I found the pin outs for the throttle body my using
https://www.pss-autosoft.net/diagrams.php

And all 6 wires had continuity. So I was very hopeful the new throttle body would resolve, but it did not.

I don't know what to troubleshoot, I hate throwing money at parts that I don't need.

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2002 X5 4.4i sport/NAV/ski - upgrades: electrochromatic mirror, aluminium pedals, tinted front windows, 20" rims, //M wheel w/ paddle shifters, CarPC (CarX)