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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, 10:12 PM   #23
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Quote:
Originally Posted by snipersix View Post
im curious how much gain is it for 328i. I looked at their site there was no info for 328i
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Originally Posted by IancoleTX View Post
Dimsum, how about some dyno numbers for the basic kit, and a price as well?
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.

Read the first post.
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      03-31-2010, 10:15 PM   #24
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Where does the 328 sit?

Damn I'd be all over this but I need guinea pigs before I do it lol!
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      03-31-2010, 10:18 PM   #25
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Where does the 328 sit?

Damn I'd be all over this but I need guinea pigs before I do it lol!
The 330 3.0L is the same as the 328 engine. So your probably looking around 370hp.

The 323i in Canada is the same as the 325i 2.5L in Asia so the 323i Canadian will produce the same output as the 325 2.5L.
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      03-31-2010, 10:49 PM   #26
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But was the N52 designed for this much power? Should reliability be a concern?
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      03-31-2010, 10:54 PM   #27
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Quote:
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Where does the 328 sit?

Damn I'd be all over this but I need guinea pigs before I do it lol!
You and Kriston should do this!

This mod would be the "jump off" and take things to a whole new level.
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      03-31-2010, 11:11 PM   #28
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These numbers are so enticing. but reliability makes me concerned especially because this engine was not meant to handel boost.

lets see when this comes state side.
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      03-31-2010, 11:16 PM   #29
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These numbers are so enticing. but reliability makes me concerned especially because this engine was not meant to handel boost.

lets see when this comes state side.
+1 Someone guinea pig it up lol!
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      03-31-2010, 11:17 PM   #30
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The numbers look good, but the engine bay could use some more work. Where are these guys located anybody know?
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      03-31-2010, 11:25 PM   #31
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The numbers look good, but the engine bay could use some more work. Where are these guys located anybody know?
taiwan i believe.
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      03-31-2010, 11:35 PM   #32
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hmm, I've seen their videos on youtube they look legit but are we safe putting a non-German product (especially a supercharger) in our BMWs?

I mean I have never heard of ARMA before few threads in here.. It would be hard to pull the trigger on this product unless the pricing is ultra attractive.
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      04-01-2010, 12:49 AM   #33
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the price i assume is going to be $$$$$$$$$$$$$$
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      04-01-2010, 03:01 AM   #34
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i wanna see this in action
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      04-01-2010, 06:16 AM   #35
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Quote:
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$600 for shipping? What is it, a pallet?
Beats me... $600 is a lot for shipping! They say after payment clears, it'll take "20 working days" for delivery.

Quote:
Originally Posted by IancoleTX View Post
Also, that being said.. those are some impressive performance numbers. Very curious what we would be looking at with a 3.0L...
Their website says 425 hp and 376 ft-lb of torque. That looks like a 65-70% increase in performance!

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These numbers are so enticing. but reliability makes me concerned especially because this engine was not meant to handel boost.

lets see when this comes state side.
There are a lot of NA engines out there originally not meant to handle boost, but they have reliable supercharger and turbo kits available for them.

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+1 Someone guinea pig it up lol!
I hear you're volunteering for us?
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Last edited by Chewy734; 04-01-2010 at 06:27 AM.
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      04-01-2010, 06:37 AM   #36
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I actually have a shop about half an hour south of me that would definitely be able to install this kit for me, since they do a lot of custom engine work and have tons of experience installing aftermarket turbos and superchargers. But ~$9k for the kit and the header shipped is too rich for my blood. My guess is it would be ~$10-11k installed.

I had asked that shop about a month ago to see if either a turbocharger or supercharger could be installed on our NA cars, and they said anything is possible... it'll just take some time and potentially a lot of money.

They recommended a turbo charger since it would be easier overall to do because of the lack of space in the engine compartment and underneath. Since it would be a completely custom job, I think they said something ~$8-10k for a turbo rated up to 600 hp. The hardest part for them will be the ECU adjustment for boost though, since they can't do it themselves, so we'd have to get LET to look at it and see what they can do. But, apparently this kit already includes the ECU adjustments, so maybe it'd be easier/feasible from the get-go.
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      04-01-2010, 07:06 AM   #37
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Quote:
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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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$600 for shipping? What is it, a pallet?

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      04-01-2010, 08:14 AM   #38
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sick looking system..but SC are always more expensive than turbo setups
thats not ture...turbo systems require a custom exhaust manifold that could cost a bundle if not already supplied with one.
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      04-01-2010, 08:23 AM   #39
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How reliable are super chargers in comparison to turbos ?
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      04-01-2010, 08:29 AM   #40
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How reliable are super chargers in comparison to turbos ?
Good question...

Reliability
In general, superchargers enjoy a substantial reliability advantage over the turbocharger. When a a turbo is shut off (i.e. when the engine is turned off), residual oil inside the turbo's bearings can be baked by stored engine heat. This, combined with the turbo's extremely high rpms (up to 150,000rpm) can cause problems with the turbo's internal bearings and can shorten the life of the turbocharger. In addition, many turbos require aftermarket exhaust manifolds, which are often far less reliable than stock manifolds.
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      04-01-2010, 10:18 AM   #41
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But really? 7k for a supercharger made in Taiwan? I mean I'm not be racist or anything but 7k made in Taiwan or a third world country seems like a rip off. For instance, u can get a full custom body kit-bumpers, skirts etc, for 1k. And, I also agree about the reliability, do they know what they are doing? I mean I've seen many japanese cars with superchargers or turbos, like civics etc, but we dnt really wanna screw our car over.. They are much more ex than certain jap cars
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      04-01-2010, 10:20 AM   #42
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^ I agree... if it was in the $3-5k range, I would consider it... I would like to have it, but $9k for a supercharger isn't pocket change.
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      04-01-2010, 10:31 AM   #43
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$ 9K-10K you can get a dedicated company in superchargers to make one for your car specifically.
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      04-01-2010, 11:03 AM   #44
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Quote:
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But really? 7k for a supercharger made in Taiwan? I mean I'm not be racist or anything but 7k made in Taiwan or a third world country seems like a rip off. For instance, u can get a full custom body kit-bumpers, skirts etc, for 1k. And, I also agree about the reliability, do they know what they are doing? I mean I've seen many japanese cars with superchargers or turbos, like civics etc, but we dnt really wanna screw our car over.. They are much more ex than certain jap cars
HEY! WE AINT NO SOME THIRD WORLD COUNTRY!!!!!
And just so you know, products made in Taiwan are known by how reliable it is!

But I do have to say that their price is a bit too high.. I was thinking more about 4k-5k..
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