I also just picked up a 2018 M3 and have a Escort Passport MAX and having the same issue with false laser alerts constantly, it is so annoying that I have took it out of the car. Fortunately, my buddy is President of Radenso so I am going to try out both their Pro-M and XP radar detectors and see if the issue occurs with them also, if not i'll get one from him and sell the Escort...technology is a bit outdated in my model anyways.
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I.G. double_d_1310
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