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Xoutpost is currently undergoing a planned server migration.... stay tuned for new developments.... sincerely, the management |
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#11
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Quote:
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2003 4.6, esotril blue, over 215,000KM. Every previous owner failed to keep up the vehicle maintenance. Restoration project. |
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#12
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Update:
Okay, my electrical engineer dad came over today and we did a bunch of sleuthing. Here's what we did/found:
If that doesn't work, I'm going to try and send my DME, my VVT, my immobilizer, and my key back to ECU Pro and see if they can just confirm it all still starts their test vehicle. If THAT still isn't fruitful, I guess I need to start looking at a professional shop to really deep-dive into this wiring issue, assuming that's what it is. Seriously, anybody want this thing?? Kidding... but not really kidding. Missing carburetors and points... Last edited by MBellRacing; 04-03-2022 at 06:47 PM. |
#13
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"The battery was low after sitting, about 12.1V and then 11.9V after turning the key. We used the reliable old Denali to jump first at the battery in the trunk. This resulted in a big voltage drop for some reason"
‐‐-‐--------‐---------------------------------------------------- How is your BST? Your symptoms (some of them) sure sound like a partially functioned BST. I would also clear the codes and (if BST good) unplug the battery and ground the cables together then reattach the battery (fully charged) and go from there. Sent from my SM-A730F using Tapatalk
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"When the Team Chief said.... You're trapped in a hole with nothing but a goat and a slinky, what do you do? Stubby said, I'm not sure but it won't end well for the goat...." ~(Overheard) Last day, Phase 3, Q Course |
#14
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My goodness...
Don't daily drive a Naughties BMW. Big Money Waster, indeed. The car still won't crank, despite us now having spent another 5-6 hours trying everything we can think of to figure out why the DME is not communicating with the rest of the car. New news:
How do I confirm the function of the BST? I do still have three faults in the seat occupancy section of the scanner: an "SBBF Undervoltage" and two "SBBF Control-Unit Fault". Could this SOMEHOW be the issue? My dad and I figured it would be very obvious that the charge had popped and would remove all voltage to the DME. Is this not how it works? Is there like a "code" sent that just shuts down some of the communication to the rest of the modules while keeping the power pins at 12V? Please, someone help me with this thing. This car is (well... was) my daily driver. This is the second BMW I've owned that has bricked with some mystery DME issue (the first being an E34 540i 6-speed that was turned in on Cash for Clunkers). This is, absolutely, the last Nazirocket I buy. It has ruined me on German cars. It is unbelievably good when it works... but ya know... |
#15
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Here's a video on the BST and it can be bypassed.
https://youtu.be/c26Jq1O1m0M Sent from my SM-A730F using Tapatalk
__________________
"When the Team Chief said.... You're trapped in a hole with nothing but a goat and a slinky, what do you do? Stubby said, I'm not sure but it won't end well for the goat...." ~(Overheard) Last day, Phase 3, Q Course |
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dme, ecu, missing |
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