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Originally Posted by X5/40i
Well that’s good to hear actually, at least we know you try it in real world situation, does it make difference with the race chip? Is more like pulling power or something else? And yeah I know your car is heavier than the x5 but I can get the idea. Let me know.
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I got the RS (+50hp) and feel the extra power. It pulls harder. When accelerating It feels like the car keeps going and going instead of loosing steam. ( hope that makes sense) . I picked up my car recently from service and really felt it heavier and a bit under power. As soon as i got home put it back and much much better.