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      06-11-2025, 03:54 PM   #1
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Drives: BMW Z4 M40I
Join Date: Jun 2025
Location: California

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BMW Z4 M40i - Sometimes Start Ignition Issue

Hello Fellow BMW'ers,

I just leased a 2025 BMW z4 m40i for about a month now and I recently had this happen twice... but not all the time. Please excuse me as I do not know any correct automotive terminology to make this easier for you guys to read. Here is how it goes:

I step on the brake, press "start" ignition button, it makes that usual booting up sound, but then it doesn't complete the full cycle and does not completely boot up the car.

I have to do the whole step on brake, press "start" button all over again so that it can boot up.

Not sure if this is important or something I should mention as well that may contribute to my worry - sometimes the car starts immediately when I click "start". Sometimes it skips a little and then completely boots up.

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I mentioned this to the dealership I bought from, and they said it has something to do with "Air suspensions". Here is what they said word for word:

"It has air suspension. The shocks release when you stop the car and park and once you restart the car to go, they fill up again, so they raise the car up a little bit. Air shocks."
Appreciate 0