N75 options

[RichLV]

Good day!

It seems that our N75 valves have gone NLA. I know that they can be ordered through Audi Tradition, but we'll skip that only as a last resort option.

I once had a N75 valve from 1.8T (AEB), which looked identical to the one I have in my AAN, only it was black not brown. Is it possible to fit it to a I5? Acceptable price too - around 40 euros.

The other option I know that some people switch to a valve from TFSI(?) engines - 06F906283F. You need a matching connector and an extension from the MAF hose, since this valve will most likely not fit there. The price is even better than 1.8T valve - 25 euro for OEM VW and 16 for Pierburg.

[hunker7]

See I want to try 1.8T one. I will try and swap it over from my dad's car, because I don't see how insides can make a difference?

[mdz]

If you want to try TFSI valve I can give you mine while my engine is on stand. Connector pins are identical, housing is different but I got few of them too.

[RichLV]

I could probably solder a converter.

[mdz]

It's easier and faster to swap housings. Same as on 2.5TDI V6 - there's also a cheaper N75 that has different connector. Others soldered a whole connector, but swapping housings is easier and faster if you know how to disassemble them

[RichLV]

See I want to try 1.8T one. I will try and swap it over from my dad's car, because I don't see how insides can make a difference?

I've heard that many similar valves have different resistance range. For example our K(?) ended valves operate between 20-40 ohms, while some other similar valves operate between 25-45 ohms, which can lead to overboosting. So not that simple. But maybe the 1.8T valve can work.

I know that lots of russians are swapping to the TFSI valve without any issues.

[hunker7]

I've heard that many similar valves have different resistance range. For example our K(?) ended valves operate between 20-40 ohms, while some other similar valves operate between 25-45 ohms, which can lead to overboosting. So not that simple. But maybe the 1.8T valve can work.

I know that lots of russians are swapping to the TFSI valve without any issues.

Oh I see. I will try dad's tonight and let you know how it goes

[Henkjan]

See I want to try 1.8T one. I will try and swap it over from my dad's car, because I don't see how insides can make a difference?

there is, Dimitri reported issues with some non-Audi N75 replacements that some of us use (the "heavy duty" one), so don't rush into just any similar type of valve


[edit] https://store.034motorsport.com/boos...n75h-race.html is marketed as OEM

[V6quattro]

$226

[RichLV]

there is, Dimitri reported issues with some non-Audi N75 replacements that some of us use (the "heavy duty" one), so don't rush into just any similar type of valve


[edit] https://store.034motorsport.com/boos...n75h-race.html is marketed as OEM

Audi Tradition is less expensive than that. Cost+shipping+import tax.

[UrS4boy]

N75 Options article from back in the day

Factory-sourced OE N75 options from 2005

[M_GORDON]

Thanks a lot for the article!!!

[RichLV]

N75 options

The only option based on the article is the F valve, which has different spring properties. And F valve seems to be superceeded by E.

PRJ could probably shed some light on this.

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