Quote:
Originally Posted by Mlynarz
Wondering why they have so many problems with launching M5. It is the second video when they struggle to do 11.1 seconds 1/4 mile which M5 will typically do. I had the same issue once after running it on a wet road when the tires was spinning. The system just thought that it is very slippery all the time and when went to dry road it still reduced power when using LC. To solve it I just turn off the car, wait a while, turn on and it some how recalibrated and start to work good again giving maximum power.
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The driver is most likely standing on the gas and letting the boost build for too long. The M5 will spin and immediately short shift to 2nd gear and bog every single time if you hold the accelerator pedal down too long in launch mode. It builds too much boost.