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Car Forum / BMW Cars / July 2004Flakey car key memory?
Howdy, If your late model Bimmer has power seats with car key memory, how dependable have you found the key memory to be? Mine seems to act unpredictably. Even when I've locked the car with my key, opening it later can occasionally cause the seat to change to an alternate key's settings. I'm at a loss to explain that. I'd love to know the set of rules the key memory follows to determine its actions. Kevin > Howdy, > [quoted text clipped - 9 lines] > > Kevin When you lock the car with a key, the car remembers the seat settings at the time of locking. The next time the car is unlocked with that key, the seat will move to the remembered setting. If your wife drove the car with the seat moved to her liking and after parking you locked the car with your key instead of hers, the car will now remember her settings with your key. To me it would make more sense to be able to assign a key to one of the memory buttons so that every time you unlocked it, it would go to a predefined setting unrelated to how the car was last locked. Kyle. > When you lock the car with a key, the car remembers the seat settings at the > time of locking. The next time the car is unlocked with that key, the seat [quoted text clipped - 7 lines] > > Kyle. Please clarify: Your explanation makes perfect sense. The key doesn't store any information, it just identifies itself to the system - right?-and the system also remembers heat/ac settings etc. So I guess the system can remember 2 or 3 settings (I forget how many keys came with the car - 2 I think), and these are "programmed" each time the car is locked. Is that correct? Thanks > > When you lock the car with a key, the car remembers the seat settings at > the [quoted text clipped - 20 lines] > > Is that correct? Yes, that's correct. Tulley BMW in Nashua, NH explained it to me that each key was sort of like having an additional memory button except that it is reprogrammed each time it locks the car. Kyle. > > Howdy, > > [quoted text clipped - 19 lines] > memory buttons so that every time you unlocked it, it would go to a > predefined setting unrelated to how the car was last locked. The manual for a 2004 M3 says that is how it works. They also have little colored stickers to put on the key and matching predefined button. However, I didn't enable that option so I can't verify that. John > Howdy, > [quoted text clipped - 7 lines] > I'd love to know the set of rules the key memory follows to determine its > actions. Haven't really checked it - but it seems to act differently depending on whether I insert the key in the lock or just push the remote button! Tom Had the same problem with our E-39. Technician replaced the control module in the right door and the right side mirror position sensor. The problem is fixed. >Had the same problem with our E-39. Technician replaced the control module >in the right door and the right side mirror position sensor. The problem is >fixed. Hmm, I have an E46, but it sounds like it may have a similar problem. Was your side mirror flakey before (didn't remember/restore it's position) and now it is fixed? Yes that was one of the problems. |
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