So the 3.5i will have the same 0-60 as the outgoing 4.8, which is 6.4 seconds... Not, 4.8 has 350hp@350lb/ft engine, while 3.5i has 300hp@300lb/ft engine... Some one please explain to me how they managed to get the same 0-60 with less powerful engine... Does the new 8-gear tranny have anything to do with that?

I have N54 in my 335, it is a powerful engine, N55 is a bit faster on achieving hp/torque by 0.5 second...

Can't wait to drive it (the 3.5i)...

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His : 2013 X5 3.5d Deep Sea Blue/Black/Aluminum with ALL packages, 20" 214"s, running boards, Adaptive Drive, Spare Tire, BMW Apps
On Order : 2016 X3 3.5 MSport Silver/Mocha with DHP, CW, Prem, Tech, DA, Lighting

Hers : 2015 328xi MSport Silver/Red

Prior:
2008 X5 4.8
2011 X5 3.5d
2010 335 xDrive
2013 335 xDrive