Just bringing this thread back to life a little with a video showing a racer doing double-clutch heel&toe shifting. Obviously from the sound of the transmission, it has straight cut gears and no synchros....
Here's another, but it is not as clear with regards to the view of the feet on the double clutching....
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Scott
2024 G01 X3 M40i, Brooklyn Grey Metallic /// 2015 F15 X5 35i, Space Gray Metallic, 99K miles /// 2013 F30 320xi, Mojave Metallic, 112k miles
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