E38 TAC Chip Access (Throttle Opening Rates) ??

Hi All

Just wanted to see if HPT have finally gained access to the TAC chip in the E38 ECM?

I was told by a friend that HPT where trying to make these tables accessible but that was a while ago.

As most know if you tinker with the throttle opening rates and if they differ by more then 3% from what the TAC chip is set to, it'll throw a code.


Thanks in advanced.

To solve the DTC problem: Edit -> Add slave segment is what you're looking for, it adds 2 tables under Engine Diagnostics -> Airflow related to P1516. Good info in this thread: https://forum.hptuners.com/showthrea...l=1#post479007