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      07-28-2014, 12:16 PM   #1
ferocity02
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Speedo Correction?

Is it possible to correct the speedometer with coding? My speedo is reading about 4-5% too high. As an example, when the speedo says 73mph I am actually going 70mph according to GPS.
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      07-28-2014, 12:47 PM   #2
Sensible_
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I presume you mean digitally?

BC_DIGITAL_V
BC_DIGITAL_V_KORREKTUR

Are what you need in the KOMBI module.
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      07-28-2014, 01:02 PM   #3
ferocity02
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Quote:
Originally Posted by Sensible_ View Post
I presume you mean digitally?

BC_DIGITAL_V
BC_DIGITAL_V_KORREKTUR

Are what you need in the KOMBI module.
Is that a function that can be switched on/off? I know very little about coding at this point.
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      07-28-2014, 01:27 PM   #4
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if you're asking about the analog needle, no you can not.
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      07-28-2014, 01:46 PM   #5
ferocity02
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Oh ok, so BC_DIGITAL_V_KORREKTUR is only for the digital speedometer which I can also enable with coding?

My question was more in regards to the analog speedo. It's just annoying that I have to add a few mph to whatever speed I actually want to cruise at.
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      07-28-2014, 04:49 PM   #6
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Correct.

Tire size can effect the speedo, have your wheels been upgraded?

I'd stick to the digital speedo.
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      07-28-2014, 04:56 PM   #7
ferocity02
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Quote:
Originally Posted by Sensible_ View Post
Correct.

Tire size can effect the speedo, have your wheels been upgraded?

I'd stick to the digital speedo.
So the analog speedo could read 73mph, but the digital could show 70mph?

Stock wheels and tires.

I have not done any coding, so I don't have the digital speedo yet. But when I set the cruise control, I have to set to to 4-5% higher than what I actually want, which is a little annoying. I'm guessing there is no coding to fix that either.
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      07-28-2014, 07:55 PM   #8
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You are referring to Speedometer Advance.

See my post here:

http://f30.bimmerpost.com/forums/sho...&postcount=985
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