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Quote:

Originally Posted by Bmwe5320023.0 (Post 1225951)

I will quote someone from another forum:

That's because later cars don't have a relay on the blower supply wire so newer IHKA won't send a signal to activate that relay in older cars. Also the AC compressor won't work since newer cars use 1 wire to communicate with engine ECU and older cars use 3 wires. To make blower work, you can remove pin 14 from the blue connector in IHKA and connect it to the wire that goes to pin 1. Pin 14 is responsible for activating this relay. After that, the blower should work, but most likely the air conditioning compressor will still not work.
However, there is a better solution. All you have to do to make everything work is to recode IHKA with DIS (it must be DIS, not NCS Expert etc.). I'm not sure if it will work with all IHKAs and cars but I have successfully fitted '99 IHKA to '96 car using this method.

The way my module failed is that I broke it. The buttons started falling out and were cracking. I tried gluing them, then I couldn't press them anymore. I took the IHKA module apart, and instantly regretted it. It was a huge mess. Took me a few hours to learn how to put it back together. Then I was playing around with it in the car while it was apart and was connecting it and touched something on the board that wasn't supposed to be touch, and I smelled something burned on the module lol....

So I got a couple of used modules, but they don't work. Basically the fan speed is not working. No matter how fast I set the fan, it doesn't blow any air.
I tried coding with NCS Expert and it coded fine, but it didn't fix the issue.

I would still try with Progman and ISTA-P or even using NCS Expert with dummy to explore the various options. You might be breaking new ground, therefore I, respectfully, wouldn't take anyone's opinion as the golden truth and stop there without checking out other options myself. It's possible someone could be wrong ... :dunno: just try ...

Quote:

Originally Posted by X5only (Post 1225934)

Do a search on DIS connection problems at https://www.bimmerfest.com/forums/bm...ogramming.175/. If INPA is working fine, then your issue is DIS config settings and you're good to go. Take time to search. By the way, have you tried coding using NCE-Expert Dummy? It masks the complexity of NCSExpert and makes coding easy. If you can't code with NCSExpert, then I don't think any other software will as it's the most down-level and you can brick modules easily.

NCS Dummy makes working with NCS Expert a lot easier:
https://www.bimmerforums.com/forum/s...-of-NCS-Expert

I like ncs dummy, but that's more for coding options. Doesn't really change anything for coding zcs into the module itself.

I'm trying to install DIS 44, it seems to have been called GT1 back then. Quite a process.
Maybe just gonna order another IHKA module, or bypass the relay like Clavorion suggested...my e39 is 1998/05

I see you're saying yo try and look at IHKA options via ncs Dummy to see if there's an option I can change to make a layout model module work on my 1998/05 car.
I may try it. As for ISTA-P or Program, I've never used them before. Not sure how much of a discovery I wanna make this problem hehe. Don't want another never ending project :rofl: