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      02-16-2019, 08:28 AM   #3
pnosker
ti fan
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Drives: 14 12C | 17 X5 50i | 19 M2C
Join Date: Jan 2008
Location: NJ

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Quote:
Originally Posted by falconxx12 View Post
I did know this car could do under 4 seconds 0-60? What is "bootmod3 s55 stage 1?" Is it a software change? Does it increase HP? Does it void warranty?
It's a software tune with ~485 hp/500 ft-lb peak output: https://www.protuningfreaks.com/coll...-bmw-f8x-m3-m4
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