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Classic Bimmers
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  #1  
Old 10-08-2012, 04:59 PM
ebraz1 ebraz1 is offline
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Location: Nampa, Idaho
 
Join Date: Oct 2012
Posts: 5
Mein Auto: 1991 750il
I need help!

Hi. I have owned my 1991 750il for over 3 years. Not much trouble with it. I love my car! I am not rich! In the spring it started throwing a "trans program" msg, along with going into some kind of safe mode where i couldn't go over 5 mph. No signs, no weird noises, just boom, wont run. My battery died and I charged it up, started up the car and it ran fine for a few weeks. Then it threw that msg again and i couldn't drive it. I unhooked the battery overnight and hooked it up the next day. Ran fine for a month. Threw the msg again, unhooked the battery again. It has ran fantastically all summer. No problems what so ever! Then this morning i am taking my kids to school, luckily it did it in the first block. I unhooked the battery again. It's still out there with the battery unhooked. I don't know what to do. I am going to school and cannot have this happen when I'm on the freeway or something with my kids! What do I do?? I cannot take it to a dealership to have the code ran because when i do that thing with the battery, it resets it. No code to run. I cannot drive it to a shop when it is in that mode, cuz i can't get it there. What do I do??
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  #2  
Old 10-12-2012, 09:49 PM
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BMWFatherFigure BMWFatherFigure is offline
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Location: Perth, Western Australia
 
Join Date: Aug 2012
Posts: 2,338
Mein Auto: E23;E30;E38;E32;E34 +
Tee up with good (sympathetic) stealer/indy/trans shop to have the car next time it fails and tilt tray it to them (or drive at low speed - your choice). Let them find codes etc if there are any. Could be bad/corroded electrical connection. Does it happen in the wet or after wet days? Could be a rubber boot off a plug - letting in water. As it is not constant I am not thinking gearbox internals.
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  #3  
Old 10-12-2012, 09:50 PM
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BMWFatherFigure BMWFatherFigure is offline
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Location: Perth, Western Australia
 
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Mein Auto: E23;E30;E38;E32;E34 +
Maybe move to E38 section??
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Current:
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Previous:
E21 318i; E30 318i; E32 735iL; E34 535i; E38 730iL; E53 4.4i
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  #4  
Old 10-13-2012, 12:37 PM
ebraz1 ebraz1 is offline
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Location: Nampa, Idaho
 
Join Date: Oct 2012
Posts: 5
Mein Auto: 1991 750il
No, not on wet days. Only seems to happen when it is cold outside. After I wrote the first thread I hooked the battery back up and took my kids to school. On my way back home, it started doing the "trans program" thing again. I let it sit because I am going to tow it to a shop and have the codes read. I'm pretty sure that it has nothing to do with the transmission or gear box. There is no trouble shifting. Wondering if it may have something to do with the fuel line or something on that order. It pops a little before it completely stops wanting to move.

Last edited by ebraz1; 10-13-2012 at 12:43 PM. Reason: more info
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  #5  
Old 10-15-2012, 06:50 AM
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ECSTuning ECSTuning is offline
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Location: Wadsworth, Ohio
 
Join Date: Feb 2009
Posts: 3,984
Mein Auto: Hover Car on Wheels
The E38 is very picky when it comes to the electrical system. Just to insure not the battery or alternator have them tested to insure proper operation.
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  #6  
Old 10-15-2012, 01:11 PM
ebraz1 ebraz1 is offline
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Location: Nampa, Idaho
 
Join Date: Oct 2012
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Mein Auto: 1991 750il
Thank you, but i have had the alternator tested, it's good. New battery (5 months old).
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  #7  
Old 10-15-2012, 01:13 PM
ebraz1 ebraz1 is offline
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Location: Nampa, Idaho
 
Join Date: Oct 2012
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Mein Auto: 1991 750il
I will most definitely have it tested when I can. We are thinking it may have something to do with the fuel system. Maybe a sensor?
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  #8  
Old 10-30-2012, 01:06 AM
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BMWFatherFigure BMWFatherFigure is offline
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Location: Perth, Western Australia
 
Join Date: Aug 2012
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Mein Auto: E23;E30;E38;E32;E34 +
Fuel problems won't bring up a transmission error.
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Current:
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Previous:
E21 318i; E30 318i; E32 735iL; E34 535i; E38 730iL; E53 4.4i
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  #9  
Old 12-19-2012, 09:57 PM
angelaperkinson angelaperkinson is offline
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Location: Chai Wan Hong Kong, China
 
Join Date: Dec 2012
Posts: 10
Mein Auto: 2011 BMW X3
Your car is three years old, and so it is natural you should get some problems with your car, it is difficult to say without testing it , what is the actual problem, so you should better contact a good mechanics in this regard.
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  #10  
Old 12-21-2012, 12:17 PM
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BMWFatherFigure BMWFatherFigure is offline
Old School
Location: Perth, Western Australia
 
Join Date: Aug 2012
Posts: 2,338
Mein Auto: E23;E30;E38;E32;E34 +
ap - Problems in three years? You must either hate your car and treat it acordingly or have the worst mechanic on the planet!! My 86 E23 runs as striong as ever and my E38 is a dream.
__________________
Good - Fast - Cheap: Pick any two.
Current:
E23 735i; E32 735iL (X 2 - 1 Alpine White and 1 Glacier Blue); E34 535i; E38 735iL; R50 Cooper; R55 Cooper Clubman.
Previous:
E21 318i; E30 318i; E32 735iL; E34 535i; E38 730iL; E53 4.4i
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