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1-19 of 66 Results
  1. 3.0t
    Hey everyone, I have a 2021 Q50 Luxe. I notice when I run Map 1 on 91 octane, whenever I full throttle the car, it's very slow for a good 4-5 seconds, and the rpms VERY slowly go up, then the boost kicks in, and the car accelerates quickly. What is the cause of this problem? I understand these...
    jb4
  2. Q50 Parts
    Used Bluetooth JB4 for sale. I'm selling it because I got tune by Z1 Performance and have no need for it anymore. Free Shipping to lower 48. I don't have the red caps for the fuel wires but you can easily purchase those online or run the jb4 without them. PM me any questions.
    $345 USD
  3. Infiniti Q50 Classified Forum
    Hope everyone's alright! I used this kit for a very short time before going another direction. I can provide my specific map 6 for whoever purchases it.
    $1,000 USD
  4. Q50 Parts
    JB4 w fuel wires. Professionally installed and removed. Went all in w ecutek tune, but great system. Gives you access to clear and read engine codes
    jb4
    $300 USD
  5. Q50 Parts
    Selling my Jb4 used flawlessly in my Q50 Red Sport for 3 years. I'm now ECUTEK tuned (Btuned) and no longer need this unit. Included: JB4 Unit Fuel Wires (Installed) Original Data Cables Posi taps Price: $350 Shipping: Continental U.S. Only
    $350 USD
  6. What Did you Do to Your Q50 today
    Naturally, I decided to install my new JB4. Installation Installation went well, the actual hookup took less than 5 minutes, even though I skipped the fuel wires because I would rather find some piggyback harnesses instead of a Posi-tap. However, I decided to do the OBD cable the "right" way...
    jb4
  7. Q50 Parts
    Seeling my jb4 with fuel wires and bluetooth kit.New is 680 selling it for 500.
    $500 USD
  8. Q50 Parts
    Used for a few thousand miles no issues Price is shipped to your door , buyer pays pay pal fees.
    jb4
    $425 USD
  9. Q50 Parts
    2 HKS Blow off Valves Torque Solutions BOV Install Kit Pre Cut vacuum lines and all necessary parts for install JB4 with Bluetooth Module to use on your IPhone or Android, also has fuel wires included Complete Kit to install BOV’s and JB4 nothing else needed everything is included Willing to...
    $800 USD
  10. Q50 Parts
    Going with full tune from Racebox. No longer needed. Let's make a deal. Buyer pays Paypal and shipping fees.
    jb4
    $375 USD
  11. Engine Performance Data Logs Discussion
    Hello All, First post here! I have about 50k miles on my 2018 Q50 Luxe AWD. Bought it with 9k miles. I've been running my Bluetooth JB4 w/FW for about 25k miles and have ran just about all the maps except the custom map. I thought I'd give it go yesterday and log a few runs. First thing I...
  12. $400 USD
  13. Q50 Parts
    Bought this late 2021, along with the CAI and BMS heat exchanger. I ordered a ‘22 F250 Platinum several months ago and took delivery this weekend. I sold the Q over the weekend with the CAI but removed the JB4. Never opened the heat exchanger. So, I will sell the JB4 for $450 shipped and anyone...
    $450 USD
  14. Q50 Parts
    Over $CAN600 new for 3.0t Q50 Less than 12 months old. Installs in seconds. full details here: https://burgertuning.com/products/stage-1-bms-q50-q60-3-0t-performance-tuner Located in Hamilton, Ontario. DM if interested.
    $400 CAD
  15. Q50 General Discussion Forum
    Hi everyone wondering if anyone could help me out real quick. i have a AWD 16 red sport with stillen CBE AMS HEX AMS LDP Stillen CAI. I was thinking about a tune but wasn’t sure if I’m ready for it, it’s a bit pricey and I started school again so not working as much so I was thinking about the...
  16. Q50 Parts
    It's got the adaptors for the Fuel & EWG wires the guy from ebay used to sell. I never hooked either up-if adaptors don't work they're easy to remove. Has the Bluetooth dongle too. Asking $400 (plus however much shipping) for all of it. Shipping from Mesa, Az.
  17. Q50 General Discussion Forum
    Right now I’m running a jb4 instead of ecutek tune because of my warranty. I got full 3 inch exhaust 3 in LDP and ams cai. I’m trying to make the most power I can out of it and I’m wondering if lpfp and hpfp would be beneficial without real tune. Already plan on getting fuel it flex fuel so I...
  18. Q50 Parts
    What: Listing my JB4 with Bluetooth. Retail right now goes for $670. The unit and all harnesses are in perfect working condition. Price: Asking for $460 firm. Local sale is preferred. Location: West Palm Beach, FL I can meet half-hour in any direction from WPB. Reason for sale: going Ecutek.
  19. Q50 General Discussion Forum
    What is the difference between JB4, ecutek, or going into a shop for a tune? Idk what the differences are between these. Would a shop use a jb4 or ecutek or do they use something else. I see a lot go with ams ecutek and others go with jb4. Also do these come with instructions. I’m really kinda...
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