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  1. #1
    Join Date
    Jun 2019
    Location
    Santa Rosa Beach, FL
    Posts
    1
    My Cars
    2015 BMW X5 50i

    2015 X5 50i tuning

    A couple of questions regarding tuning options for a 2015 X5 50i:

    1. The Bimmer Performance Center recommended Active Autowerx in Miami to work with on tuning. Has anyone had experience with Active?

    2. I am considering going with the downpipes - what are the pros and cons?

    3. My X5 is bone stock so what other upgrades should I consider to get to a nice sleeper?

    Thanks!

  2. #2
    Join Date
    Jan 2007
    Location
    .
    Posts
    7,708
    My Cars
    .
    Cons are that your exhaust will smell like shit. Pros are that you might squeeze a couple extra ponies out of it. I'd leave the cats, but that's just me. You can leave everything stock, and still tune it and get a boat load of extra power.
    ASE and BMW Master Certified Technician

  3. #3
    Join Date
    Jun 2007
    Location
    Jersey City, NJ
    Posts
    2,038
    My Cars
    2013 X5 35i M-Sport
    1. I havent dealth with AA personally but they are a very reputable company so I wouldnt hesitate to go with them.

    2. Pros- Better exhaust flow, more power (with tune). Con- your gonna get some gas smell with no cats when idling in place. Pro/Con- exhaust will be louder, especially cold start.

    3. Whats your budget?

    VRSF CP & DP | BMS Intake | MHD 2+ Tune | BavSound Stage 1 | 20% Tint
    Contact me for module coding/ECU resets

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