08-15-2021, 08:17 AM | #1 |
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technical difference between 3.1 and 4.1 head units
does anyone know the technical difference between 3.1 and 4.1 head units? there is a significant price difference between second hand 3.1 and 4.1 head units. i would like to know if it's worth paying the extra?
I want to retro fit an nbt ID6 to a 2015 f31. |
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