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Yeah it works, with scanner everything is easy



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is the fuel consumption gauge has changed to oil temp?
 

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Discussion Starter · #22 ·
Thank you so so much for the help! It really worked.
(don't forget to save the changes before rewriting the EEPROM馃槄)

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Now I only have to figure out a way to cut the difusor behind the dashboard...
 

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Thank you so so much for the help! It really worked.
(don't forget to save the changes before rewriting the EEPROM馃槄)

View attachment 951804

Now I only have to figure out a way to cut the difusor behind the dashboard...
glad to see its working. I've ordered the LED's and chips from digikey, hopefully it'll arrive soon and try this mod by myself.

is it hard to do the "soldering" part?
 
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Just take your time :)
I used a small soldering tip and small tweezers. Was a bit fiddly but worked on the first try. Just make sure, you dont have any shorts
thanks for the tip :), as for the "tachoscheibe" I don't know that in english. Have you sourced it?
I'm sure the "tachoscheibe" need to be custom made as the standard one did not have the pattern on the RPM gauge to show the LED's.
 

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Yeah you definitely don鈥檛 want to do it like I did. I will order a fresh one from eBay
that's good! keep us updated.
 

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Discussion Starter · #28 ·
while letting the car warm up, I stumbled apon some strange behaviour:
The LEDs turn off in the order 1 to 5, but the circled LED in the top right corner stays on... Is that supposed to happen?
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BMW E46 325i M54B30
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while letting the car warm up, I stumbled apon some strange behaviour:
The LEDs turn off in the order 1 to 5, but the circled LED in the top right corner stays on... Is that supposed to happen?
View attachment 951830 View attachment 951828
I have M3 cluster on my car, but its the original m3 one, it act the same like yours. When the engine is cold like I've parked the car for a night then in the morning I turned the car up the LED's is fully turn on like the picture below, but when the engine is on fully working temperature the LED's would go down to 7000 RPM. So I think yours is completely normal.




here is my LED setup on the MS43.



 

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glad to see its working. I've ordered the LED's and chips from digikey, hopefully it'll arrive soon and try this mod by myself.

is it hard to do the "soldering" part?
Maybe u can read out an eeprom from your cluster and upload it here so we can take out a speedo and tacho curve and adjust normal cluster to corectly rev to 9k rpm?
 

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While operating the regular cluster with the LEDs we notice that they are only properly placed inside the m3 cluster since the segmentation of the rpm is slightly different.

so to do it like 99 percent correctly you would need to solder some wires and then move the leds to the proper position.
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While operating the regular cluster with the LEDs we notice that they are only properly placed inside the m3 cluster since the segmentation of the rpm is slightly different.

so to do it like 99 percent correctly you would need to solder some wires and then move the leds to the proper position.
View attachment 952541
View attachment 952542
one question though, where did you bought your cluster overlay?
 

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Ideal u need to use m3 overlay. In the video he say it. But he didnt have calibration from m3 cluster. So in my opinion we need to copy kva_tachometer from oryginal cluster to normal cluster and m3 overlay u can buy everywhere.
 
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