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      02-17-2019, 06:21 PM   #48
Stubbie Blue
Private First Class
United_States
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Drives: 2012 135i Coupe
Join Date: Mar 2017
Location: Florida

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Quote:
Originally Posted by doane2u View Post
Stubbie: BMW is using some sort of AC signal riding on the DC. A simple rectifier was all that was needed. I found one on Amazon for $10 and it solved the problem. You don't need a switching relay. click here
That's good to know. I don't really know much about electronics but perhaps the PAC CSS12 noise filter that I used also does the job of a rectifier?
https://www.amazon.com/PAC-CSS12-Pas...dp/B000CEDZBA/