Thread: JB4 with mods?
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MasterYous MasterYous is offline
Posts: 332
Join Date: Aug 2017
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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