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Forced Induction Forum Sponsored by Active Autowerke
Discuss supercharging, turbocharging and even nitrous and water injection here.
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Old 08-16-2014, 10:14 AM   #1
BurgundyM3
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On the fence - deposit on ESS 575, thinking of switching to MAXPSI Turbo

Car will see a lot of track time, including laps at the 'Ring. Deposit is on, but order has not been placed. Talk me out of the ESS 575, or into staying with the ESS.

I'm most concerned with how useable the turbo is on track.

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Old 08-16-2014, 12:02 PM   #2
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Find a Turbo M3 In your area and take a test drive.....i assume you've taken a test ride in an ESS 575 S/C kit but if you can afford it......TURBO FTW! a stage 1 would be perfect for you!
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Old 08-16-2014, 03:11 PM   #3
BurgundyM3
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I'm from the Bay Area but I live in wine country in France. Rare to see any M3 here, let alone one with Forced induction. I've driven a ESS 525 E46 M3 that was stripped, race prepped on the track. Really enjoyed it, but I was first sold on the MaximumPsi Turbo kit and then figured SC would be better for the track. But now I'm thinking that power doesn't look too spiked and that with a good amount of rubber that I could get the power down. In short, Turbo is starting to look more interesting. Thankfully, it isn't too late to back out of the SC. They quoted me at 12K in Euros, including installation, custom fees, and rod bearing replacement for the 575 kit.

Still, quite tempted to go with the turbo that would actually be cheaper it seems...
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Old 08-19-2014, 03:31 PM   #4
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Turbo or nothing

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Old 08-19-2014, 03:39 PM   #5
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Turbo or nothing

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I was in the same boat for awhile, then I road in a Level 2 AA car and was quite impressed based on cost for what you get. On my old E36 I despised the SC options compared to a custom Gt35r setup, but on the S54 the rotrex and HKS blowers match well. Then again I had a precision 74 then 76 on my S54, so lag was an issue.
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Old 08-19-2014, 03:51 PM   #6
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Go with the Stage II AA Kit.



You won't be disappointed.
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Old 08-19-2014, 06:35 PM   #7
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Rich, when I ride in a sc e46 m3 I couldn't tell it was any faster then stock. This was in 2008 when I was a stage 1 hpf running pump most of the time so can't say I was way faster

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Old 08-19-2014, 06:39 PM   #8
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Supercharger? Lols

Turboooooo of course
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Old 08-19-2014, 07:04 PM   #9
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What is the realistic "out the door" price tag on ESS S/C vs Max PSI Turbo ?



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Nitrous is a little trickier than boost, but it's not the spray that kills motors, it's STUPIDITY!!
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Old 08-19-2014, 08:56 PM   #10
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What is the realistic "out the door" price tag on ESS S/C vs Max PSI Turbo ?



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after good headers i would say your better of doing a turbo... supercharger 9 psi all the way to red line
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Old 08-19-2014, 09:12 PM   #11
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Consider it this way, i bought an E46 M3 just to get MaximumPsi turbo kit for its pure performance, I already own a we'll put E36 M3 so I went all the way to stage 3 on the E46. I've had AA SC a while ago....will never regret switching to turbo.
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Old 08-20-2014, 10:14 AM   #12
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I was gonna go with the maxpsi kit myself, but I could never get through to talk to anyone on the phone, and email responses where days apart if I even got a reply. So I lost interest for the time being.

An opportunity presented itself for me to get into a ESS VT2-550 kit for rediculously cheap.... So I jumped on it and have the kit on my car now. Unfortunately I can't give you a first hand review as of yet as I had a surgery and cannot drive. I did get my brother to take me for a drive in the car with him driving (so I have an idea, but it's not the same unless your driving your own car!! The car pulls GREAT, a SC really compliments the powerband of the S54 (and I am not really a SC type of person) so I need my own seat time to give a fair review (hopefully in a few weeks) I will say this though, a c6 Z06 didn't have enough lol!

I am still waiting to get some dyno time with my tuner to really dial the car in, but for a base map it's running really well.
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Old 08-20-2014, 11:53 AM   #13
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There is a reason ppl with a SC eventually upgrade to a Turbo...the natural progression to something better!
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Old 08-20-2014, 11:56 AM   #14
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There is a reason ppl with a SC eventually upgrade to a Turbo...the natural progression to something better!
It more has to do with overall power in the S54 with a turbo as compared to a SC. For someone who only wants say 500whp then a SC is fine. But if one wants much more then turbo is the only option.
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Old 08-20-2014, 12:45 PM   #15
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Rich even if I wanted only 500whp it's still no brainer to me to go turbo. More efficient less stress Dont take power to make power etc and the power comes in more to my likely. Centrifugal superchargers are just crap imo

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Old 08-20-2014, 12:50 PM   #16
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Rich even if I wanted only 500whp it's still no brainer to me to go turbo. More efficient less stress Dont take power to nose power etc and the power comes in more to my likely. Centrifugal superchargers are just crap imo

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That was really good,
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Nitrous is a little trickier than boost, but it's not the spray that kills motors, it's STUPIDITY!!
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Old 08-20-2014, 01:08 PM   #17
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There is a reason ppl with a SC eventually upgrade to a Turbo...the natural progression to something better!
TRUTH!!!!! I will turbo my car soon enough, I just know it lol! Once you've been in a well set up turbo car nothing else seems like a viable option as a power adder IMO!!
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Old 08-20-2014, 01:35 PM   #18
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Rich even if I wanted only 500whp it's still no brainer to me to go turbo. More efficient less stress Dont take power to make power etc and the power comes in more to my likely. Centrifugal superchargers are just crap imo

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If money is not a deciding factor then yes turbo for sure (I went this route when I was building my E46 M3), but if cost does matter then it is hard to beat an AA Prima Plus Supercharger Kit at $6,500 for over 500whp. Every person has different budgets etc. All this talk of boost makes me miss it even more
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Old 08-20-2014, 06:33 PM   #19
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I'm waiting for the MaxPSI kit to get a little more refined and more longterm driving feedback is noted. The chopped up underpan really bothers me, anyone do anything cool to mask it? I've seen no pictures
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Old 08-20-2014, 07:49 PM   #20
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On the fence - deposit on ESS 575, thinking of switching to MAXPSI Turbo

Quote:
Originally Posted by BurgundyM3 View Post
Car will see a lot of track time, including laps at the 'Ring.
I'm most concerned with how useable the turbo is on track.

As much as I love turbo ... I would be concerned at the track with one... If u were to track the car u would need IMO very very large cooling system that's includes turbo and wastgate water cooling and increased oil. U would need this on a supercharger as well but not to the same extent as a turbo... I think track car and turbo on stock motor would not last if the horsepower was much more than 500... I suspect u would be quicker with built NA motor as far as track times as driving skill beats horsepower every day... My e36 NA race car eat high horsepower cars all the time and I would spend money on suspension and breaks as they will make the difference in lap-times more than horsepower. Now if ur an experienced racer then it would be a different story and I'm unsure of ur skill level.... Put it this way.... Back in 1995 bmwcca asked me to remove my supercharger before they would give me a licence ... To my surprise I was faster as a result and in my first race I placed 1st over all. ..... Turns out horsepower was In the way of my true potential. Lol
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