Diversity in BMW does not work at distances greater than a meter – how to fix it?

BMW driver question

I have a problem with the central lock or keys. The car does not open from the remote when I stand further than a meter from the Diversity (central locking module). Until a week ago I could open it easily from ten meters away. The wiring harness OK. What could be the cause?

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Problems with the central locking system (diversity module) in BMW – how to fix them?

BMW driver question

I bought a BMW 7 a few days ago with a non-functioning central locking system. I went to an electrician where I was told that the Diversity antenna was to blame. I purchased a new antenna and had it replaced in the rear pillar on the passenger side. According to the electrician’s assurances, the problem lies with the receiver, as the remote control is operational. Perhaps it is a Diversity scrambling issue? Please advise.

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BMW does not open / close by pressing the key (remote control)

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BMW driver question

I can’t open or close my car with the key fob. I know there could be quite a few causes. I checked the diversity antenna under the spoiler and made sure there is no moisture there. This module was replaced in 2014. I also opened the key itself and checked the battery voltage – it is about 3.2V. What could be the cause of such errors?

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After a BMW break-in attempt, should the locks be replaced or repaired?

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BMW driver’s question

The door lock and ignition on my BMW were damaged in an attempted theft. Fortunately, the car did not drive away, but the locks were damaged. In this case, should I repair the existing locks or replace them? Please advise, as I have conflicting information on this subject. Read More

Is it possible to make up the keys to a BMW?

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BMW driver’s question

I lost the second key to my car. Is it possible to copy (make) an additional key?

The problem applies to all BMW models.

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