E46Fanatics - View Single Post - No crank / no start 2004 330xi
View Single Post
Old 01-15-2020, 05:37 AM   #6
markusmarkus
Registered User
 
Join Date: Jul 2008
Location: USA
Posts: 9,674
My Ride: 2018 M240i
Your understanding of the power distribution is correct. The jumper post is where 3 cables come together. One cable goes directly to the starter and the other to the fuse boxes.

Yes the starter needs 12VDC from the battery and a voltage from the EWS. I believed itís also 12VDC.
markusmarkus is offline   Reply With Quote