Does anyone know how to obtain Ista? I need to update my I-Level and Ista is recommended over E-Sys. After my catless downpipe install I have been experiencing the surging idle. The technical service bulletin from BMW states that the software update fixes the issue.
allenj125
Ista download link
Does anyone know how to obtain Ista? I need to update my I-Level and Ista is recommended over E-Sys. After my catless downpipe install I have been experiencing the surging idle. The technical service bulletin from BMW states that the software update fixes the issue.
FMIC, catless DP, MHD stage 2+ E30, NGK 97506
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