wmi

  1. markspeed

    N63TU Tuning Journey

    Since there's not much tuning love or data for the N63TU, I thought I'd share my tuning (and learning) journey backed by logging and performance data. Hopefully there are useful bits in here both for those new to tuning and for the die-hard gearheads. The car is a '14 550xi and all the runs...
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