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speedometer accuracy
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  1. E46 (1999 - 2006)
    2 days ago my key stopped working and i read a bit about reprogramming it which i tried to no avail. So i read about checking the fuses so i started doing that stupidly with my engine running(i heard this was bad). One that i pulled out made the alarm(i think) beep loud and continuous until i...
  2. X5 E70 (2007 - 2013)
    What is the largest diameter tire I can put on my x5. I want to make my truck a more capable off-roader. Since a lift doesn't seem like an option I feel like the only direction I can go are A/T tires. At the moment I have 255/55/18's could I get 255/70/18's and throw them on my truck? Im...
  3. X3 F25 (2011 - 2017)
    I've seen some discussion about speedometer accuracy for other BMW models where they say the speedometer is set to read about 3% higher than the car's true speed. They say this is done as a safety measure for European markets where having a speedometer that erroneously shows too slow is illegal...
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