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Discussion Starter · #1 ·
So I own a 2005 330ci, about a month ago I had bmw put in the dinan stage one software. I recently replaced all four of my tires and ordered new control arms and bushings. Recently the car has been acting funny, it seems to have much less power then it did after the dinan software went in. Its almost as if the car is shifting to early(automatic) it also seems to lag quite a bit and sometimes will simply take off like a rocket up around the 3k rmp range. I have researched and it sounds like it could be the vanos but what is confusing to me is the shifting? It is shifting very early and sometimes almost erratic? Any help would be greatly appreciated. thanks
 
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