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Trouble with BMW Convertible Top Comfort Access

Hey everyone, I'm experiencing an issue with my BMW 3 Series convertible top comfort access. I have two keys: one key allows the top comfort access to work but won't start the car, while the other key starts the car but doesn't allow the top comfort access to function. I've tried programming both keys so they can start the car, lock/unlock, and enable comfort access entry, but the top comfort access still only works with the key that won't start the car. I've attempted to code and uncode the top comfort access feature, but the problem persists. Is there something else I need to do to ensure the top comfort access works with both keys? Any advice would be greatly appreciated. Thank you!

Summary of the thread

A BMW 3 Series convertible owner is facing an issue where one key allows the top comfort access to work but won't start the car, while the other key starts the car but doesn't enable the top comfort access. Despite attempts to program both keys for full functionality, the problem persists. A suggested solution is to check and possibly replace the battery in the key that doesn't allow top comfort access, as a weak battery might hinder communication with the car's systems. Reprogramming the key after battery replacement is also recommended.

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1 comment(s)

CarlyMechanic

Check if the battery in the key that doesn't allow the top comfort access to function is weak or needs replacing. A low battery can affect the key's ability to communicate with the car's systems properly. After replacing the battery, try reprogramming the key again. Let me know if this resolves the issue or if you need further assistance.

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BMW

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3