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  1. BMW X Series - Tech Talk For All Gen Of X Series
    Hi Guys, I have a 55 plate X3 3.0d sport auto with 70k on the clock and I'm lovin it. However, I am a bit nervous about the swirl flap issue - can I just remove the swirl flaps and drill/tap them out to 5mm? Also has anyone had an 'ecomomy' remap - rarther than a performance one? And if so...