Quote:
Originally Posted by Naambezet
It is, because of the gearing you'll have more torque on the wheels than a higher gear.
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Actually, no. The torque at 5000 rpm in 4rd is substantially higher than for 6500 rpm in 3rd. This is especially true for the N55
which falls off at high revs more than the N20 does.
Ideally, you want to shift up so the minimum torque for the rpm range you run the two gears under is as high as possible. But that assumes no cost for the shift itself, and that you always accelerate to top speed, which is seldom the case. So in practice, you drag each gear a little longer than optimal, which lessens the risk of you having to shift up and down again and lose time shifting.
But for the DS setting, it truly drags out the gears on the N55 far more than what's optimal. Which I believe serves the same purpose as the engine sound fed to the speaker in the M5.