Quote:
Originally Posted by Johnny Boost
Quote:
Originally Posted by Soden82
Hi guys, just wondering if someone could take a look at a log for me. Car is a 11' FBO and JB4 w/ MHD BEF. Seems to be undercutting boost targets by a good 2-3psi. Happens in every gear I log in.
Updated my jb4 to the latest firmware about 2 months ago. Did I need to do anything with the diode before I updated? Not sure what board I have, but purchased the jb4 6/17. Trying to figure out if it's a hardware issue or just something with the jb4 and/or BEF.
https://datazap.me/u/msoden82/bmw-n5...0&data=1-4 |
Quote:
Originally Posted by Soden82
Hi guys, just wondering if someone could take a look at a log for me. Car is a 11' FBO and JB4 w/ MHD BEF. Seems to be undercutting boost targets by a good 2-3psi. Happens in every gear I log in.
Updated my jb4 to the latest firmware about 2 months ago. Did I need to do anything with the diode before I updated? Not sure what board I have, but purchased the jb4 6/17. Trying to figure out if it's a hardware issue or just something with the jb4 and/or BEF.
https://datazap.me/u/msoden82/bmw-n5...0&data=1-4 |
Are you on a stock turbo? That seems pretty normal. You should upgrade your turbo if you want to make more boost up top. |
Yup stock turbo and pump gas. Just thought actual boost should be close to boost targets