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Wireless key access not working every time.

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Old 05-04-2018, 04:26 PM
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f80 M3
Wireless key access not working every time.

I’ve tried both keys. When I approach the car it is not opening the door sometimes. Am I missing a setting or doing something wrong. Car is only a few weeks old.
Old 05-04-2018, 04:48 PM
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try new key battery.... ours didn't last long on the new Cab...
Old 05-04-2018, 05:25 PM
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For the first time today my door did not automagically unlock when I grabbed the handle. Tried a couple of times, but nothing happened.

Unlocked with the key fob just fine.

Only thing I can think of is that a little earlier I had run down the windows to help keep the car cooler, then using the key fob I double pressed and held the lock button to raise the windows remotely.

Checking the manual I found that pressing the lock button twice disables the keyless go feature.

I should have pressed and held the lock button rather than double clicking it.

May not be related to your problem, but thought I'd pass it along just in case.
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Old 05-05-2018, 10:22 PM
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E63 2018
Originally Posted by E634Me
For the first time today my door did not automagically unlock when I grabbed the handle. Tried a couple of times, but nothing happened.

Unlocked with the key fob just fine.

Only thing I can think of is that a little earlier I had run down the windows to help keep the car cooler, then using the key fob I double pressed and held the lock button to raise the windows remotely.

Checking the manual I found that pressing the lock button twice disables the keyless go feature.

I should have pressed and held the lock button rather than double clicking it.

May not be related to your problem, but thought I'd pass it along just in case.
It is exactly what you said, once you pressed the lock button on the key, the car will not unlock by just putting your hand on the handle. My suggestion is never lock the car with the key button, just lock it by putting your hand on the door handle to lock it.
Old 05-06-2018, 02:02 AM
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We lock ours with the lock button on the Fob almost all the time and always unlock the car by just touching the door handle. It works every time. I think the only problem would be if the lock button on the Fob is pressed twice in succession.
Old 05-06-2018, 12:32 PM
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The only time I have this issue is if I have the key and cellphone in the same pocket. This also causes issues with my Porsche.

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