JB4tech.com - International Turbo Tuning Discussion
ITPhil ITPhil is offline
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Posts: 8
Join Date: Mar 2020
Car: BMW X6 50i
Default E71 JB4 Question about Map 1 - 04-04-2020, 09:51 PM

I recently installed a JB4 on my 2012 X6 50i. I only run 93 Octane. When running Map1, My car pulls hard until I hit about 105 - 110 then it stumbles and operates in safe mode, requires me to restart. I am including my log file. Not sure how to read this log file except with Excel. I would like to get a good base tune before installing my ******* *********. Should I change my plugs and coil packs first? Can I safely leave my car set on Map1 for now?

I am trying to follow what I read here: How to Build a 500+WHP BMW N63 for Under $1,500 - BMW Tuning - BMW Performance Tuning Guides, News, Videos

Thanks in advance

Ok, I figured out my Map1 issue, now I am trying to run map 5 auto-Tune I added my log as an attachment. Running auto tune I seem to be overboosting I appear to be hitting 24lbs at 4798 rpm's this puts me in safe mode and I have to reset my car. I would think I could pull back some boost or that the auto-tune feature would lower the boost automatically.
Attached Files
File Type: csv 20200405_1531_runs(1).csv (19.8 KB, 157 views)

Last edited by ITPhil; 04-05-2020 at 12:53 PM.. Reason: Updated 04052020
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