Well, today after dropping the pup off for his surgery. I was napping with the kid and was awakened by a car alarm that sounded very familiar.
Heard the wife go check and it went off again.
So this frikin thing just decided it's gonna start going off at random times after being locked.

I was about to be pissed. Did some quick googling and saw on binmerfest, one guy said it's the hood sensor. That these and the E39s are notorious for that.
Quick check by disconnecting the hood sensor. If it still goes off, it's something else. If not, there's your sign. So mine didn't go off. So I pulled the sensor from the ole E46 M3. It doesn't use it. No alarm. No smg.
Quick swap and bam.
Ales gut.
The sensor from the X5 has seen better days for sure. I'm not sure why it looks like it's been exposed to the elements and the older M3's did not.



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