Central locking causing No crank?

[efiniGTX]

Having a weird issue today. The car is a S50 swapped 95 Ti. engine has been in for six months without an issue. over the weekend the alternator died and it was replaced. A few days go by and today something weird happened. I get to work and tried to lock the doors with the remote as usual and it chirps three times, so I check all the doors but they were fine. I use the key to lock the car and go into work. I come out for lunch and it wouldn't crank, I have power to everything but no crank. luckily I was on a hill and just pop started it, I didn't shut it off the duration of lunch. I get back from lunch shut the car off and tried to restart and nothing. I noticed that the trip meter had reset and the clock display went blank. Everything else in the car works. I have double checked the alternator connections, battery ground, as well as alternator output.
After work I test the starter and it does work, just not with the key. I check for signal when key is in crank position and get nothing. It was raining today so I haven't yet checked the starter relay. I am able to start the car by turning the ignition key to on position and jumping the starter. So I am wondering before I go crazy looking at all sorts of stuff, is it coincidental that the central locking system malfunction, trip meter, clock and no crank signal are all tied together?

[JDStrickland]

WHAT Central Locking System malfunction? You say there is one, but have not described it.

My car would not start recently, but rolling it down a hill and poping the cluch worked every time. The battery was dead. I drove the car over 100 miles, the battery still was dead.

You said that everything else works. So what. Everything else all at the same time does not draw the load of the starter.

You said the central locking was hosed up, but nothing in your symptom set indicates a problem with central locking. Everything you said fits a dead battery.

[HDC]

Try manually locking the car, then manually unlocking the passenger door, then the drivers door. I ran into this once, Don't know if this is the "double lock" thing or what. But I figured out I had to unlock passenger first, then drivers. Started Right up. Worth A Shot maybe.

[efiniGTX]

WHAT Central Locking System malfunction? You say there is one, but have not described it.

My car would not start recently, but rolling it down a hill and poping the cluch worked every time. The battery was dead. I drove the car over 100 miles, the battery still was dead.

You said that everything else works. So what. Everything else all at the same time does not draw the load of the starter.

You said the central locking was hosed up, but nothing in your symptom set indicates a problem with central locking. Everything you said fits a dead battery.

The problem that I stated was, the central locking didn't lock the doors and it chirped three times, which indicates a problem. The doors lock and unlock manually, just not via remote. The trip meter resets every time I shut the car off.

I am thinking it's not a dead battery because I am able to bypass the ignition key and start the engine with it's own power source. If the battery was going it generally shows other symptoms, and it would not be able to turn over the starter.

[flyfishvt]

First the alarm system:

The three chirps when you use the remote means the alarm thinks one of the doors or the trunk or the hood aren't closed properly. None of these have anything to do with the car not starting unless you have an after market alarm. The BMW alarm does not disable anything that allows the car to start. To find out which one it is open each door one at a time and push the button on the door striker and try the alarm. If that still produces three chirps then close all the doors and open the hood and push down on the hood switch and try the alarm. If that doesn't work then you'll have to play with the trunk lock actuator to see if that is the cause. My guess is the doors or the hood.

Next is no start. You have two clues to consider. If you jump the starter it works so the battery has enough juice to turn it over. Depending on how you jumped it the starter could be good or bad. How did you jump it? your trip odometer and clock reset each time you leave the car then you have a bad battery or a bad connection or a drain on the battery. My guess is a bad connection. Check/clean both connections at the battery and get the battery tested.

[efiniGTX]

First the alarm system:

The three chirps when you use the remote means the alarm thinks one of the doors or the trunk or the hood aren't closed properly. None of these have anything to do with the car not starting unless you have an after market alarm. The BMW alarm does not disable anything that allows the car to start. To find out which one it is open each door one at a time and push the button on the door striker and try the alarm. If that still produces three chirps then close all the doors and open the hood and push down on the hood switch and try the alarm. If that doesn't work then you'll have to play with the trunk lock actuator to see if that is the cause. My guess is the doors or the hood.

Next is no start. You have two clues to consider. If you jump the starter it works so the battery has enough juice to turn it over. Depending on how you jumped it the starter could be good or bad. How did you jump it? your trip odometer and clock reset each time you leave the car then you have a bad battery or a bad connection or a drain on the battery. My guess is a bad connection. Check/clean both connections at the battery and get the battery tested.

thanks for the input. I figured that the alarm chirping was caused by a door or hood staying open. but I have tried holding down on the hood switch, and closing all the doors to no avail. I jumped the starter via the solenoid with the key in "run" position. I was looking over some diagrams and the only thing that links all my complaints is the body module. I just checked the "start" signal from the ignition switch to the EWS module. I have power up to that point.

[flyfishvt]

You're going down the wrong road. The body module has nothing to do with disabling the starter. You dont need to link ALL your problems with one solution. You have two or three separate issues. In a 95 built before 1/95 you have EWSI. The only time EWSI disables starting is if its double locked with the doors closed. As long as the car isn't locked it should start with the key.

The first thing you need to find is why everything is resetting itself. Then try taking the ignition switch off the housing and use a screw driver to turn it to start. That will eliminate the possibility of it being something to do with the ignition tumbler or the housing.

What is the build date of your car?

[efiniGTX]

the build date is 5/95. So I just fixed the car. I'm fucking retarded sometimes. it was so stupid that I missed something so obvious.
It turns out to be a fuse. It was the fuse 31 for the body electronics module, which also disabled the EWS module. I changed the fuse and she fired right up, clock came back on and door locks work from remote again.
I hate those damn euro style fuses. I checked all those fuses but if it was a normaal style fuse I would have noticed it. I'm gonna change them all over to normal ones.

[flyfishvt]

Thanks for the follow up. That 5/95 build date explains a lot.