need some help on what direction i should go to tune my m54 for the turbo kit am i able to run any type of m54 tune or does it have to be the same chassis?
what software should i buy or should i take it or send it somewhere.
That depends on which DME you are running
which apparently in e60 M54s can only be stock MS45.1, In which case it is a bit more difficult to tune. theres a couple links to help out and terraphantm is a great member to help out with this kind of stuff he actually created the flashing tool
check out the ms45 wiki page
and
bimmerlabs.com
you would need to convert it to ms43 from early model e46
https://www.bimmerworld.com/About-Us...43-Conversion/
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