System is stock. Suspect something going on with passenger side door lock

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Jim

Best check the wiring from the door tumbler - It branches off to the air pump for the locks, to the conv module and also to the security system.

When you lock the car from the driver door - does the red LED in the centre console flash at 1Hz after a minute?

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2012 BMW X5 (Beef + Granite suspension model)

1995 E300D - The original humming machine (consumed by Flood 2017)
2000 E320 - The evolution (consumed by flood 2017)