Thursday, April 21, 2016

How to make ENET coding cable yourself

This helps make ENET coding cable yourself.

One way is to build a cable yourself. Cost for this would probably range anywhere between 10 to 20 bucks. You will need to solder a bit but it's nothing too serious if you follow the instructions to the letter. 

To build your own cable, you will need the following:
- OBD2 connector- RJ-45 cable and connector- 510 ohm .25 watt resistor
The schematics of the official BMW cable can be found below in the attachments and how to solder your cable can be seen in the photos directly below (thanks to Sean [ImSW1]).
I have used my own cable there for half a year. His cables are great. He builds and ships them for $12 USD only. Usually, after he receives payment, he can have the cable ship the next day and arrived a week later.

Cable soldering diagram:
The cable is CAT 6
PIN 3 - light blue (CAT 6) would be Green Stripe (CAT 5e)
PIN 4 & 5 (bridged) - Brown (0CAT 6) would be Brown (CAT 5e) - this is what is grounded to the RJ-45
PIN 11 - Green (CAT 6) would be Solid Green (CAT 5e)
PIN 12 - White (CAT 6) would be Orange Stripe (CAT 5e)
PIN 13 - Orange (CAT 6) would be Solid Orange (CAT 5e)
PIN 8 & 16 (bridged) with a 510ohm, 1/4 watt resistor

Free download Step-by-step ENET diy manual - 100% understandable

(NOTE: this diy guide is from utenigma and svache at, i have not tried, put it here )

But if you are not interested in building one and want to spend a little bit more money to get a working cable, then this is a site that has been confirmed working by some of our F10 friends: I wouldn't recommend other sites, although they may work, problem is that they have not been confirmed working yet. Functions of enet cable at eobdtool has been tested for years (many discussion in forums).

---> back to BMW ENET cable for more info

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