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Ich werde ein wenig hinzufügen. Gestern habe ich mit einer Person gesprochen, die sich mit Software für Automatikgetriebe beschäftigt. In den meisten Firmwares beträgt die maximal zulässige Ölerwärmung 140 Grad Celsius

Thank you for the QLCC reference. Reading the Audiworld forum about chipping 10VT. Quite interesting.

Ich habe keine Erfahrung mit Überhitzung und C3 gibt keinen Temperatursensor im Getribe. Aber ich glaube, dass die Grenztemperatur, bei deren Überschreitung sich die Eigenschaften des Öls verschlechtern, bei 120 Grad Celsius liegt.

P.S. Entschuldigung für mein Deutsch, ich benutze Google Translate

Fellow C3 owners, thanks to my brother who chip-tunes VAG transmissions and engines for living, I was able to download a EPROM from my original MC2 MAC-14 Hitachi ECU and from "tuner" KL-Racing chip. Files are attached. Does anyone knows how to interpret them? For example, I can see some k...

Hello SamFM, what spark plugs do you use? 1 Finger or 3 Finger? Brandname and Typnumber please? Greeting Daniel Dear Daniel, soory for taking sooo long to reply: a war broke out and I had to leave my homecountry. So, my car is left there, at the moment. And I miss it so much. =( My wastegate is goo...

Thanks for the reply Daniel, Your english is better than mine =) I had 2 different waterpumps (Bosch Motorsport 040 and Pierburg) with same result. I don't think my problem is due to weak pumps. I haven't calibrated my oxygen sensor, but it doesnt need calibration (its done at the factory), as I hav...

Don't forget to check your crankcase ventilation system (PCV valve and all those hoses). If you're getting too much oily blow-by into your intake the knock sensors step in and the ECU reduces boost/fuel as well. You can also install a catch tank to stop oil from the PCV system to enter your intake....

I think you going the wrong way. 1. Take a drive an then read out the log file from the ECU maybe you see something. (Diagnose over LED) 2. The stock pressure from MC is 1.6 bar absolute / 0.6 relative 3. 1.4 bar is emergency 4. Bürgi ship hast 1.9 bar absolute / 0.9 bar relative, Some Versions go ...

Sorry for English, Daniel, I had a bit same problem as you. Amount of work with engine is the same, except I did nothing with cooling of 5th cylinder and I didn't rebuilt bottom of the engine (compression is about 8-9 bar per cylinder at the moment). My boost is 2.0 bar absolute (chip + spring from ...

Pardon for long reply. Had to move outside my county. So, I was telling the overboost pressure. Not absolute. And, correction, the pressure with KL-Racing chip is 1 Bar (meaning 2.0 Bar absolute). PS. Main reason why I asked was to cure the engine unwillingness to rev over 4800 rpm (feels like somet...

Sorry for English. I have the same problem: oil consumption 1L \ 1000 km (10W50 Mobil 1). I've resealed the engine, changed oil caps, and I used Wynns to de-carbonize the piston rings. But to no result. Car still consumes a lot. I wonder, if it will make sense just to put a new piston rings in my ol...

Hi everyone! Sorry for English again. I think it will be better than machine translating still. Sorry for all of you, who I was talking to regarding Buergi chip, but I have managed to install already purchased chip from KL-Racing (sweden). It's also for 0,9 bar and works fine. The hardest part was t...

Hi guys. I never could found an English version of VEZ guides for MC1 and MC2. So, I did a translation myself. It's very bad and I'm open to your comments, or additions. The attached manual has 2 versions - English and Russian languages, following one another. https://drive.google.com/file/d/1c2VlMs...

Guys, sorry but I found a problem with ECU of my MC2. Seems like there are almost no decent auto-electricians in my city.
So I have decided not to go with Buergi chip before I will restore normal work for my ECU.

timundstruppi hat geschrieben: ↑01.09.2021, 09:34 I offered you one at the end of 2020

Yes, I am considering to take the offer. =)

Need a decent chip that uses lambda, fuel and ignition mapping.
By the way, will it be Ok if I use my wastegate spring rated for 1.0 Bar (not 0,9) ?

Dear C3 friends! Recently I've tested the KL-Racing chip with 1Bar wastegate spring, and I've noticed that new chip, compared to stock one, doesn't use lambda and N7 (flow divider frequency) valve at all. So, I made a conclusion that KL chip just can't alter my fueling. It can influence only on the ...

Hi everyone!

Could you tell what is the fuel flow of your fuel distributors (flow dividers) for your engines?

I've set up mine for 200 ml per 60 seconds at maximum lift of air-flow plate.
But I've not sure that this is enough for MC2 turbo engine.

Hi guys! Finally, I think, I'm getting close to solving my issue of low boost. I had a 5000 km roadtrip just after new year. Most of the route was on a highway with 100-120 km\h cruising speed. So, I noticed, that when I go full throttle, engine wouldn't go past 5000 RPM. And the sound of the engine...

Make "Stellglieddiagnose" like shown in the "Reparaturleitfaden". Install a "controle" standard LED parallel to the conatct of the N75 (right polarity and a resistor with 500 Ohm in serie) So you can see the LED start to flicker if the Boost regulation will start at 57...

Hi everyone! Thank you for your replies! You are the best ) So, I haven't found the reason of low boost yet, but I've done a lot of diagnostics: 1) Membrane is OK. Just in case I bought new one from 034 motorsports but will put it later when I install 0,9 Bar chip 2) Throttle switch is OK. Tested it...

Hello Sam, google Translate ist sometimes a funny thing. The "diaphragm" in your car ist a " Membrane ". -> "Wastegate-Membrane" The "Zwerchfell" is a muscle-tendon plate which separates the thoracic and abdominal cavity in mammals. It has a dome shape and is...

The boost is 0,2 (1,2 bar on display) at 3000 rpm and up.

Error memory is empty

Entschuldigung für meinen schlechten deutsch. Ich werde auf Englisch schreiben und dann unten ins Deutsche übersetzen So, I have MC2 Turbo. And it has low boost. I changed a lot of sensors, intake hoses, checked N75 and throttle switch, etc. The only thing I haven't seriously checked is westgate dia...

A little update, I've changed the intake boot (found good used one) and repaired the old electrical connections on the throttle switch. Finally, N75 didn't work because there was no signal from the full throttle switch. The turbo pressure become 1.3 above 4000 rpm, instead of 1.1-1.2 But still, I fe...

Hi Matthias! Indeed, my caster is 1 degree out of normal for the front left wheel. Hopefully, I can correct it somehow. Yes, by "strut bar" I mean long metal rod, that is placed between the front wheel arches (struts) to stiffen the chassis. Like this: https://rasporki.com/netshop/audi/aud...

Thank you, Poldy!

I'm not sure if my KL is a copy of Bürgichip, but maybe. If only I knew about it before.

My fuel system works good, so I just wouldn't touch it then.

Hi fellow Audi lovers! Sorry to write in English, but our Audi 100 C3 community is so small all over the world, that I just have to do it. As, all of the experienced people with knowledge of C3 are in Germany. =) I have an MC2 89' engine which I would like to upgrade a bit in future. I have purchase...

Wow, thanks Mathias! I also work in Automotive, but not with technical side. Thank you for the info! I've installed damper in order to make my Audi less nervous and more stable on the straight highway. But after I've installed it, stability was no better. So, now I'm suspecting, that my chassis was ...

I've successfully installed the damper from W201, it works fine.
I took SWAG 10520003 part

Only keep in mind the motor wiring loom on the right side of the car.
I have accidently broke my wiring after installing the damper. Because wires have to go behind the damper and not in front it.

Thanks for trying to help! I don't have alarm on my car. And I've found a problem of no-start: Weirdly, it linked to the steering damper ( https://www.drive2.ru/l/479725170609619339/ ) I have installed additionally. It mounts between the steering rack and the firewall. So, after installation the mot...