Quote:
Originally Posted by HerkHealer
Wow, that was a super close race.
Was the M550 a 2020 and up though ? The 2017-2019's are about 75 HP and Torque lower.
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I suspect it’s a 2017-2019 as the run of non-locked ECU 2020s seems very small and no one on FB or the M550i forums has a tuned 2020 outside of JB4/Racechip. One of the guys with secondary cat delete and 4psi extra from JB4 did a 10.9 on dragy. XHP is helping some 2017-2019s get into the 10s now, but no XHP for 2020s yet so 10s a very achievable in the 2020s. I’d add that the 2017-2019s in the 10s are likely running e30.
I’ve got a 2020 M550i and I’m pretty sure the ecu is unlocked because of the build date but not sure and won’t be tuning for a few years.