You want a K+DCAN usb cable for INPA and NCS. I believe the yellow cable you posted is for newer F series bimmers and ISTA software?..

I got mine off eBay for $20 shipped. It's the model without the switch and I needed to bridge two pins. I believe the ones with switches don't need the solder bridge, but I'm sure someone else will chime in on that front.

Here's a switched one on amazon for $25

https://a.co/d/8JfnzRK

If you want to go mcfrugal and are ok doing a little soldering to bridge the pins if needed, check this out.

INPA K+DCAN OBD2 USB Interface Cable, Diagnostic Tool Fit for BMW (No Switch) | eBay

Find many great new & used options and get the best deals for INPA K+DCAN OBD2 USB Interface Cable, Diagnostic Tool Fit for BMW (No Switch) at the best online prices at eBay! Free shipping for many products!

www.ebay.com

 

I believe the yellow cable you posted is for newer F series bimmers and ISTA software?

I saw it listed here:

How to Code your BMW with NCS Expert and NCS Dummy

If you're looking to code your BMW using NCS Expert, it can be done more conveniently with the help of the NCS Dummy. Here's a comprehensive guide on how to do it.

ohptools.com

 

^^^
This.

You need a k+dean cable (USB to OBD2 port). Do NOT use whatever software comes with the cable.

Follow the BMW Standard Tools Installation guide below from the Important Links thread.

How to Install BMW Standard Tools

This thread describes how I install and configure BMW Standard Tools, the suite of BMW software that includes INPA, NCS Expert, WinKFP, Tool32. I have my own custom way of doing this that is the shortest and simplest steps I could figure out. This set up is for E46 only. What is needed...

www.e46fanatics.com

 

Always look in Important Links first. This post has a link to the correct cable to buy.

How to Install BMW Standard Tools

This thread describes how I install and configure BMW Standard Tools, the suite of BMW software that includes INPA, NCS Expert, WinKFP, Tool32. I have my own custom way of doing this that is the shortest and simplest steps I could figure out. This set up is for E46 only. What is needed...

www.e46fanatics.com