A modern car stereo is really a cell-phone chip and OS that plays music. Putting one in an older vehicle can be a bit tricky, as Paul Rako found out. Like a lot of engineers, I enjoy working on my own ...
In this video, I upgrade the head unit in my BMW e90, a process relevant for all BMW 3 series models e90, e91, e92, and e93. I evaluate the Joying head units, confirming their compatibility with both ...
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