I read they do not sell the potentiometers separately -- only as part of the entire airflow unit which is several hundred $$$.

I will pull mine off in the next couple weeks after I get the 260E back on the road and check for the scratches!

You set the voltage to .65v based on its physical bolted on place...there is space for adjustment of the screws if I remember correctly?

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2016 Monsoon Gray Audi Allroad - 21k
2008 Black Mercedes E350 4Matic Sport - 131k
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2003 Gray Mercedes ML350 - 122k