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15MCSJCW 15MCSJCW is offline
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Car: 2015 Mini Cooper S JCW
Default 25psi on JB+ - 05-07-2019, 06:26 AM

Hi guys and gals. This is my first post on here. I Have a 2015 MCS w/JCW tuning kit (ECU Remap, and high-flow catback), a K&N Panel filter, and a JB+. I also installed a nm boost-tap and a Prosport Premium boost gauge. I run 93 octane Sunoco gas only. Last night I installed my JB+ at a 4 o'clock setting. At some point last night my car hit a peak boost of 25psi. Should I be concerned? This seems crazy high to me, as the most I have seen without the JB+ is about 15psi. I live in Ohio at about 600ft above sea level. Any information would be greatly appreciated. Also, does anyone think with these mods that I should go with a step colder of a plug?

Last edited by 15MCSJCW; 05-07-2019 at 06:32 AM.. Reason: further details
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Terry @ BMS's Avatar
Terry @ BMS Terry @ BMS is offline
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Default 05-07-2019, 08:15 AM

It depends on the RPM you're hitting, but without a full data log it's difficult to know. You can always turn the dial back if it doesn't pull smoothly.


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15MCSJCW 15MCSJCW is offline
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Default 05-07-2019, 08:23 AM

Quote:
Originally Posted by Terry @ BMS
It depends on the RPM you're hitting, but without a full data log it's difficult to know. You can always turn the dial back if it doesn't pull smoothly.
It pulled just fine. My concern is catastrophic engine failure.
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Default 05-08-2019, 08:46 AM

You've want to evaluate it with logging tools, checking timing, and air/fuel determine whether it's safe. Since you're flashed you have a unique situation so I'd suggest starting mild with the JB+ setting.


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It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways. Please click here for more information on legal requirements related to use of BMS parts.
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