Hi all BMW sifus, I collected my car on mid of oct 09 from AB glenmarie after accident repaired, since I got my car, I found that the car performance is much more worst than before, especially the engine acceleration, not smooth at all, it respond same delay when I do acceleration on static time. I sent my car to AB last week for 1 week time and they said nothing wrong. Anyone here encounter this problem before? Please advise me. I went to my service workshop yesterday and mechanics advice me to send back the car for engine and gearbox tuning. I will do it on next monday.