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jamesmurray jamesmurray is offline
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Posts: 44
Join Date: Jun 2011
Car: 335i
Default BM3 + JB4 meth - 07-07-2020, 01:59 PM

Hi, I've been running a stage 2 BM3 flash on my M240i for the past few months and in the never ending quest for more speed I thought I'd best put my old BMS meth kit to good use (previously fitted to my N54 335). I bought a used JB4 with EWG and have just fitted it today. I would like to run the JB4 either as a standalone meth controller or use map 7 if possible with a small boost additive.

I've been reading through many of the posts on the forum, but I'm not entirely clear of the settings I would need to run for either setup. Could anybody help with the most up-to-date settings that I could use?

I've added a Map 0 log (traction issues in 3rd!) for reference before I start installing the meth kit.


Attached Files
File Type: csv BM3 S2 99ron 3&4th gear.csv (51.0 KB, 65 views)

2016 UK F22 M240i Alpine White

JB4 with EWG, BM3 Back end flash, BMS meth kit CM10, 4.5" dpipe, BMS filter and heatshield
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