Quote:
Originally Posted by LeMansX5
This X5 M will be lot lighter than E70 based X5 M.....lot of CFRP in use, now that BMW has stronger relation with SGL group.
Better fuel consumption
Auto Start-stop function
New Head-up Display, which can be programmed to work with M Drive buttons
M-carbon Ceramic brakes as Option
Probably 8-speed M DCT 
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One of the biggest issues I have with current X5M is the 6 speed transmission. Combine that with the 3.91 rear end, your RPM is on 3k cruising the highway at about 85 mph when the car has enough oomph to just be doing 1.5K rpm and save a ton of gas