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    Emira JB4 Tuning Now Available for I4 & V6 Cars!

    Kaz super curious about the methanol install. Impressions, advice, description etc!
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    JB4 Thread for Lotus Emira AMG i4 (M139 Engine) – Tuning, Setup, Results & Support

    KAZ thank you for the info. Look forward to your detailed report! Car runs phenomenal on map 4. E3O map. I have a 55 gallon barrel in my garage. Torco race fuel is local and delivered a barrel for me. 17 gallons of torco E98 and three gallons of unleaded race gas ( unnecessary but why...
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    Emira JB4 Tuning Now Available for I4 & V6 Cars!

    It’s been a while since I have needed to clear a code, but from what I remember it was very tricky to get the car in ignition mode and connect with JB4. I had the GRP downpipe on my car and was getting codes for post cat and pre cat o2 sensors. Post cat was expected. I went back to stock...
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    Upgraded Intercooler

    Pics.?
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    Emira JB4 Tuning Now Available for I4 & V6 Cars!

    I believe JB4 ( Burger ) just added a couple of gallons of ethanol to 91 octane to get to 93 octane. You could certainly add a couple gallons of 100 unleaded to 91. Ethanol ( E98 ) has an approximate octane of 105.
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    Custom Floor Mats For Emira

    How about yellow stitching option?
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    JB4 Thread for Lotus Emira AMG i4 (M139 Engine) – Tuning, Setup, Results & Support

    400HP US version. Power figures are at the wheels. Hub dyno. Supposedly a stingy dyno that.
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    JB4 Thread for Lotus Emira AMG i4 (M139 Engine) – Tuning, Setup, Results & Support

    One of the stock pulls. Another had slightly less torque but almost identical HP. This might have been map 0. With GRP downpipe.
  9. IMG_4706.webp

    IMG_4706.webp

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    • Category: Lotus Emira Engine - Turbocharged 2.0l
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    JB4 Thread for Lotus Emira AMG i4 (M139 Engine) – Tuning, Setup, Results & Support

    E30. Car feels great.
  11. IMG_7381.webp

    IMG_7381.webp

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    • Category: Lotus Emira Engine - Turbocharged 2.0l
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    Non-Carbon Fiber Front Splitter Option?

    What if I want the sticker lol?
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    JB4 Map 4 with Draggy Pro Run!

    Impressive time! Take it for what it’s worth I was curious if JB4 accounted for the ethanol in the pump fuel. Terry recommended putting in 4-5 gallons of E85 per tank. So basically they did not.
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    Hello fellow Arizona owners!

    New Emira i4 to go with six speed Evora GT
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    DSC00639-2.webp

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    • Category: Lotus Emira Regional & Events
  16. IMG_4734.webp

    IMG_4734.webp

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    • Category: Lotus Emira Regional & Events
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    USA i4 Emira P2541 - Low Pressure Fuel System Sensor Circuit Low

    What obd2 scanner are you using? Looks like it gives is useful data as to parameters when CEL was triggered. Thanks in advance.
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    Emira JB4 Tuning Now Available for I4 & V6 Cars!

    I4 here but non the less tank would fit in the trunk just fine. I believe someone has already mocked up a two gallon tank.
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    P2CEF fault code?

    How many miles on your car?
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    Windshield internal crack

    Had tint done. Installer noticed similar crack.
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    Emira JB4 Tuning Now Available for I4 & V6 Cars!

    Add a few gallons of 100 octane or appropriate amount of Torco or VP race gas additive each fill up. Kind of a pain but an alternative where 93 is not available ie AZ and California
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    Water methanol.

    Has anyone seen this kit. I would think it would work and be beneficial in the Emeria i4 platform. https://www.weistec.com/mercedes-benz-m139-water-methanol-injection.html
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