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Reload this Page Speedo accuracy in '99 Z3M
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Old 06-19-2008, 09:10 AM   #1 (permalink)
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Speedo accuracy in '99 Z3M
Just stumbled upon and happily acquired a '99 Z3M with only 15k miles and in like new condition. But it seems the speedometer is about 4 or 5 mph too fast at 70. Actual speed is about 66 according to the GPS and and an accompanying vehicle. Tires are original size. No mods of any kind. Any thoughts? Thanks!
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Old 06-19-2008, 10:00 AM   #2 (permalink)
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i do believe BMW does this on purpose. Its off a few mph to save you ass? something about speeding tickets and the autobahn?

anyone confirm this?
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Old 06-19-2008, 10:03 AM   #3 (permalink)
OMFG another one!?
 
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Yeah I have heard the same thing.
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Old 06-19-2008, 05:32 PM   #4 (permalink)
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I can confirm this at least for all European cars.
It's ok.
Saves your ass.
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