S54 airbox +288/280 schrick on CSL software tune

[Bry5on]

I’ve been interested in tuning my part throttle CSL maps as well. How are you disabling fuel trimming to stoichiometric while driving, and what AFR are you targeting when it’s disabled? Between 2-3k there seem to be a bunch of resonance modes that cause AFR to swing wildly. I’ve tuned it out of WOT by changing target trims and RPM in my WOT map but haven’t figured out how to start with the part throttle map.

[S54B32]

I've decided to tune my swapped E30 S54 by myself, currently already tuned idle and low speed jerks, now I'm tuning maps for partial load on the road and have some issues. I'm using XDF from GitHub for 0401 software. Now I'm stucked on fuel tuning at low rpms- issue is next: lean AFR (15-17 on AEM wideband logs) between 1500-3500 on partial load. I'm adjusting Fuel injection duration load base (KF_TI_N_RF 18x12 map) and problem is that injection time is not rising as it in my map and on logs I see lean AFR. Seems like on this duty injectors are maxed out and injection time is miximized. So I'm going to rise injection end angle map (KF_TIENDE_N_RF 8x6 map). But now I have some doubts- can my stock injectors survive on WOT tests?) Another question is Alpha N map- KF_RF_N_AQ 18x12 map) - is CSL software using this map?

You are changing in the wrong map. 0401 is VE controlled which is different map. Also called often the famous 3 „alphaN“ maps. Sometimes the public xdf‘s are incomplete or wrong scaling, but a great base for your own xdf.

[BMWfanz]

whats VE table ?

https://nam3forum.com/forums/forum/special-interests/coding-tuning/27015-csl-ecu-conversion-and-software/page3

There is a post from SliM3 and map on screen:
And now i want to figure out- is it custom map in his XDF or stock CSL SW map

[ppm008]

whats VE table ?

[BMWfanz]

KF_RF_N_AQ_REL defines the air mass relativ is absolutely needed by CSL, because air mass meter ist gone by acoustic throttle

Also I found info about VE table- like main constant table for CSL software- but not found how it named in CSL software. Any info about it address and location?

[ppm008]

KF_RF_N_AQ_REL defines the air mass relativ is absolutely needed by CSL, because air mass meter ist gone by acoustic throttle

[BMWfanz]

I've decided to tune my swapped E30 S54 by myself, currently already tuned idle and low speed jerks, now I'm tuning maps for partial load on the road and have some issues. I'm using XDF from GitHub for 0401 software. Now I'm stucked on fuel tuning at low rpms- issue is next: lean AFR (15-17 on AEM wideband logs) between 1500-3500 on partial load. I'm adjusting Fuel injection duration load base (KF_TI_N_RF 18x12 map) and problem is that injection time is not rising as it in my map and on logs I see lean AFR. Seems like on this duty injectors are maxed out and injection time is miximized. So I'm going to rise injection end angle map (KF_TIENDE_N_RF 8x6 map). But now I have some doubts- can my stock injectors survive on WOT tests?) Another question is Alpha N map- KF_RF_N_AQ 18x12 map) - is CSL software using this map?