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In this video you join me replacing the top throttle position sensor on a 2003 e46 M3 due to the "EML + Traction control" light pinging on during start up and driving.
0:00 - Intro
0:58 - The symptoms I had with the TPS fault
3:05 - What is a throttle position sensor & how it works
4:18 - Should you buy a genuine sensor?
5:09 - Replacing the sensor