I ran a 4.5 0-60 on my 35i after I put a Jb4 in it (with VBOX), with 1 passenger on a not so great road.
The jb4 had no time to adapt though, and the car was much faster after it adapted
and this was jb4 alpha (not even beta), when there was an issue with the DCT (power would be cut for an instant at WOT between 2 and 3 and 3 and 4, which was later fixed after logs were done)
I dynoed on a dyno jet stock 287whp, jb4 adapted with 91 octane 349whp, 352wtq.
Real world results by a non-professional on normal street roads, not a drag strip
I never did a 0-60 run again after the Jb4 adapted though (had to return the vbox to my friend)
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