[Richard L]

Originally Posted by Schultzey

Sorry the diagram is not clear. The picture says that the polarity does not matter. I will hook up the HFS4's white wire to the eboost side and brown wire to the solenoid valve side.

I did a little more searching and even though this set up was the HFS-6 the function of interrupting the e-Boost's solenoid wires to cut the boost is the same. http://www.bimmerforums.com/forum/sh...n-TTS2-M3-pics

Thanks again!

Let me know how it works out.