Quote:
Originally Posted by LiveLarger
I don't understand what you mean with wrong range. From 0 to 100 there isn't that much difference between a 520 and a 525. I would expect the numbers there to be very similar with this kit on. In high speed it's the amount of horse power that matters and this is where the norwegian and belgian 520d models will improve the most.
So what you are seeing here is that the car accelerates harder AND the acceleration stays on hard for a longer time before the amount of effect lose against the friction of the air.
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Since HP in a way is a mathematically result of torque and rpm the problem here is the lack of torque in the upper rpm area.
To avoid the HP to increase abouve 163 Hp the torque curve is reduced at an earlier point than with the 184 HP version.
That is why our 163 HP version feels week at high speed and high rpms.
With the tuning kit you will keep the torque much longer in the rpm range. As a result the HP will be much higher in the upper part of the range.