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-   -   E46 330i Supercharged looking for more boost in stock engine...water meth inquiry (http://www.maxbimmer.com/forums/showthread.php?t=171905)

El Gato Liso 01-12-2017 07:47 AM

E46 330i Supercharged looking for more boost in stock engine...water meth inquiry
 
Hey all!

My e46 is charged with a 6psi pulley. I was thinking of grabbing a smaller pulley to aim for roughly 9-psi.

My engine is currently stock and non intercooled. I was thinking of adding a water meth kit to allow safe operation of the higher boost, without intercooling or engine modification.

My question is...how does water/meth kit work along side tuning? I know some may be boost operated...

I'm really trying to wrap my head around the tuning aspect with water/meth. So far all I can think is once X boost is reached, water/meth then comes on and sprays away while boost increases...and ecu is tuned to do its thing with the higher boost, as per normal.

What if the water/meth runs out? Can the ecu be tuned to cut out at X rpm to prevent boost from increasing?

Thanks for any help folks!
-Rob

Dinanstu 01-12-2017 08:01 AM

I have never heard of any tunes for the 330 to do what you want, unfortunately.
There are a lot of tunes for the E 36 M3, so perhaps Karl an active out of work might have something for you…

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vehiclemech 07-18-2018 02:26 AM

What kind of super charger are you running?
Active Autowerke, VF Engineering?

El Gato Liso 07-18-2018 09:50 PM

Quote:

Originally Posted by vehiclemech (Post 1700423)
What kind of super charger are you running?
Active Autowerke, VF Engineering?

I?m usign VF engineering kit with a vortech blower! I?m using the V2 version

vehiclemech 07-19-2018 03:25 AM

Your ECU definitely needs to be tuned in order to take full advantage of the meth injection

Here’s a common kit used amongst bmws
https://www.ecstuning.com/b-aem-elec...n-kit/30-3000/

From my understanding meth injection works via throwing in more cool air and decreasing combustion temperatures which results in more power.

The kit comes with a controller that lets you set at what rpm and boost should the injection happen.

Here’s a link explaining what it is and how it works
https://youtu.be/HkPFZWd8wj4


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