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      09-17-2020, 03:22 PM   #87
rice_rocket88
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Drives: E60 F48 F39
Join Date: Mar 2019
Location: Boston

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Great to hear it went well for you! I agree, all my experiences with the JB4 have been massive improvements, but again.. seeing every single piece on any tune of the m35i engine said "30 hp" which I am pretty sure that is it. It's possible that the turbo just is maxed out on airflow. I didn't see the errors/resetting as you mentioned. xcelir8bmw I think that 2psi is fine, as mine is running at 2.5psi more. As I was saying to Davy Jordi, I am not sure if the dinan or JB+ will throw a code or hit boost cut since it is fooling the MAP sensor into giving it more boost. The whole JB4 unit itself, however has a lot more going on so the best would be just to plug it in and log it and see how it goes. Glad you are liking it!
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