I have a 09 X5 4.8 with about 10k km on it. I feel the lag a lot. I will push the accelerator down, and the car will hang there and then finally throw me back. When going slow, the car jerks a lot as well. It is the same in DS, although it is a little faster and louder. I see myself switching many times between D and DS during my drive.

BTW, is the DS supposed to stop faster? When I am driving slow in traffic and take my foot of the brake to let the car roll, it seems to stay steady until I push the accelerator. Then when I take my foot of both, the car starts noticeably slowing down on its own (As if the break is being pushed) unlike the normal D.

__________________
2011 ///X5 M (On Order)

2009 X5 4.8 M Sport Space Gray/Black Fully Loaded

2007 GMC Yukon XL Denali Loaded and Customised