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terrik terrik is offline
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Car: 2018 M240i
Default JB4 with mods? - 03-27-2019, 02:34 PM

Hi all,

Hope I'm asking in the right place. How does adding mods work with the JB4? Lets say I wanted to add a new after market midpipe, or an M performance exhaust to my m240i...is it all just plug and play or do I need to change parameters on the JB4 through the software to make it all work optimally?

Thanks!
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MasterYous MasterYous is offline
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Car: BMW M240i
Default 03-27-2019, 03:32 PM

M performance exhaust should just work.

For other stuff - dig around on the forum - plenty of other users running resdels, c4tless, c4tbax, and other p1pez with JB4 - some folks get CELs and some don't, and some recommend getting the EWG harness to control boost errors. It's not that complicated though and everything usually works without major software configs.


2017 F23/M240i Convertible (B58) / 6MT / FF Wires / EWG Wires / BMS Air Intake / Stock Exhaust / BMS Meth (100%) / 93 Octane
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terrik terrik is offline
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Car: 2018 M240i
Default 03-27-2019, 05:36 PM

Good to know, I probably wont venture much past exhaust parts anyways. Thanks for the info.
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