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  1. Infinity Design long tube headers - review, dyno graph, Dragy runs

    E60 M5 and E61 M5 Touring Discussion
    Always has bother me, does all the LTH on the market could makes really a difference comparing to the budget option of just de-cated stock ones?! Unfortunately there is not much back to back comparisons, or actually not at all, of a decated to LTH. It has been some time that I was having...
  2. Disreputable business practice - Fast Attack Motorsports

    E60 M5 and E61 M5 Touring Discussion
    I highly urge that anyone considering making a purchase with @jcolley at Fast Attack Motorsports, whether it's for S85/S65 parts or the FAMS tune, not purchase anything from him.. at least not until he can prove he's got his **** together. I placed an order with him mid-December for S85 rod...
  3. FAMS vs. GINTANI (or neither?)

    E60 M5 and E61 M5 Touring Discussion
    Based on reviews and what I’ve researched, the best overall tunes that don’t require a dyno seem to be these two. Which one is better? I was going to pull the trigger on FAMS until I heard unsettling stories of blown pistons, and Gintani has a credibility issue? Tuners also laugh at the idea...
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