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      06-04-2013, 01:44 PM   #1
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Supercharged N52 Z4 from UK - VF based supercharger

I use Pocketmags online magazine service. So imagine my surprise when I found an article from October 2012 about a N52 supercharger NOT from Asia or ARMASpeed!

Magazine: Total BMW October 2012 pg. 50-56
Tuner Company: Regal Automotive Ltd. http://www.regal-auto.co.uk/
https://www.facebook.com/regalautosport

Synopsis: Regal Automotive modified VF e46 kit to fit z4 N52 with N52 specific fabrication and software. Result just over 300 hp ( claim 50% power increase on 3.0i z4 215hp = 322hp). Stable over 2500 miles in Oct 2012 and meets MOT in UK. VF-Engineering wants to buy back this kit to market to NAmerican market.

Cost: GBP 5500 in-garage install --> ~9k USD. GBP 7k was development cost of the featured car.

Article:
DISCLAIMER - these snaps are taken from my own copy
Attached Images
File Type: pdf N52 Supercharger.pdf (1.01 MB, 524 views)
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"The 1-series is the last car that BMW engineered before the Germans, as a car-making culture, fell out of love with driving." - R&T 2013 135is

Last edited by andrey_gta; 06-04-2013 at 03:25 PM.
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      06-04-2013, 01:46 PM   #2
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Huh. Cool find.
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      06-04-2013, 01:50 PM   #3
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go figure, thats a mighty hefty price tag tho
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      06-04-2013, 01:54 PM   #4
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Whoa!
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      06-04-2013, 02:17 PM   #5
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9k to be at 322hp lol no thanks, nice find tho.
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      06-04-2013, 02:33 PM   #6
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Posted PDF.

Yes price and other factors make it not for everyone. But it is nice to know it has finally been done and it is not an Aisan kit.
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"The 1-series is the last car that BMW engineered before the Germans, as a car-making culture, fell out of love with driving." - R&T 2013 135is

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      06-04-2013, 02:34 PM   #7
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Why cant reputable companies like AA or VF do something like this, they already have the products, the quality, and the experience. I would def pay 4 k for 100-120 wheel horsepower. Just adding a 1k exhaust gives you 5-10 whp...
I think they are having big trouble with the tuning, i don't want to say they are not real tunners but compared to tuners in Germany who can get 30whp+ out of an n52 is crazy. It would be awesome if could finally develop something good for our n52 platform.
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      06-04-2013, 02:48 PM   #8
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Quote:
Originally Posted by e92mac View Post
Why cant reputable companies like AA or VF do something like this, they already have the products, the quality, and the experience
Read the article - VF wants to buy back the licence of this kit

German tuners post great gains for 215hp powered 125i/325i/3.0i z4. Most n52 top out at like 270-275 hp, especially if you consider the following - better gas in Europe, european air box or european performance intake,MSV70 vs MSV80 change in 2006 where MSV80 lacks some 10 hp tuned, Eurospec Exhaust manifolds , all German results measured in PS or kW not HP (try converting those gains looking at wheels horesepower or in german Re....., I have done it). You'll see that often the cost to use German tune for us North Americans becomes expensive for those 10 extra HP. The German tuned US spec 325i on here posted modest HPgaind but it was the Torque that was a clear win and result of secret know-how.

UK tuners I consider very good alternatives to Germans, they speak English and many offer Remote kits. I used Evolve. Two others exist too, one willing to try.
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"The 1-series is the last car that BMW engineered before the Germans, as a car-making culture, fell out of love with driving." - R&T 2013 135is

Last edited by andrey_gta; 06-04-2013 at 02:55 PM.
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      06-04-2013, 02:53 PM   #9
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Quote:
Originally Posted by e92mac View Post
Why cant reputable companies like AA or VF do something like this, they already have the products, the quality, and the experience. I would def pay 4 k for 100-120 wheel horsepower. Just adding a 1k exhaust gives you 5-10 whp...
I think they are having big trouble with the tuning, i don't want to say they are not real tunners but compared to tuners in Germany who can get 30whp+ out of an n52 is crazy. It would be awesome if could finally develop something good for our n52 platform.
Dude what do you need a SC for anyways? You already have the fastest 328 on the whole forum.

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      06-04-2013, 02:56 PM   #10
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Overall, I posted the article to inspire and settle an age old supercharger argument on the N52.

Questions not answered yet:
What would happen if you increase PSI? What about headers? Add meth? etc.
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In-progress: e46 m3 trans mnt, e36M lip Wishlist: m3 susp, n55 eng mnt, headers, LSD, finn dif e60


"The 1-series is the last car that BMW engineered before the Germans, as a car-making culture, fell out of love with driving." - R&T 2013 135is

Last edited by andrey_gta; 06-04-2013 at 03:09 PM.
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      06-04-2013, 03:11 PM   #11
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Oh God benzo... haha..
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      06-04-2013, 03:45 PM   #12
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Dude what do you need a SC for anyways? You already have the fastest 328 on the whole forum.


LMAO
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      06-04-2013, 04:22 PM   #13
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The problem is not just making a Supercharger kit.. We made a full system within days but, the real problem is the lack of a throttle body. When you have a valvetronic system you don't have any vacuum to run the bov system. Coming up with a reliable and cheap solution (under 6 grand) is no easy task.

Another problem we face is the quality of the automatic transmission. Many users may face slippage when running the boost levels we were targeting.

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      06-04-2013, 04:30 PM   #14
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SC would just make the car perfect. It just needs that small amount of torque (which i think the n52 lacks ) and hp. Yes, you laugh much but how funny is to spend all that money on a "tune" and 3 stage manifold and headers and still get beat by the same car without that? I dont think 4-5 k is worth 20 hp. Thats not even including, full exhaust and intake. For that price and 100 whp anyone would prefer a SC. Neither is nitrous shots or meth worth it (i have considered it before) , you always end up with bad results. Most of these tuners use the same software, it is just sold and distributed. Even eurocharged stated to me once that they use to tune for AA.
But yeah hopefully they do purchase the only available supercharger kit for the platform and distribute it. They would most probably improve it too. I wouldn't doubt on purchasing one.

OP great post by the way, at least it gives us hope
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      06-04-2013, 04:42 PM   #15
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Quote:
Originally Posted by e92mac View Post
SC would just make the car perfect. It just needs that small amount of torque (which i think the n52 lacks ) and hp. Yes, you laugh much but how funny is to spend all that money on a "tune" and 3 stage manifold and headers and still get beat by the same car without that? I dont think 4-5 k is worth 20 hp. Thats not even including, full exhaust and intake. For that price and 100 whp anyone would prefer a SC. Neither is nitrous shots or meth worth it (i have considered it before) , you always end up with bad results. Most of these tuners use the same software, it is just sold and distributed. Even eurocharged stated to me once that they use to tune for AA.
But yeah hopefully they do purchase the only available supercharger kit for the platform and distribute it. They would most probably improve it too. I wouldn't doubt on purchasing one.

OP great post by the way, at least it gives us hope
That is not true at all. Eurocharged has never helped us make any of our tunes nor have they been a part of the development of any of our products.
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      06-04-2013, 04:48 PM   #16
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That is not true at all. Eurocharged has never helped us make any of our tunes nor have they been a part of the development of any of our products.
Hey Andrew this is what i received from them once, i cant say is true but thats what they sent me:

Yeah we usually make just a bit more power than AA - we actually tune for AA now too so they're well aware how we roll .

Exact numbers vary because of mods, I am not sure I have data on the BMW PE but I can tell you adding a drop in filter or cold air intake will also help you A LOT. You can expect a solid gain of at least 15hp but the big difference maker is going to be the torque bump you get between about 2800-5500 RPMS. The car pushes up to max power a lot quicker (and smoother if you have AT).
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      06-04-2013, 04:55 PM   #17
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If you guys had a supercharger i would love to get it. You guys have shown quality in your products and had become probably the most reputable company here in florida. In my own opinion the n52 market is pretty big, i know many people say just switch to a 335i but some like their 328i like me lol. People with 328i die for some hp, and headers have to be imported from SuperSprint or MMW which they dont make anymore. Almost all tunes give similar hp and aftermarket cold air intakes suck.

AA product on a n52 would be a big +++++!
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      06-04-2013, 05:40 PM   #18
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Quote:
Originally Posted by e92mac View Post
SC would just make the car perfect. It just needs that small amount of torque (which i think the n52 lacks ) and hp. Yes, you laugh much but how funny is to spend all that money on a "tune" and 3 stage manifold and headers and still get beat by the same car without that? I dont think 4-5 k is worth 20 hp. Thats not even including, full exhaust and intake. For that price and 100 whp anyone would prefer a SC. Neither is nitrous shots or meth worth it (i have considered it before) , you always end up with bad results. Most of these tuners use the same software, it is just sold and distributed. Even eurocharged stated to me once that they use to tune for AA.
But yeah hopefully they do purchase the only available supercharger kit for the platform and distribute it. They would most probably improve it too. I wouldn't doubt on purchasing one.

OP great post by the way, at least it gives us hope
Uh, I sure hope all that mumbo-jumbo made sense in your head, cuz I don't have a clue WTF you were trying to say there.
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      06-04-2013, 05:42 PM   #19
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In conclusion...we need more power on the n52!!! (Supercharger)

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Uh, I sure hope all that mumbo-jumbo made sense in your head, cuz I don't have a clue WTF you were trying to say there.
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      06-04-2013, 05:44 PM   #20
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In conclusion...we need more power on the n52!!! (Supercharger)
LOL! Gotcha.
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      06-04-2013, 05:44 PM   #21
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Exact numbers vary because of mods, I am not sure I have data on the BMW PE but I can tell you adding a drop in filter or cold air intake will also help you A LOT. You can expect a solid gain of at least 15hp but the big difference maker is going to be the torque bump you get between about 2800-5500 RPMS. The car pushes up to max power a lot quicker (and smoother if you have AT).
Oh dear. 15hp with just a drop in filter? Please tell me more about this amazing mod!!
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      06-04-2013, 05:59 PM   #22
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Oh dear. 15hp with just a drop in filter? Please tell me more about this amazing mod!!
Lol i dont think he is talking about the intake, i think the BMW PE. All i remember is selling my AFE cold air intake for low performance !
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