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gmarch 09-30-2002 05:09 AM

Central locking with BMW alarm woes!
Hi all...

I have the BMW alarm / central locking unit install. It has been working fine for about a year. Today, the alarm still chirps correctly (one for arm and two for disarm), but the door locks are not locking.

I recall reading something about this, but I've searched through various archives and can't find it. Does anyone have a clue as to what might be the problem?

Also, if I lock the car by either pressing the lock into the door or by using the key and then I use the alarm remote, the following happens:

1) If the doors are locked and I disarm, they unlock.

2) If the doors are locked and I arm, they also *unlock*!

Under no circumstances could I get them to lock. The fuses all look good.


BTW, the locks DO work. Locking one door locks the other.



p.s. I guess I should mention it is a '99 M Roadster.

gmarch 10-01-2002 06:47 PM

Tonight, I pulled the glove box and had a look. I disconneted and reconnected the fuse (10amp I think), the connector that looks like a head phone jack (mini-din?) (microphone?) and the funky, one-wire connector that I can't describe.

After doing that, I tested and it worked again.

Hmm.... Bad connection? Obviously, but which one, if any, of the ones that I touched?

Well, next time it happens, I at least know to try one at a time.


Randy Forbes 10-01-2002 06:59 PM


I installed the BMW alarm/central locking on my 01, but I didn't have a clue to offer you about yours malfunctioning.

Glad you're back in business.

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