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striperfest striperfest is offline
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Car: 2018 M3
Default New to JB4 - 02-14-2020, 05:00 PM

Hello folks,

Hoping for some help here. I have a 2018 M3 non CP.

I have intake and exhaust and run 91 Octane Fuel

I'm going to get this JB4 installed soon and wanted to know what stage to tune it to.

Also, how much HP gain will this get me given the current mods I have?

Also, is this install job a DIY or should I bring it in to a shop? The shop quoted me $175 an hour, and a two hour job.

I'm not super handy but I did install my intakes myself.

TIA!
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Terry @ BMS's Avatar
Terry @ BMS Terry @ BMS is offline
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Default 02-14-2020, 06:39 PM

Should be good with map2! DIY, should take you 30-45 min the first time.


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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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Payam @ BMS's Avatar
Payam @ BMS Payam @ BMS is offline
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Default 02-17-2020, 09:03 AM

Quote:
Originally Posted by Terry @ BMS
Should be good with map2! DIY, should take you 30-45 min the first time.
Agreed, with $20 in tools you should be good to go with installing it yourself!

We have install video on youtube


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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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sicck_m4 sicck_m4 is offline
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Default 02-18-2020, 10:27 AM

Simple install. If you installed the intakes yourself, you should be able to install the JB4. I would install the full harness so you won’t be limited to certain maps. Also makes it easy to install the EWG harness with the left side intake off which you already know how to remove/install.
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