N54Tech.com - International Turbo Racing Discussion
Xm4tr1x Xm4tr1x is offline
New Member
Posts: 3
Join Date: Apr 2018
Car: 08 335i
Default Help understanding my power limit - 08-09-2019, 06:33 PM

Hi Guys, I'm hoping someone can help me understand why my tuner stopped where he did, he said on the 3rd revision "this will wrap it up" and with no reply to my further questions, so i ask the N54 community whats the go here, I've just done a full major on engine and tranny, replaced turbos and all leaking gaskets, Current Modifications: DCI 2" inlets TD04 17T turbos, Outlets, 7" HD FMIC, CP, Turbosmart Diverters, N20 TMAP, Upgraded PCV, OCC, Dumps, BMS oil cooler mod, xhp stage 3, index 12 injectors running 98ron

here are my 3 logs from from each revision
my questions are:
why is the last rev lower in target psi?
why did he stop am i at the limit of something?
can i make more power on 98?

see attached CSV files from each rev

any info will be greatly appreciated, thanks again

Last edited by Xm4tr1x; 08-09-2019 at 07:47 PM..
Reply With Quote
Rule77's Avatar
Rule77 Rule77 is offline
Junior Member
Posts: 87
Join Date: Jan 2019
Car: 08 E90 335i
Default 08-09-2019, 07:12 PM

You need to upload cvs files for anyone to look at your logs.

08 E90 335i
Montego Blue
BMS Cowl Filters
VRSF ⬇️ Pís
BMS Chargepipe
BMS Pedal Tuner
NGK 97506 @ .022
H&R Springs
19' 666m Wheels
Reply With Quote
Xm4tr1x Xm4tr1x is offline
New Member
Posts: 3
Join Date: Apr 2018
Car: 08 335i
Default 08-09-2019, 07:44 PM

Originally Posted by Rule77
You need to upload cvs files for anyone to look at your logs.
Thank you,I have edited OP
Reply With Quote
Terry @ BMS's Avatar
Terry @ BMS Terry @ BMS is offline
Posts: 29,533
Join Date: Jan 2008
Default 08-09-2019, 08:37 PM

Can only help you with JB4 logs on this forum, sorry!

Burger Motorsports
Home of the Worlds fastest N20s, N54s, N55s, S55s, N63s, and S63s!

It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways. Please click here for more information on legal requirements related to use of BMS parts.
Reply With Quote
LessIsMore's Avatar
LessIsMore LessIsMore is offline
Inner Circle Member
Posts: 1,127
Join Date: Aug 2012
Car: 2009 535i Sport SAT
Default 08-11-2019, 06:26 PM

Im used to JB4 logs so didnt spend much time looking but my guess based on mods is fuel volume, you probably need CPI or PI. Also would get bigger/denser IC.

2017 AMG C63 -JB4
2009 535i - 548whp - sold
Reply With Quote

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump

vBulletin Skin developed by: vBStyles.com
Copyright © 2007 - 2018, N54tech.com