Though i have noticed, when i'm driving a bit more spirited between 3-4k my shifts tend to be much smoother. I don't know if thats just because i'm more focused on shifting or because it's mechanically smoother. It's not very convenient to drive that way at all times though.
3 stage manifold, custom headers, AA tune, Injen intake, Custom 135i exhaust fitted to 128 mids, blackline tails, Depo headlights w/ 8000k LED angel eyes and xenons, 8000k xenon fogs, Lowered on eibach springs, m3 lower control arms, 264's in anthracite with a red lip wrapped in hankook v12's in 135i sizes with 10mm spacers all around, rolled front and back, pulled front fenders. plasti dipped a custom blue