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I don't know how Ryan does it. I switched over from another mainstream tuner and it's completely changed the way my x5d drives. The power comes on instantly unlike with the other tune where it would feel like it's slowly building up power over the the rpm range. I've been running xdelete since the beginning of summer and now I'm considering going back to xdrive as the rears (315) keep breaking loose. Even when changing lanes I find myself not even switching into S on the trans to get that extra passing power. I'll share more as I put more KMs on
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