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BMW 5-Series (G30) Forum iDrive, Audio, Bluetooth, Phone, Cameras, Electronics + Coding Increase max additional speed for Speed Limit Assistant?

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      06-09-2022, 02:35 PM   #1
sstyle
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Increase max additional speed for Speed Limit Assistant?

I can not find any info how to change max value of additional speed for Speed Limit Assistant. OEM value is +15km/h (or +10mph).

What I found:
1. HU_NBT has coding that we can adjust:
VOFFSET_MAX_KMH: p_14 [07] -> 0A (20km/h)
VOFFSET_MAX_MPH: p_10 [0A] -> 0F (15mp/h)
VOFFSET_MIN_KMH: n_14 [07] -> 0A (15mp/h)
VOFFSET_MIN_MPH: n_10 [0A] -> 0F (20km/h)

Now we can see this values, but still can not select. So then we code BDC_BODY:
VOFFSET_MAX_KMH: default [07] -> 0A (20km/h)
VOFFSET_MAX_MPH: default [0A] -> 0F (15mp/h)
VOFFSET_MIN_KMH: default [07] -> 0A (20km/h)
VOFFSET_MIN_MPH: default [0A] -> 0F (15mp/h)

Done. We can select 20km/h from NBT menu.

Now we press LIM button. Speed limit assist (SLA) change value properly. BUT SLA disable and NBT menu grayed out after just 3 sec. How to fix this? Reboot SAS! And buttom will work again....for 3sec..


SAS has coding too, I tried this but does not work:
C_SLA_v_Offset_max_kmh: wert_00 [03] -> 04
C_SLA_v_Offset_max_mph: wert_00 [02] -> 03
C_SLA_v_Offset_min_kmh: wert_00 [03] -> 04
C_SLA_v_Offset_min_mph: wert_00 [02] -> 03
C_ISA_v_Offset_max_kmh: 15 [03] -> 04
C_ISA_v_Offset_max_mph: 10 [02] -> 03
C_ISA_v_Offset_min_kmh: -15 [FD] -> FC
C_ISA_v_Offset_min_mph: -10 [FE] -> FD

Also DSC has close coding, but also does not help:
C_ISA_v_Offset_max_kmh: wert_00 [03] -> 04
C_ISA_v_Offset_max_mph: wert_00 [02] -> 03
C_ISA_v_Offset_min_kmh: wert_00 [03] -> 04
C_ISA_v_Offset_min_mph: wert_00 [02] -> 03
C_SLA_v_Offset_max_kmh: wert_00 [03] -> 04
C_SLA_v_Offset_max_mph: wert_00 [02] -> 03
C_SLA_v_Offset_min_kmh: wert_00 [03] -> 04
C_SLA_v_Offset_min_mph: wert_00 [02] -> 03

May be you have some ideas?

Here is a full dump of all OEM codings for all related to 5AT modules:
https://www.dropbox.com/s/d4eugiqbz5...1_5AT.txt?dl=0
Appreciate 0
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