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First ESS Supercharged N52 Z4 dynoed

2003 - 2009, roadster, coupe, facelift
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Beedub
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Re: First ESS Supercharged N52 Z4 dynoed

Post by Beedub » Fri Sep 11, 2015 9:44 pm

or to really chill it down.... water injection?? bmw using it on their new gt4... could work here too :-)
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bmwZ
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Re: First ESS Supercharged N52 Z4 dynoed

Post by bmwZ » Fri Sep 11, 2015 9:48 pm

bmwZ wrote:
ba3bas wrote:Bonnet vents??

To be honest for a first stab im impressed.

You could always get an air duct from the grill to the filter and make a heat shield on the engine bay side of the filter
That will be my next mod:) But don't think bonnet vents will be clean enough

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Re: First ESS Supercharged N52 Z4 dynoed

Post by bmwZ » Fri Sep 11, 2015 9:49 pm

Beedub wrote:or to really chill it down.... water injection?? bmw using it on their new gt4... could work here too :-)
Yeah, but very little space...

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Re: First ESS Supercharged N52 Z4 dynoed

Post by Beedub » Fri Sep 11, 2015 9:53 pm

water injection uses little to no space under the hood.... most systems lot mount a tank or use the washer tank, its literally just a line with a atomised spray nossel, very neat and very easy to implement.
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Re: First ESS Supercharged N52 Z4 dynoed

Post by NeilP » Sat Sep 12, 2015 12:24 pm

That bay looks fantastic.

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Re: First ESS Supercharged N52 Z4 dynoed

Post by Brasseye » Sat Sep 12, 2015 12:38 pm

Looks great. Got a drive by video yet ?
The linear power of super chargers are just so drive able compared to hi boost turbos

Thanks for sharing.

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Re: First ESS Supercharged N52 Z4 dynoed

Post by bmwZ » Wed Sep 16, 2015 10:07 pm

Beedub wrote:water injection uses little to no space under the hood.... most systems lot mount a tank or use the washer tank, its literally just a line with a atomised spray nossel, very neat and very easy to implement.
I have looked around for maby doing water injection after you came with the idea. Thanks :)

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Re: First ESS Supercharged N52 Z4 dynoed

Post by pokeybritches » Thu Sep 17, 2015 1:45 am

Here's my water/meth injection:

Image

Image

Apologies for the dirty engine bay, as the car was a daily driver.

The water helps cool the intake temps while the methanol is effectively like running race gas all the time. The progressive controller is set so the spray comes on at 4 psi on my car (9 psi is max boost). I used about 10% of the water/meth tank after 2 full tanks of gas. It doesn't take much. Setup is key.
Supercharged Z4 3.0i, 2x Supercharged Z4M

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Re: First ESS Supercharged N52 Z4 dynoed

Post by bmwZ » Thu Sep 17, 2015 7:20 pm

Thanks for the pics and info. Do you have a nozzle before and after supercharger?

Think I will do that in spring time next year:)

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Re: First ESS Supercharged N52 Z4 dynoed

Post by pokeybritches » Thu Sep 17, 2015 8:31 pm

Only after. The nozzle should be positioned so it's not spraying directly onto any sensors (I'm not sure what sensors the N52 has). The trunk-mounted tank and pump are actually fastened to a carpeted board, so I can pull the whole thing out in less than a minute. It's very clean.

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Supercharged Z4 3.0i, 2x Supercharged Z4M

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Re: First ESS Supercharged N52 Z4 dynoed

Post by ba3bas » Thu Sep 24, 2015 3:23 pm

Any updates?
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Untitled by Ba3bas, on Flickr

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Re: First ESS Supercharged N52 Z4 dynoed

Post by buzyg » Thu Sep 24, 2015 4:30 pm

Look like a neat set up. Your going to have fun developing that further. :)
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Re: First ESS Supercharged N52 Z4 dynoed

Post by Beedub » Thu Sep 24, 2015 4:53 pm

the key OP is to get the nozzle are far away as possible from the intake so literally right after the s/c in your case. You want the fluid to atomize correctly and chill the air down, it also has a lovely effect of steaming cleaning the internals of your engine! WMI can simulate using race grade fuel in the right conditions. Just install it in a way thats unobtrusive so you can remove when you want without any mods to the actual car / wiring.
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Re: First ESS Supercharged N52 Z4 dynoed

Post by 20posaunen » Thu Nov 12, 2015 9:45 pm

This is a really cool mod! Could you load a video of the car running with the supercharger? I'd like to see/hear it under the hood at startup, idle, & revs.
:thumbsup:

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Re: First ESS Supercharged N52 Z4 dynoed

Post by bmwZ » Fri Nov 13, 2015 10:35 pm

When I'm starting to finish the car I will post a video. The car has always been in pieces either engine, body or interior vice since I started modding it.
My interior is in pieces for the moment, it's time to get started :)

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