N54Tech.com - International Turbo Racing Discussion
iwillit iwillit is offline
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Join Date: Dec 2021
Car: 2015 M4 + 2016 M235ix
Default S55 jb4 + mhd + meth on 91 - 12-03-2021, 12:26 AM

My M4 has ******* dp, track exhaust, intake. What settings should I use and how much whp can I expect on 91? I currently live in FL running custom 93 550 tune. Will the jb4 or mhd save my current maps?
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Cannon @ BMS Cannon @ BMS is offline
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Posts: 362
Join Date: Sep 2021
Car: Evo VIII
Default 12-03-2021, 10:51 AM

Start uploading logs for guidance. Thanks!

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