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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 > N52 Race Cars - RMP | Turner | Show'em Off



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      06-21-2013, 01:12 AM   #1
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N52 Race Cars - RMP | Turner | Show'em Off

Hi Guys,

I thought maybe we could start a thread to chronicle the different E9X race cars out there and find out more about what has been done. I have been really intrigued by the RMP motors cars. They even have a 2.5 version. Anyways, here are some videos I found. Please share videos and pictures and give us info if you have it.










Engine












Some specs I gathered from the net:
  • Custom Radiatior
  • Custom Headers
  • Custom Exhaust
  • Custom Cam
  • Custom Head
  • Upgraded Electric Water Pump
  • Motec M800 ECU
  • 2690lbs
  • 280whp (info is over a year old)
  • KW Suspension
  • BMW Performance BBK

Last edited by mapleridge; 06-27-2013 at 03:04 AM..
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      06-21-2013, 01:50 AM   #2
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Bimmerworld and Turner both have N52 racecars too. I couldnt ever find any info on either of them though
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      06-21-2013, 02:51 AM   #3
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Rogue Engineering/Bimmerworld



Random(320si)





WTCC



Turner



Apparently built by turner



Random 328i

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      06-21-2013, 04:36 AM   #4
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I have nothing to contribute but these N52 Race Cars sound amazing, off topic but I wonder what i'd have to do to get my car to sound like the one mapleridge linked other than headers and delete all cats? i'm guessing.
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      06-21-2013, 04:40 AM   #5
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Quote:
Originally Posted by JS-NA.E92 View Post
I have nothing to contribute but these N52 Race Cars sound amazing, off topic but I wonder what i'd have to do to get my car to sound like the one mapleridge linked other than headers and delete all cats? i'm guessing.
In truth they're really N54 race cars, to get that sound you're better off trading up to a 335.
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      06-21-2013, 04:54 AM   #6
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Quote:
Originally Posted by Eagle1oh7 View Post
In truth they're really N54 race cars, to get that sound you're better off trading up to a 335.
I don't get what you just said these are N52 Race Cars hence the thread title? and your wrong, you don't need a 335 to get that kind of sound


I'm about to prove you wrong, this isn't a 335 and listen to how it sounds
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      06-21-2013, 05:12 AM   #7
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Quote:
Originally Posted by JS-NA.E92 View Post
I don't get what you just said these are N52 Race Cars hence the thread title? and your wrong, you don't need a 335 to get that kind of sound


I'm about to prove you wrong, this isn't a 335 and listen to how it sounds
I don't believe you got my sarcasm this being the internet and all(and considering the 450hp rotorex and SC threads).
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      06-21-2013, 08:48 PM   #8
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Quote:
Originally Posted by Eagle1oh7 View Post
I don't believe you got my sarcasm this being the internet and all(and considering the 450hp rotorex and SC threads).
The craziest car is the 320si. 4 cylinder engine making 280bhp. It must weigh nothing too. That would be a dream to drive. I mainly started this thread so we can see how light our cars can get and what these guys are doing so maybe we can replicate it on some scale. There isn't much info out there. Anyways. Keep it alive people.
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      06-21-2013, 10:42 PM   #9
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Quote:
Originally Posted by mapleridge View Post
The craziest car is the 320si. 4 cylinder engine making 280bhp. It must weigh nothing too. That would be a dream to drive. I mainly started this thread so we can see how light our cars can get and what these guys are doing so maybe we can replicate it on some scale. There isn't much info out there. Anyways. Keep it alive people.
Yeah, with my listed cosmetic mods, I believe I may have lost at most 70lbs. of OEM weight. Going to get my car weighed eventually. Once I replace it with a 5er when the kiddies are older I'm going to strip my E90 of the usless junk.
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Last edited by Eagle1oh7; 07-27-2013 at 03:27 PM..
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      06-26-2013, 08:07 AM   #10
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I have seen the RMP Motors cars in person!

This winter they made new motor (in your pics above) they make 280+ WHP now!!!!!!!

The 220 HP was with oem computer and stock head (I confirm with RMP)


N52 FTW!
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      06-27-2013, 02:20 AM   #11
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This thread is awesome, thanks OP
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      06-27-2013, 03:02 AM   #12
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That's freaking awesome good work man!

Not a race car but here she is at the track

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      06-27-2013, 03:03 AM   #13
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Quote:
Originally Posted by n52330i View Post
I have seen the RMP Motors cars in person!

This winter they made new motor (in your pics above) they make 280+ WHP now!!!!!!!

The 220 HP was with oem computer and stock head (I confirm with RMP)


N52 FTW!
Thanks for the info. If you talk to them again please ask what they did exactly to get that increase. I will update the first post with the new whp. That is truly impressive. I'd also like to know how they shaved so much weight off the car. I also know they have a 2.5L n52. I wonder what that puts down.


Quote:
Originally Posted by SOL403 View Post
This thread is awesome, thanks OP

my pleasure. I hope we get more info on other cars.
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      06-27-2013, 04:27 PM   #14
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coool!
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      07-26-2013, 05:47 AM   #15
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Not a race car, my car is fairly stock for competing in AmaterCup (CR). I have N53B30 engine with software from DS Motorsport, Supersprint exhaust, SPEC kevlar clutch and 3.46 dif. Front and rear suspension is from M3 with Bilstein B16 and BMW Performance brakes.

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      07-26-2013, 11:05 AM   #16
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Whats the point of this....they r race cars, even a corolla can turn to a 300 hp race car
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      07-26-2013, 12:03 PM   #17
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Whats the point of this....they r race cars, even a corolla can turn to a 300 hp race car
yeah but they aren't corollas......they are bmws....with our engine....
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      07-26-2013, 09:39 PM   #18
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Quote:
Originally Posted by BudVlad View Post
Not a race car, my car is fairly stock for competing in AmaterCup (CR). I have N53B30 engine with software from DS Motorsport, Supersprint exhaust, SPEC kevlar clutch and 3.46 dif. Front and rear suspension is from M3 with Bilstein B16 and BMW Performance brakes.

Nice I bought the performance brake calipers in the rears. still need the fronts. Have you dyno'd after all your mods?
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      07-27-2013, 02:30 AM   #19
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DS Motorsport dyno’d the car after the ECU mod. Since then I added BMW Performance airbox and Supersprint exhaust without secondary cats. I’m planning to remove primary cats and dyno it again.

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      07-27-2013, 04:58 PM   #20
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Is the N53 the 330i motor that EU got with DI? Something like 275hp? Must be a pleasure.
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      07-28-2013, 02:46 AM   #21
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Quote:
Originally Posted by StealYourFace View Post
Is the N53 the 330i motor that EU got with DI? Something like 275hp? Must be a pleasure.
N53 is basically same as N52 except the DI and it doesn’t have valvetronic. It has better airbox and exhaust manifold. With some mods you can get over 300 hp.
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      02-17-2021, 08:32 PM   #22
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Quote:
Originally Posted by Delusive View Post
I don't get what you just said these are N52 Race Cars hence the thread title? and your wrong, you don't need a 335 to get that kind of sound


I'm about to prove you wrong, this isn't a 335 and listen to how it sounds
Holy s#!t i was wearing headphones and am now deaf af...
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