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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 with Supersprint Headers, full race exhaust and off-road tune



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      04-30-2013, 03:01 PM   #23
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Quote:
Originally Posted by Splinterz88 View Post
I believe he has the n52 in his street car and makes ~285hp last it was dynoned. I don't recall if that was wheel or crank. But he said they are shooting 300hp crank.
Crank HP in my car is about 270-275.

The race car has no emissions to worry about so it's totally free breathing with no restrictions. A street car with emissions I would think would have some issues hitting that number.
300hp may be a stretch, but we're hoping it's close to that.

RMP Motors in Canada is using the N52 for their e90 race car. They are making 298 RWHP and spinning it up to 8,500rpms!

Next week I'll check for the parts. Still in Phoenix this week.
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      04-30-2013, 06:05 PM   #24
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      05-01-2013, 11:52 AM   #25
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Is it wrong that this is making me rather excited!?

Curious to know why you didnt use something else with more power/FI to play around with a lot more power.
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      05-01-2013, 12:07 PM   #26
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Nice setup you got there. Should be a blast to drive on the track!
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      05-01-2013, 01:06 PM   #27
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Quote:
Originally Posted by BoogeyMan'sBMW
Is it wrong that this is making me rather excited!?

Curious to know why you didnt use something else with more power/FI to play around with a lot more power.
Rules for the class that we are running. M engine will force us to add weight and push us up a class. FI is not an option with this engine at all.
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      05-01-2013, 04:03 PM   #28
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This is really cool to see. Do you have a build thread anywhere? I'd love to see the progress from start to finish.
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      05-01-2013, 04:23 PM   #29
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Quote:
Originally Posted by Johnny D
This is really cool to see. Do you have a build thread anywhere? I'd love to see the progress from start to finish.
We will have a build thread once it's complete. My buddy is doing 98% of the build and has taken pics along the way.
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      05-01-2013, 05:57 PM   #30
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this is reaaly cool. i hope to do something similar once i graduate college in a few years.. anxious to see the build and some numbers
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      05-04-2013, 01:56 PM   #31
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Many more pics here:
https://www.facebook.com/greta.s.ung...rksLtd?fref=ts
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      05-04-2013, 03:00 PM   #32
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Hey, any more info on that Dinan throttle body & CAI? As others have said, I didn't realize they were supporting the N52. Cool project, btw.
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      05-04-2013, 03:35 PM   #33
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I have the Dinan Throttle body and CAI on my car already.
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      05-21-2013, 02:21 PM   #34
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does this work on the e90s
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      05-21-2013, 04:56 PM   #35
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Quote:
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does this work on the e90s
They share the same motor. Yes, every motor mod should work on the e90.
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      05-22-2013, 07:14 AM   #36
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I have seen this car on dyno at RMP Motors

N52 3.0L

292HP @ Wheels!!!!

Sounds awsome @ 8400 RPM

I can ask for more information if you like.

You can find some pic and dyno video on the site

www.Rmpmotors.com
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      05-22-2013, 10:49 AM   #37
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Quote:
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I have seen this car on dyno at RMP Motors

N52 3.0L

292HP @ Wheels!!!!

Sounds awsome @ 8400 RPM

I can ask for more information if you like.

You can find some pic and dyno video on the site

www.Rmpmotors.com
Yes, I've spoken to them a few times already. It's a full-blown race engine.
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      05-22-2013, 10:52 AM   #38
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Quote:
Originally Posted by JFOB View Post
does this work on the e90s
Sorry, "my" car is a 2006 330i. I street drive it and have tracked it for seven years now.
Power adders for my 330 include:
Dinan CAI
Dinan Throttle Body
Dinan Exhaust
AA Tune
LSD with 3.38 rear gears (not a power adder, but definitely a huge difference in the way the car drives and feels)
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      05-22-2013, 11:52 AM   #39
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Quote:
Originally Posted by TSM330i View Post
Sorry, "my" car is a 2006 330i. I street drive it and have tracked it for seven years now.
Power adders for my 330 include:
Dinan CAI
Dinan Throttle Body
Dinan Exhaust
AA Tune
LSD with 3.38 rear gears (not a power adder, but definitely a huge difference in the way the car drives and feels)

+1

Have the same Dinan mods as Rob and Quaife LSD. The LSD makes a huge difference on track and wet roads.

I think the trick with N52 cars is to take the weight out. Ideally I would like to get to 3K lbs 300HP at the wheel and have some reliability as well. That would be one awesome machine.

I think Rob is somewhere around 3200 lbs based on his previous posts with carbon fiber body parts. That red 330i is probably very close to 3K lbs empty. The cage adds some weight back unfortunately.

I might have to get those headers at some point ...

GL Rob to your build and happy racing!
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      05-22-2013, 05:04 PM   #40
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I'm thinking that e90 is less than 3k. Probably under 2800lbs.
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      05-22-2013, 05:09 PM   #41
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Bimmerworld 328i e90 race cars

“At 2825 pounds, we are the heaviest car in the field and while we work to balance the effects of physics, until those rules change, we will be looking to GRAND-AM to make some adjustments on their end to bring the competition a little closer together.”
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      05-22-2013, 06:24 PM   #42
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I ask RMP how much the e90 weight. They say 2700 LBS no driver.

WOW
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      05-23-2013, 02:32 AM   #43
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this thread and that car is pure money. great work. I really wish you guys took a baseline dyno before the headers. Haven't seen anyone dyno the SS headers. My custom headers made about 15 wtq and about 12whp on a dynocom. I have another design I haven't tested yet still. Obiwanchen bought a set he will install next week. I hope he has some numbers. Still looking forward to your dyno though.
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      05-23-2013, 08:21 AM   #44
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:O

2700 lbs for an E90 is baby weight.

Curious what they did to the motor to get to 292 whp!
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