Comfort Access: Does not lock on first button press after driving

13068 Views 12 Replies 11 Participants Last post by uke, Jan 7, 2015

syda

Discussion Starter · Aug 25, 2014

Hello, I hope this is just a simple answer of something I'm overlooking. I have an F32 BMW and E92 and I'm familiar with Comfort Access systems on those vehicles. Grab the handle, the doors unlock. Press the thumb area, doors lock.

However, on the F56 there's only one button for both functions.

Every time I want to open the F56, it does so without issue. Press the button, all doors unlock (as I have set).

What's peculiar is when I want to lock the F56 after driving the vehicle. Put the car in park, turn off the engine, exit the vehicle, close the door, press the Comfort Access button on the door handle... The doors unlock. To lock the doors, I have to wait roughly 3 more seconds and push the Comfort Access button again on the door handle.

My expectation is that the doors would lock at this point as it's the next logical step in the cycle of the Comfort Access system, since I entered the vehicle using Comfort Access and the doors successfully unlocked.

I just read through the user manual, and didn't find anything that stands out here. Is it just a software update that's necessary for the vehicle, or do I need to reset my expectations of how the Comfort Access system works?

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mininoober

· #9 · Dec 25, 2014

I've been having the same "issue" with my F56, comfort access on a BMW door handle works differently with two separate touch sections so I expect it to be a little more complex and thus not as user friendly.

I don't think it's an issue, however. The lag is a deliberate as noted in the manual on page 40 under "Functional Requirements" under the Comfort Access Section:

"The next unlocking and locking cycle is not possible until after approx. 2 seconds."

This explains why I have to click it a bunch of times to get it to cycle, but if I wait the 2 seconds it locks immediately on press. The doors unlocking even after exiting the vehicle while the door is unlocked is just poor programming. Perhaps if both doors are unlocked when exiting the vehicle, the Comfort Access System will recognize that all the doors are unlocked (equivalent to a double unlock for those of us who don't unlock all doors with one click), the funciton will cause the doors to lock immediately. Gonna try this out.

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