BMW E46 Engine Harness Wiring Made Easy

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This video shows the removal of the engine wiring harness of a 2003 BMW E46 330i M54. We show how it is removed from the car and how it is properly routed from the factory with the engine out of the car for a better view. We show all 3 of the individual harness that make up the engines wiring on 99-06 E46 BMWs. If you are looking for any of the parts in the video don't hesitate to reach out. The links are below. Enjoy
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Опубликовано:

13 апр 2021

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Комментарии : 30

@1212blaze Год назад

Dude excellent video! I'm sure I'll be watching it 100 times as I swap one harness to another engine... Thanks for your help!

@Cup-o-Wealth 2 года назад

Thanks for this video. It's better to see where each harness goes. I was having O2 sensor codes years ago and the shop couldn't find the problem. They told me I should look into replacing the wiring harness so I did it myself. I replaced the main one. Looking back, I should have replaced the second harness to the transmission because my problem didn't go away. LOL. I later discovered burned wiring to one of the O2 sensors.

@etwasbauen6615 2 года назад

Yes its nice that there are 3 separate parts it makes replacing them easier. Thanks

@Latenightshoot 2 года назад

Did you remove your engine?

@OshanRube 6 месяцев назад

Thanks so much dude!! Life saver for swapping engines

@sliam2000 Год назад

Really good breakdown of the wiring harness for 2003 BMW 530i! I of course have a 2004 BMW 530 I, which, to be quite honest is extremely. Thanks again for a great breakdown of the harnesses well done

@etwasbauen6615 Год назад

Thank you

@slashdontmiss Год назад

big ups on the video my headers in my e46 burnt out the lambda connectors male and female and i needed to replace the automatic transmision wiring harness i figured it out right before the video and i been trying to figure out where that hoses by the starter like it looks like its connected to the transmission is that the purge valve connector !? looking for months you should do some videos on certain hoses aswell very detail and great source of information ! thanks !

@billymahango9793 9 месяцев назад

Great video bro, I'm planning on doing an M54 swap into my e46 with the m43, but the throttle is cable, will it work?

@halfthehalfer Год назад

Out of curiosity would you happen to have an engine harness for a 2002 m54 b30 motor for sale?

@lathanstory880 2 года назад

I have a 2003 325i with the 5l40e trans. My wiring harness for the trans is bad. Is it possible to replace it with the engine/trans in the car?

@jedrusfernandes3555 8 месяцев назад

Is it possible to install the engine back in along with the intake manifold?

@albertohernandez6193 2 года назад

Hello, is there a site where the wiring diagram is, to know where each connector goes? Thanks for this video it was very helpful.

@etwasbauen6615 2 года назад

Im not sure. Most of the connectors are specific for the sensors.

@davida4743 2 года назад

Shouldn’t this video be called, how to disconnect all bmw wires?

@shakcs6529 8 месяцев назад

Wich is x6011 translucent connector?

@Latenightshoot 2 года назад

Is it possible to remove/install the main harness with the engine in the car

@etwasbauen6615 2 года назад

Hi, yes it it is! Thanks

@ravsinghrajput2105 Год назад

How to disconnect all the harnesses and sell it in the ebay 😁👍

@ryanking8939 Год назад

How do you remove the engine without removing the intake manifold??

@etwasbauen6615 Год назад

We take out the engine and trans together.

@arangel3798 2 года назад

How would i replace the middle copper color ground strap?

@etwasbauen6615 2 года назад

if it was damaged. If it seems ok it should be fine.

@josenavarro529 2 года назад

Sorry for my ignorance, but on a manual 325i e46, does it have transmission harness? Since I been told that the computer could care less about what is going on with the transmission. And having said this, where would the O2 sensor be connected if it doesn't have a transmission harness.

@etwasbauen6615 2 года назад

Hi , All good, it does, it just has one sensor i believe on it and it does have the o2 sensor on it.

@romariosmith599 2 года назад

Bro a want to replace my 2004 bmw 318i engine to computer wire loom how can I do that😔

@etwasbauen6615 2 года назад

It should be the same process. Thanks

@dylansheldon3623 2 года назад

how do you tell which o2 wires are for what banks?

@etwasbauen6615 2 года назад

Bank 1 sensor 1 is the front most manifold top sensor! Bank 2 sensor 1 is on the rear most manifold. The 2 sensor is past the cat on each bank. Thanks

@dylansheldon3623 2 года назад

@@etwasbauen6615 i mean the wires coming from the trans loom or does it not matter which one they plug into