On my way back from Namibia and Kalagadi. Gen 4 did swb. Just before crossing from Namibia into Kalagadi the engine warning light comes on( along with the stability control light . Car runs ok but lights come on and go off. Then after a few days car goes into limp mode for a few minutes at Twee Rivieren. I disconnect the battery and reboot

Seems better but light still on. Long story short eventually a week later am able to connect to diganostics at UpIngton. They say its the boost sensor on the fuel filter. But dont have one in stock. I need to get to George on my way home so call them. No stock. Can order from Jhb. R2800!!!!!!!! For a tiny plastic sensor? Can this be right?
Made it to Beaufort West travelling at under 100 km/hr. Am hoping to pick up the part on Friday in George.
Anyone with similar experience ? Am I just being naive about the crazy price? Or can I do better?