[RdG]

I want to upgrade my G20 348/345mm M sport brakes to 395/370mm X3M brakes. I understood that coding the DSC to Alpina brakes is required to update the brake bias of the vehicle safely.

I'm looking for a manual or a how to for coding the DSC from M-sport brakes to Alpina brakes (=same size as X3M).

Does someone know how to do this or know where I can find a clear description for this process?

[MichaelNRW]

I´ll try to calculate the parameters that change later today and let you know.

[RdG]

thanks, looking forward to hear from you

[MichaelNRW]

These should be the relevant parameters for the Alpina break in 395mm.

Left M sport brake -> Right Alpina 395mm brake

C_BBV_Belagdicke_Neufahrzeug_VA_c: 13,4mm [02] <-> C_BBV_Belagdicke_Neufahrzeug_VA_c: 13,25mm [01]
C_Cp_Vorderachse: 9_ECE_BR9 [09] <-> C_Cp_Vorderachse: 0_ECE_BR0 [00]
C_Variante_Bremssattel_vorne_e: P4.40_44_17 [05] <-> C_Variante_Bremssattel_vorne_e: Alpina_19Zoll [08]
C_Teilliste_BTM_VA_c: wert_5 [05] <-> C_Teilliste_BTM_VA_c: wert_6 [06]
C_Teilliste_CCC_c: wert_5 [06] <-> C_Teilliste_CCC_c: wert_17 [12]
C_Teilliste_FBS_c: wert_4 [04] <-> C_Teilliste_FBS_c: wert_5 [05]

[RdG]

thanks for the info, this is only valid for the front brakes I assume?

I'm also planning to upgrade the rear brakes from 345 to 370 mm discs and calipers or is this not necessary as the brake caliper is equal in size?

[MichaelNRW]

The calculation wasn´t based on a Alpina VIN so it may not be complete.
If someone has a european B3 VIN, i could try to directly calculate with Alpina values.

[RdG]

I have found two European VIN numbers.

Alpina B3 touring 2022 model:
WAPBG2100NFV30534

Alpina B3 touring 2024 model:
WAP11GL090FS14990

[MichaelNRW]

Seems like it doesn´t work with Alpina VINs.
Can´t create an VO and the usual sites can´t list the data.

[Tox888]

Hello! I have this same setup on my BMW G22.Do you found the correct coding? If that help the typeschlussel for Alpina with 395mm brakes is 81AW.Thanks a lot!

[RdG]

Originally Posted by Tox888

Hello! I have this same setup on my BMW G22.Do you found the correct coding? If that help the typeschlussel for Alpina with 395mm brakes is 81AW.Thanks a lot!

No I haven't coded them yet, still need to install the brakes.
Did you succeed coding and does someone know if coding the Alpina brakes is possible with Bimmer Utility?