. The problem comes when you drive another car, and you find yourself going 78 mph instead of 75.
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  #27  
Old 03-18-2017, 05:10 PM
welds1 welds1 is offline
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Location: South Jersey Coast
 
Join Date: Mar 2017
Posts: 7
Mein Auto: 2009 X5 Xdrive 30i
Speedometer Difference

I've noticed the same thing, at 73mph I,m actually doing 65mph. Im not concerned about the speed difference but I was wondering about the odometer. I'd like to know if we are ticking off more miles because of the difference in speed.
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  #28  
Old 03-19-2017, 05:39 PM
Michael47 Michael47 is offline
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Location: Lynchburg, VA
 
Join Date: May 2014
Posts: 570
Mein Auto: '12 X5 35d
Zombie thread from 2012.

For what it is worth, it is absolutely normal for German vehicles to read 3-4 miles an hour faster on the speedo, although the odo is bang on. This is due to a quirk in German law, I'm told. In any case, both the 1967 BMW 200CS and the 1969 BMW 2002 I owned back in the day, as well as a couple VW buses and our 2001 VW Jetta also do exactly the same. Our 2012 BMW X5 too.

So, to answer your question, @welds1, no, your odometer is not ticking off miles you are not traveling. The speedo is simply "German car fast," and completely normal.
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  #29  
Old 03-20-2017, 09:12 AM
welds1 welds1 is offline
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Location: South Jersey Coast
 
Join Date: Mar 2017
Posts: 7
Mein Auto: 2009 X5 Xdrive 30i
Thanks for the reply, I checked the car against my gps yesterday and could see that the miles traveled were on the money. To be more accurate, the speedometer reads 73 mph and the gps reads 70.
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  #30  
Old 03-21-2017, 05:15 AM
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Ozer Ozer is offline
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Location: Rochester NY
 
Join Date: Sep 2015
Posts: 373
Mein Auto: 2011 X5 diesel
I actually like it that my x5d is 3mph fast. When those Oh ****!! cop with a laser moments happen im actually going slower than what the dash is showing
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  #31  
Old 03-21-2017, 09:22 PM
Milliwatt Rob Milliwatt Rob is offline
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Location: southern Vermont
 
Join Date: Aug 2016
Posts: 106
Mein Auto: x5 xDrive 35d 2013
Actual speed is available at the OBD2 port and can be read with an appropriate device. I have a digital Scangauge 2 attached to the port, which I use to provide gauges that BMW left out. Mine is set to display, digitally, mph, voltage, engine water temperature, and instantaneous fuel economy.
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