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Im_Hidding Im_Hidding is offline
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Car: e92 335
Exclamation Wiring help!? - 09-21-2020, 12:55 PM

So I seem to have shorted something in my DME maybe? I have decent knowledge of how electrical systems work but I’m not good at reading wiring diagrams or diagnosing issues. It starts with me replacing my thermostat and noticing that one of the wires was broken. I decided to cut it off and make a new plug and install it later. I put the car back together, bled the coolant system. And tried to start the car. It just cranked and didn’t start and I remembered I had forgotten to tape up the wires I cut. I checked and they were resting on the subframe.
Also it’s an 04/07 build date e92
I scanned the dme and got
2A9A - crankshaft - Inlet camshaft, synchronization
2A9B - crankshaft - Exhaust camshaft, synchronization
2A9E - camshaft sensor, inlet, synchronization
2A9F - camshaft sensor, exhaust, synchronization
2ACB - dme master relay, activation
2ACC - dme master relay, shift delay
2CEF - throttle valve actuator, activation
2D09 - THROTTLE
2DEB - power management, vehicle electrical system
3100- boost deactivation

Any help with where to start with this is appreciated. I have been able to get the car to start but it runs terribly. Also the wires are now taped up but still disconnected.

Last edited by Im_Hidding; 09-21-2020 at 01:20 PM.. Reason: Additional info
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nhatnguyen14 nhatnguyen14 is offline
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Car: N54 E89
Default 09-22-2020, 08:16 AM

most likely you blown fuse F37. It happened to me and the car didn't start with whole bunch of codes like you.
check the wiring diagram at
Fuse F37
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nhatnguyen14 nhatnguyen14 is offline
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Car: N54 E89
Default 09-22-2020, 08:18 AM

sorry too quick to reply. mine is E89, it depend on your model but www new tis . info has the wiring diagram. check the fuse that goes to those sensor, you probably blown 12v fuse
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Im_Hidding Im_Hidding is offline
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Car: e92 335
Default 09-23-2020, 03:27 PM

found a wiring diagram and found fuse 2 was blown, replaced it and everything's good now
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