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YYCBMW 01-10-2013 01:22 PM

328CI Supercharger questions
 
Hi everyone!
Well, I am going to supercharge my 328CI likely next summer. I am hoping that some of you can help me through some questions I have. After researching as best I can I am 90% convinced the ESS twin screw style s/c system is the one I want, however I have a few reservations that Iíd like to put past you, the ďexpertsĒ ;)

First of all, a bit of background on the car, itís a 2000, 328CI automatic (steptronic or whatever they call it) with 135,000km / 85,000 miles on it. Itís a RWD car that is in fantastic condition for its age. I want to up the HP and enjoy it a few more years and to give myself a new hobby now that Iím selling my í65 mustang. I am going to do the install myself. What I enjoy out of a sports car is quick acceleration and power when I need it for passing cars on a single lane highway. Iím not so concerned with maximizing horsepower as I know that the automatic is limited as to what horsepower it can make (+/- 15hp makes no difference for me). The prices these days between the 3 main s/c systems seem to be pretty comparable, so price is not really a huge factor.

Now the concernsÖIím concerned mostly about the excess engine noise. Iíve heard that the twin screw s/c system is loud. I would love to hear from someone who has owned both the centrifugal and twin screw s/c system for a comparison.

Also, a little back story here, I once owned a 1.8T Jetta and I installed a cold air intake and it lasted only a couple days b/c I didnít want a car that sounded like it should have been in fast and the furious. I donít think that s/c systems divert the excess boost into the CAI, but if someone can confirm that for me Iíd appreciate it. I donít want to have the same thing happen as before with my Jetta. Are s/c systems a closed system for FI?

I have read a lot of good things about AA and VF s/c systems and are considerations, however even with those systems they all require ECU upgrades, but does the ECU software upgrade adjust anything for an automatic, i.e. shift points?

Iíve owned many turbo cars and I like the feeling of the turbo taking effect, however, Iíd like to have a more raw feeling where by Iím getting more horsepower earlier in the RPM range so that I can have access to that power sooner, which is what I think the twin screw s/c will provideÖcorrect me if Iím wrong...:thumbup::thumbdwn:

Thanks in advance for the help!!!

TrippinBimmer 01-10-2013 01:50 PM

ESS is a Good Kit. Not much louder then the AA and VF kit. If I had to do it again I would gone ESS. For the Auto just need to do some Mods and it be ready to rock and roll.

-Anthony

YYCBMW 01-10-2013 03:38 PM

Hi Anthony, thanks for the reply. Nice ride btw! I'll upload some of mine sometime. I'm sippin on a beer on the beach in Mexico at the moment, life's good! What are the mods you recommend I do to the tranny? Do the mods make the tranny shift better or just to handle more horsepower? Which kit do you have?

TrippinBimmer 01-12-2013 12:27 AM

I have a thread on it somewhere. I am about to take my valve body off to get modded. The more I think about it everyday. Really want my car to be a standard so I can free rev it :)

YYCBMW 01-12-2013 01:26 PM

Nice, I'll have a look for the thread.

I've owned pretty much manuals exclusively until this BMW. My other car is an Audi A4 Avant with APR 91 and 93 octane programs. It's a 6 speed manual but for the first time in almost 20 years I've been driving, I'm kind of sick of the manual. I'm looking to sell it next fall and buy a used Q7 TDI for a daily driver.

The bimmer for an automatic actually drives pretty good in stock mode. I think the ESS system will be pretty awesome on the car. My plan is to put in the supercharger then in a couple years or so buy a convertible M3 w/ SMG tranny. I might even put a supercharger on that car too if my experience is good, haha (wonder if the ESS system is transferable to the M3 Hmmmm I'll have to look into that one) :)

My friend has a 2007 335xi (coupe) with the GIAC chip and that thing is crazy fast! I drove it once and pinned it and the front tires almost came off the ground! I think he said it was about 450hp with the chip according to GIAC.

Actually I have another Q for you. When you accelerate and let off the throttle, does the boost from the s/c discharge into the cold air intake tubing? I have never owned a s/c system, but when I put that CAI on my turbo Jetta it discharged into the CAI tubing which I wasn't a fan of.

TrippinBimmer 01-12-2013 07:16 PM

Quote:

Originally Posted by YYCBMW (Post 15054890)
Nice, I'll have a look for the thread.

Actually I have another Q for you. When you accelerate and let off the throttle, does the boost from the s/c discharge into the cold air intake tubing? I have never owned a s/c system, but when I put that CAI on my turbo Jetta it discharged into the CAI tubing which I wasn't a fan of.

One the ESS kit it recir in the Charger as the bypass valve is right behind the charger. With the AA and VF Kit they Discharge into the Intake Tube.

-Anthony

Miss325 01-13-2013 07:58 PM

I'm not sure about the ESS kit, but the AA is extremely loud (loud enough that people stop and ask you what hp you are making). I can't imagine ESS would be that bad?

ASA (or G-Power now?), is virtually silent.

xixixi 01-13-2013 08:20 PM

Quote:

Originally Posted by TrippinBimmer (Post 15048706)
ESS is a Good Kit. Not much louder then the AA and VF kit. If I had to do it again I would gone ESS. For the Auto just need to do some Mods and it be ready to rock and roll.

-Anthony

sry to thread jack, is ess doing your tranny software?:)

TrippinBimmer 01-13-2013 09:28 PM

Quote:

Originally Posted by xixixi (Post 15057838)
sry to thread jack, is ess doing your tranny software?:)

No sir, ESS doesn't have a GM Software for the TC. I am going/doing a custom setup.

YYCBMW 01-15-2013 09:51 AM

Quote:

Originally Posted by Miss325 (Post 15057776)
I'm not sure about the ESS kit, but the AA is extremely loud (loud enough that people stop and ask you what hp you are making). I can't imagine ESS would be that bad?

ASA (or G-Power now?), is virtually silent.

Thanks for the note
Is the AA kit just loud on idle, while driving, or both? That's my biggest concern is it being loud. I've heard the VF kit is pretty quiet too. I haven't heard of the ASA kit before. I'll have to look into it. Is it a Centrifugal or Twin Screw? I've been trying to listen on youtube to people who have their car s/c'd but I can't tell if it's loud haha.

I talked to AA and ESS about their systems and they do not do any software adjustments for the auto tranny either.
Cheers!

TrippinBimmer 01-15-2013 10:00 AM

Quote:

Originally Posted by YYCBMW (Post 15062720)
Thanks for the note
Is the AA kit just loud on idle, while driving, or both? That's my biggest concern is it being loud. I've heard the VF kit is pretty quiet too. I haven't heard of the ASA kit before. I'll have to look into it. Is it a Centrifugal or Twin Screw? I've been trying to listen on youtube to people who have their car s/c'd but I can't tell if it's loud haha.

I talked to AA and ESS about their systems and they do not do any software adjustments for the auto tranny either.
Cheers!

AA kit at idle you hear the sc whine. At shifts u hear pssssh and cruising you hear a faint psssh.

The G-Power kit is a centrifugal kit.

ESS is the quiet then AA and VF and Gpower is the quietest/silent...

The tranny mod you will have to come up on your own...

YYCBMW 01-15-2013 10:13 AM

Thanks Anthony, you have been so helpful! I had a quick look at the G-Power kit and they didn't have one specifically for the 328, but I imagine it's the same as the 330. I'll give them a call/email sometime and let you guys know. Did you ever find that thread you wrote about the tranny mod? I'd be interested to read it.

TrippinBimmer 01-15-2013 10:28 AM

Quote:

Originally Posted by YYCBMW (Post 15062770)
Thanks Anthony, you have been so helpful! I had a quick look at the G-Power kit and they didn't have one specifically for the 328, but I imagine it's the same as the 330. I'll give them a call/email sometime and let you guys know. Did you ever find that thread you wrote about the tranny mod? I'd be interested to read it.

In theory, it will bolt in no problem but the issue is does g-power have a tune for it.

Here is the thread. I will be updating in a few weeks :)

http://forum.e46fanatics.com/showthread.php?t=937899

Anthony

YYCBMW 01-18-2013 10:58 AM

I found the price list (PDF) for the G-power 328 but it's just not on their website under E46 Supercharger kits. I emailed them a week ago and still no response. The price is crazy high, around $6500 Euro :yikes:!!! That's over $8,000CDN and USD. It doesn't look any different in terms of content from the other kits available. I can't wait to hear back from these guys to see if that's accurate.
Anyway, thought I'd post an update...
Cheers!

TrippinBimmer 01-18-2013 11:05 AM

That sounds about right...

MachRc 01-18-2013 11:52 AM

Quote:

Originally Posted by YYCBMW (Post 15073160)
I found the price list (PDF) for the G-power 328 but it's just not on their website under E46 Supercharger kits. I emailed them a week ago and still no response. The price is crazy high, around $6500 Euro :yikes:!!! That's over $8,000CDN and USD. It doesn't look any different in terms of content from the other kits available. I can't wait to hear back from these guys to see if that's accurate.
Anyway, thought I'd post an update...
Cheers!

the only difference in the gpower is that it uses an ASA clutched compressor. Unlike any other centri is is silent at idle as it is designed to bypasses the blower. It uses vacuum pressure so that it drives the blower only when you put your feet on the gas pedal. Its a very efficient and great supercharger.

Ive had two cars with ASA superchargers on it and believe me they're quite awesome.
http://asasc.com/2011/asa-supercharg...technology/146

YYCBMW 01-18-2013 02:03 PM

Thanks for the info!
What intrigues me about this setup is the silent aspect :)
I have only had a quick browse of the internet, but who else distributes these kits? I've only seen it on the G-Power website so far. It would be nice if it was closer in price to the ESS system.

NFSx328ci 01-18-2013 02:22 PM

Here is a video of my AA stage 2 328ci idling. This was taken when I first installed it. I'll try and get you actual footage of everything if you want. I just uploaded it, I've been meaning to do it anyways for a while now

http://www.youtube.com/watch?v=e4sXjEfkYCg

MachRc 01-18-2013 03:08 PM

http://www.youtube.com/watch?v=jhXRaLweLr0

my old 330ci with ESS tx-2 kit which used the ASA tm-12. No noise at idle

YYCBMW 01-18-2013 03:43 PM

Thanks guys! Much appreciated. I will certainly have a listen tonight (after work...I might get some strange looks haha).

MachRc, is that ASA tm-12 a clutch based s/c?


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