Electrical: Difference between revisions

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== Electrical Troubleshooting Manuals (ETM) ==
== E28 Electrical Troubleshooting Manuals (ETM) ==
 
ETMs are the go-to resource for tracking down electrical issues in E28s. They appear to only have been printed for US market vehicles, so euro cars may have some minor differences.
=== E28 Electrical Troubleshooting Manuals ===
* [https://mye28.blob.core.windows.net/$web/manuals/e28_82_etm.pdf 1982 E28 - Electrical Troubleshooting Manual.pdf]
* [https://mye28.blob.core.windows.net/$web/manuals/e28_82_etm.pdf 1982 E28 - Electrical Troubleshooting Manual.pdf]
* [https://mye28.blob.core.windows.net/$web/manuals/e28_83_etm.pdf 1983 E28 - Electrical Troubleshooting Manual.pdf]
* [https://mye28.blob.core.windows.net/$web/manuals/e28_83_etm.pdf 1983 E28 - Electrical Troubleshooting Manual.pdf]
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* [https://mye28.blob.core.windows.net/$web/manuals/e28_88_etm.pdf 1988 E28 - Electrical Troubleshooting Manual.pdf]
* [https://mye28.blob.core.windows.net/$web/manuals/e28_88_etm.pdf 1988 E28 - Electrical Troubleshooting Manual.pdf]


=== Other Model ETMs ===
== E28 Schaltplänes ==
The Schaltplänes, German for "circuit diagrams", are the BMW factory wiring diagrams. These can be very useful, however they are drawn for a technical audience and not for the faint of heart. We recommend using the ETM unless that doesn't solve your problem.
 
Scanned copies, originally from the BMW Group Archive, are available in German below. German print copies can occasionally be found on German eBay. English print copies are rare, if you have any please send a PM to [https://www.mye28.com/ucp.php?i=pm&mode=compose&u=27831 Galahad] on the forums or reach out to the [https://www.holygraillabs.com Holy Grail Labs support email].


* [https://mye28.blob.core.windows.net/$web/manuals/E30_89_ETM.pdf E30 ETM]
[files to be added later]
* [https://mye28.blob.core.windows.net/$web/manuals/1988 BMW 635csi - M6 Electrical Troubleshooting Manual.pdf BMW 635csi - M6 Electrical Troubleshooting Manual.pdf]
* [https://mye28.blob.core.windows.net/$web/manuals/1995 BMW 525i - 525it - 530i - 530it - 540i Electrical Troubleshooting Manual.pdf BMW 525i - 525it - 530i - 530it - 540i Electrical Troubleshooting Manual.pdf]
* [https://mye28.blob.core.windows.net/$web/manuals/e34_90_etm.pdf e34_90_etm.pdf]


== E28 Related Electrical Info and Diagrams ==
== E28 Related Electrical Info and Diagrams ==
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* [https://mye28.blob.core.windows.net/$web/manuals/bmw-cruise-control-actuator-technical-data.pdf bmw-cruise-control-actuator-technical-data.pdf]
* [https://mye28.blob.core.windows.net/$web/manuals/bmw-cruise-control-actuator-technical-data.pdf bmw-cruise-control-actuator-technical-data.pdf]
* [https://mye28.blob.core.windows.net/$web/manuals/bmw-cruise-control-e23-e28.pdf bmw-cruise-control-e23-e28.pdf]
* [https://mye28.blob.core.windows.net/$web/manuals/bmw-cruise-control-e23-e28.pdf bmw-cruise-control-e23-e28.pdf]
* [https://mye28.blob.core.windows.net/$web/manuals/Bosch M-Motronic Technical Instruction.pdf Bosch M-Motronic Technical Instruction.pdf]
* [https://mye28.blob.core.windows.net/$web/manuals/Bosch%20M-Motronic%20Technical%20Instruction.pdf Bosch M-Motronic Technical Instruction.pdf]
 
== Other Model ETMs ==
* [https://mye28.blob.core.windows.net/$web/manuals/E30_89_ETM.pdf E30 ETM]
* [https://mye28.blob.core.windows.net/$web/manuals/1988 BMW 635csi - M6 Electrical Troubleshooting Manual.pdf BMW 635csi - M6 Electrical Troubleshooting Manual.pdf]
* [https://mye28.blob.core.windows.net/$web/manuals/1995 BMW 525i - 525it - 530i - 530it - 540i Electrical Troubleshooting Manual.pdf BMW 525i - 525it - 530i - 530it - 540i Electrical Troubleshooting Manual.pdf]
* [https://mye28.blob.core.windows.net/$web/manuals/e34_90_etm.pdf e34_90_etm.pdf]
 
=== E21 Wiring Diagrams ===
The wiring diagrams are between the more traditional ETM layout and the Schaltplänes.
 
* [Https://wiki.mye28.com/images/6/6b/1981 E21 320i ETM Introduction.pdf 1981 E21 320i ETM Introduction.pdf]
* [https://wiki.mye28.com/images/6/6f/1979_E21_320i_Wiring_Diagram.pdf 1979 E21 320i Wiring Diagram.pdf]
* [https://wiki.mye28.com/images/1/1c/1980_E21_320i_Wiring_Diagram.pdf 1980 E21 320i Wiring Diagram.pdf]
* [https://wiki.mye28.com/images/4/47/1981-1983_E21_320i_Wiring_Diagram.pdf 1981-1983 E21 320i Wiring Diagram.pdf]
 
The E21 Schaltplänes have drawing errors in the fog light wiring in the fuse box, current best info is the wiring diagrams are correct to the cars.
[[Category:E28 Information]]

Revision as of 18:50, 3 January 2025

E28 Electrical Troubleshooting Manuals (ETM)

ETMs are the go-to resource for tracking down electrical issues in E28s. They appear to only have been printed for US market vehicles, so euro cars may have some minor differences.

E28 Schaltplänes

The Schaltplänes, German for "circuit diagrams", are the BMW factory wiring diagrams. These can be very useful, however they are drawn for a technical audience and not for the faint of heart. We recommend using the ETM unless that doesn't solve your problem.

Scanned copies, originally from the BMW Group Archive, are available in German below. German print copies can occasionally be found on German eBay. English print copies are rare, if you have any please send a PM to Galahad on the forums or reach out to the Holy Grail Labs support email.

[files to be added later]

E28 Related Electrical Info and Diagrams

Other Model ETMs

E21 Wiring Diagrams

The wiring diagrams are between the more traditional ETM layout and the Schaltplänes.

The E21 Schaltplänes have drawing errors in the fog light wiring in the fuse box, current best info is the wiring diagrams are correct to the cars.