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wow NICE ! there is a place in Miami call miami tuning group or something, i tried to contact them about a tune for the N63 but they told me they only do N63TU at the moment since I think thats the only ECU thats cracked along with the S63TU.
I want to get rid of my BMS stage 1, I dont think its properly running in my car, gives good power but doesnt feel smooth, and recently got problems with CEL so I just took it off.
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2011 550i
2013 M5
2014 M5 CP
2016 550i
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