Is the opening of the waste gate. The jb4 n20 tuning kit sells for $529 brand new, and used tunes can be found for closer to $300 For a better answer on logs, i recommend you post the actual link to the datalog and not a screenshot
BMS N20 / N26 JB4, 2012-2014 BMW 320i / 328i / 420i / 428i / 528i
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I have a 2014 328i with 43k miles i bought a jb4 couple weeks back and been running it on map 2 with 93 gas all the time with no downpipe no issues over 1k miles, should i stay on map 2 or go down to map 1.
The jb4 does not require any additional modifications or previous stages Allows full logging and in dash gauges on the stock mapping Bmw jb4 burger motorsports piggyback tuner guide To diagnose and fix turbo lag issues using jb4 data, you need to properly log and analyze the data from your vehicle's engine
The jb4 is a popular tuning device that can provide detailed. I took it easy on the launching, but i still was able to get some good times Not as fast as my old wrx, but as we all know, an f30 328i isn't exactly a drag car. So had the opportunity to hit the dyno and do some testing with the jb4
Car is running 93 octane, k&n drop in filters and on 93 octane gas
Post the logs on n54 tech, the bms guys on there will have a look and get back to you, it's their product so they'll be the best bet for helping These logs are a few 3rd gear pulls with the stock intake back on running map 2 and on map 5 I was wondering if everything looks safe and which map does the car seam to like better? Data logging is essential to ensure your tuned and modified.
