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I thought I would put my photos/videos up from my AUE V6 Turbo build because there is not enough info on the AUE engine out there. Power target is 500bhp, if I can get more safely and practically it will be going up. I've seen a stock motor get 474whp/576bhp on YouTube, be interesting to see if it is achievable. My engine is not forged.


If anyone is interested in the build let me know and I will do a spec. 

Also ask any questions you want, I am happy to answer.


The car is going to Stealth Racing UK next week for stock management (ME7.1) mapping, I started this build around 4 weeks ago. R32 Side skirts are being left off as Stealth Racings Dyno is risen from floor level.


The kit does need a respray at some point and the Aristo wheels will be going black. The current wheels have Rainsport 3 tyres on which are nearly new so ill be using those over the winter and then put the Aristo's on next year.


335i is my daily at the moment ;)  




















Edited by VR6TUK
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  • 2 weeks later...

She was mapped Tuesday, she held well up to 1.4bar at 451bhp then blew a silicone off the turbo. We put the jubilee back on and another for good measure and carried on.

From then on the car would not make the same power. We believe a gasket could have gone at the same time.

The inlet has gasket paper so we think it could be that.


The other little issue is on idle the car is over revving on its own, we are not sure why. The mapper tweaked a few bits but it is still happening.


Since then, last night I took the motor out and done some pulls with VCDS plugged in, the throttle is sitting at 5-7% when the car is idling on its own up to 2500rpm which is pointing to a air leak, Pressure tested it and it wasn't holding pressure or the tyre pump at the garage was shot.

Tried to smoke test it but couldn't get any smoke out the break booster pipe when I took it off so not sure whats the crack there as the throttle should be at 3% with ignition on.


Next step is take the SRI off and Throttle Body, bin the paper gaskets and Silicone them up.

Need to order a new Recirc Valve as my mapper was not impressed with the cheap eBay crap I installed ;) Any advice on which Recirc Valve to go with? Dual 710N's was my idea but they blow alot. Ideally 34mm or 40mm inlet/outlet.


Dyno video below





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  • 3 months later...

Hi mate,

I have same AUE engine in my Leon Cupra4 1M and i'm going for turbo too :) 

Did You use head spacer to lower compression? 
Have You change Your intake mainfold?

Maybe You have pics for chain setup? I have few problems with that after installing head spacer.

I'm going to use twinscrool Holset H1E so i'm aiming 400+.

What about Your clutch?


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