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Subject: Ok, here is what I found...
Author: ejonesie22 : member since March, 2004 : 1341 posts
Posted on: 2008-04-21 09:47:49      
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On my car, using a GPS since there is no speedo shop here, I am off by 2 MPH at 70. GPS indicates 68 when I am showing 70. That is well with in the tolerence limits I have seen with BMWs (7%). It seem the same through out the range of speeds, about 1.5 to 2 MPH slower than shown.



Evan Jones
1984 733i(s) Polaris Metallic 214,000 Miles
1986 745i Bronzit 162,000 Miles
1984 745i Delphin Gray 148,000 Miles (in progress)
1979 733i back to life supporting the others

oh and a '73 Alfa Spider, just because...



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