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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > NA Engine (non-turbo) / Drivetrain / Exhaust Modifications > ARMA Supercharger N52 - Offical Dyno 291BHP 323i!



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      03-31-2010, 12:37 AM   #1
DimSum
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ARMA Supercharger N52 - Offical Dyno 291BHP 323i!

UPDATE: E90POST MEMBER ATTEMPTS ARMA SUPERCHARGER!
http://www.e90post.com/forums/showpo...&postcount=156



So I got an email from Ben regarding the ARMA supercharger for our N52 2.5L.
They have produced a working supercharger kit for the N52 323i 2.5L.

Quote:
Good day!!
This is Arma Supercharger. We just release E9x 323 325 328 330i SC system.
I will attaché some pictures for your reference. I will also send the dyno test to you.
Our test car is 323i. The stock hp is 178i after install our SC is 291. It raise 60%.
Let me know if you are interested it.

Arma Supercharger
Ben
www.armaspeed.com
Here are the attachments I got on my email. Looks promising, what do you guys think?!

I'm going to inquire about the pricing!

Update 2: Official update on ARMA's website too!
http://www.armaspeed.com/product_1_1.php?catId=316

Quote:
Stage 2 Kit:
Supercharger, mounting brackets, idler pulleys and accessory drive belt, high-flow air filter, supercharger inlet duct, hardware accessories, Fuel Management Computer (FMC), fuel injectors, by pass valve, intercooler.

This system is exclusively added the ARMA-developed STAGE-2 mechanical supercharging system. The horsepower testing shows that the N52 323 2.5 engine’s torque can reach to the level at 313PHP 370 NM, and the 325 2.5 can drive to the torque at 350HP 410NM, moreover, the 330s are even comparable to the torque of V8M3 at 425HP 510NM. The Front Mount Air-to-Air Intercooler, exclusive computer and ARMA Exhaust are the indispensables to push the 3-series to the ultimate. To equip the full kit of ARMA Mechanical Supercharging System is the best buy for the 3-series owners.
Attached Images
         

Last edited by DimSum; 07-01-2011 at 08:38 PM.
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      03-31-2010, 12:48 AM   #2
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damn nice gains. don't think i will actually buy this though haha.
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      03-31-2010, 01:04 AM   #3
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Damn that looks expensive
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      03-31-2010, 08:55 AM   #4
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If its in the price range of 3k I'm in.
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      03-31-2010, 09:16 AM   #5
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Definitely inquire about the price, installation, and reliability... I wonder if this will work on the 330i's with the N52 engine as well (since it has a 3.0L engine instead of the 2.5L one)?
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      03-31-2010, 09:59 AM   #6
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This system looks pricey. I'm guessing it'll be in the 10k range after parts/installation/labour, if not more.

I think a 335 would be a more cost efficient upgrade imho but i'm definitely sub'd to this one. =)
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      03-31-2010, 11:08 AM   #7
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sick looking system..but SC are always more expensive than turbo setups
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      03-31-2010, 07:11 PM   #8
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Another update, Arma mentioned that they have a plug and play ECU system with the right mappings for our cars. It is easy to install. Will find out the pricing and how is the installation.
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      03-31-2010, 07:15 PM   #9
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Thanks for the update!
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      03-31-2010, 07:19 PM   #10
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I've included the new photos with the carbon fiber engine bay and another dyno showing that stage 2 shows 291BHP/345NM Torque!!
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      03-31-2010, 07:19 PM   #11
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Quote:
Originally Posted by Classycali View Post
If its in the price range of 3k I'm in.
Guess you're out then. My god, how cheap can you be? Oh wait, i know already, nevermind.
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      03-31-2010, 07:22 PM   #12
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price??
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      03-31-2010, 08:32 PM   #13
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interesting, im curious about the price as well.
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      03-31-2010, 08:50 PM   #14
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I just got a price quote from Ben@ARMA of $8800, plus 20% off, so $7040. Shipping is $600.

That's for the Stage 3 supercharger for the 330i, which includes the supercharger kit, stander, bleed valve, oil injection, ecu, intercooler, and other accessories.

Optional items are apparently the header LHD for $1320 and an exhaust which includes a variable exhaust vacuum valve for $1800.
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      03-31-2010, 09:01 PM   #15
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      03-31-2010, 09:10 PM   #16
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$7040. Hmm well how about the ECU thing you mentioned? Im more interested in that one I think.
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      03-31-2010, 09:15 PM   #17
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I assume the ECU is effectively a custom tune that accounts for the boost provided by the supercharger kit, but I'm not 100% sure.
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      03-31-2010, 09:20 PM   #18
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Subscribed!!!!!!

Although, I am more interested in the ECU tune mentioned than the SC...
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      03-31-2010, 09:58 PM   #19
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$600 for shipping? What is it, a pallet?
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      03-31-2010, 09:59 PM   #20
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Also, that being said.. those are some impressive performance numbers. Very curious what we would be looking at with a 3.0L...
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      03-31-2010, 10:04 PM   #21
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im curious how much gain is it for 328i. I looked at their site there was no info for 328i
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      03-31-2010, 10:04 PM   #22
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Dimsum, how about some dyno numbers for the basic kit, and a price as well?
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