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Likely pulling timing or limiting boost down low from launch. Most likely ecu software issue. This car rips when you floor it from a roll. Sucks that the dme is locked right now as I bet a tune would easily work out the issues. I will be following this thread. I only have 1,600 miles on my 2021 550, but I got a dragy and I am on performance tires in texas. So, I'll have to find a road by my house and try launch control soon.
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