Quote:
Originally Posted by IK6SPEED
Follow the instructions.
4) change car build date (Zeitkriterium) up to at least a 2015 Model Year (07/14) in VO.
5) update car to latest istep level
6) Performed a "TAL-Calculating" and then a "TAL-Processing" to update the IHKA3 BTLD, SWFL and CAFD files.
7) Run Rheingold to clear all warnings and errors before starting your vehicle.
8) Start vehicle and run it until the A/C LED stops blinking.
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I think the most important thing here is step 5, if your car isn't up to a certain level then the IHKA3 may not be visible. When I retrofit IHKA3 my 2013 production year car had already been updated to a late 2015 i-step so the module appeared in e-sys, I did not have to do step 6 (aka flashing the module). I only had to inject cafd and it worked.