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      03-16-2020, 05:56 PM   #1
markslc1
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128i FBO Dyno Run

First time running on a dyno and got some pretty decent results

N52
Modded Airbox w/silicon Elbow
AA headers
BMW Performance Exhaust
3-stage Intake Manifold
AA Tune.

View post on imgur.com
<< Loudest car of the day!

Results
HP: 242
TQ: 215

Which I'm thinking is pretty high assuming there is some drivetrain losses to factor in. The group I was with typically sees E36 M3's in the 205HP range with similar torque. But we had an E46 M3 hit around 280HP. So being somewhere in between is right what I expected.




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      03-16-2020, 06:23 PM   #2
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Good job, man!
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      03-17-2020, 08:25 AM   #3
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Quote:
Originally Posted by markslc1 View Post
First time running on a dyno and got some pretty decent results

N52
Modded Airbox w/silicon Elbow
AA headers
BMW Performance Exhaust
3-stage Intake Manifold
AA Tune.

Video: LINK << Loudest car of the day!

Results
HP: 242
TQ: 215

Which I'm thinking is pretty high assuming there is some drivetrain losses to factor in. The group I was with typically sees E36 M3's in the 205HP range with similar torque. But we had an E46 M3 hit around 280HP. So being somewhere in between is right what I expected.




Again.
Wow not to much done and that's fun driving power 👏🏼
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      03-17-2020, 10:46 AM   #4
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Awesome! Great #s
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      03-17-2020, 11:16 AM   #5
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Did you baseline the car on this dyno, by chance? Curious was the +% was.
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      03-17-2020, 11:30 AM   #6
markslc1
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Quote:
Originally Posted by Soterios View Post
Did you baseline the car on this dyno, by chance? Curious was the +% was.

No. This was my first time on the dyno
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      03-17-2020, 02:15 PM   #7
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Quote:
Originally Posted by markslc1 View Post
No. This was my first time on the dyno
No worries. Great numbers. I bet that thing rips!
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      03-17-2020, 02:43 PM   #8
markslc1
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Quote:
Originally Posted by Soterios View Post
Quote:
Originally Posted by markslc1 View Post
No. This was my first time on the dyno
No worries. Great numbers. I bet that thing rips!
Quote:
Originally Posted by Soterios View Post
Quote:
Originally Posted by markslc1 View Post
No. This was my first time on the dyno
No worries. Great numbers. I bet that thing rips!
With the headers and PE it sounds fantastic. And generally quiet around town. It definitely feels quicker than my e36m3 did after 40mph.
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      03-21-2020, 09:14 PM   #9
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2009 BMW 128i  [5.00]
Those are great numbers! I love how nice the N52's torque curve is. It's a very well set-up N/A motor.

An N54 intake manifold would give you a little more power at the very top of the rev range, and MILVS would net you ~8hp and ~8lb-ft across the power band, all wrapped-together with a StageFP tune. Maybe 255whp, if you wanted any more.
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      03-21-2020, 10:59 PM   #10
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Nice. Alot of people underestimate bolt on 128s. They will definitely give E46 M3s a run for their money on the track with the right upgrades.
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      03-22-2020, 11:57 AM   #11
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Quote:
Originally Posted by Soterios View Post
Did you baseline the car on this dyno, by chance? Curious was the +% was.
I think this is the most accurate way. I should have done it with my car.

Great numbers regardless OP
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      03-22-2020, 11:24 PM   #12
markslc1
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[QUOTE
An N54 intake manifold would give you a little more power at the very top of the rev range, and MILVS would net you ~8hp and ~8lb-ft across the power band, all wrapped-together with a StageFP tune. Maybe 255whp, if you wanted any more.[/QUOTE]

I'd be interested to see how the n54 manifold would change the curve. I would think you would use some low end. Got any dynos with those mods?
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      03-23-2020, 05:12 AM   #13
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Quote:
Originally Posted by markslc1 View Post
[QUOTE
An N54 intake manifold would give you a little more power at the very top of the rev range, and MILVS would net you ~8hp and ~8lb-ft across the power band, all wrapped-together with a StageFP tune. Maybe 255whp, if you wanted any more.
I'd be interested to see how the n54 manifold would change the curve. I would think you would use some low end. Got any dynos with those mods?[/QUOTE]

There are dyno's on the "3" series board with the N54 combo. You do lose a little TQ down low (I think around 8-10lbs IIRC), but you continue to gain up top past 7K rpm like Chris said.

Milvs are a great bolt-on. I did them when I replaced my VCG. It's like adding Headers all over again....but the gains are in the low-mid rev range.
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      03-23-2020, 08:48 AM   #14
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Quote:
Originally Posted by Rmtt View Post
I'd be interested to see how the n54 manifold would change the curve. I would think you would use some low end. Got any dynos with those mods?

There are dyno's on the "3" series board with the N54 combo. You do lose a little TQ down low (I think around 8-10lbs IIRC), but you continue to gain up top past 7K rpm like Chris said.

Milvs are a great bolt-on. I did them when I replaced my VCG. It's like adding Headers all over again....but the gains are in the low-mid rev range.
Ive heard that milvs are the next step Sounds like Id need to buy a stagefp tune in order to make them work. Which I hate to do because I already invested in my aa tune. Which would make milvs a $1500 proposition all-in. Install looks a little tricky as well. But they are definitely on my mind.
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      03-23-2020, 12:52 PM   #15
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Quote:
Originally Posted by markslc1 View Post
Ive heard that milvs are the next step Sounds like Id need to buy a stagefp tune in order to make them work. Which I hate to do because I already invested in my aa tune. Which would make milvs a $1500 proposition all-in. Install looks a little tricky as well. But they are definitely on my mind.
It looks tricky, but once you have it apart it's easy to see how they go in. I didn't use the "washer method".....I rented a spring removal tool from the guy that sells the Milvs. Once you send your old ones back, it almost pays for itself.

I can understand the tune. I was fortunate in that I went with Bob from Stagefp from the start through all of my mods.

One other thing you could consider if you haven't done it...is a rear diff swap. The 3:73 out of the Autos give you the biggest bang for SOTP feel. You can feel that more than all the other "bolt-on's" combined in my opinion.

250whp with a set of 3:73's in this car is a blast!
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      03-26-2020, 01:13 PM   #16
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Any drone with the headers+PE combo?
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      03-26-2020, 01:26 PM   #17
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Any drone with the headers+PE combo?

I was expecting some based on reviews. But I have not experienced much at all. It's loud at WOT but very quiet otherwise.
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      03-26-2020, 01:48 PM   #18
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Quote:
Originally Posted by markslc1 View Post
Ive heard that milvs are the next step Sounds like Id need to buy a stagefp tune in order to make them work. Which I hate to do because I already invested in my aa tune. Which would make milvs a $1500 proposition all-in. Install looks a little tricky as well. But they are definitely on my mind.
Contact Nic @ AA, they have a MILVS tune now. I did a dyno test after I installed MILVS with several runs stock, and several after the tune. Didn't make a huge difference at the top, but there was probably ~6hp and quite a bit more tq across the lower end of the range.
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      03-26-2020, 03:08 PM   #19
markslc1
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Quote:
Originally Posted by crowtrobot View Post
Quote:
Originally Posted by markslc1 View Post
I've heard that milvs are the next step Sounds like I'd need to buy a stagefp tune in order to make them work. Which I hate to do because I already invested in my aa tune. Which would make milvs a $1500 proposition all-in. Install looks a little tricky as well. But they are definitely on my mind.]

Contact Nic @ AA, they have a MILVS tune now. I did a dyno test after I installed MILVS with several runs stock, and several after the tune. Didn't make a huge difference at the top, but there was probably ~6hp and quite a bit more tq across the lower end of the range.
Quote:
Originally Posted by markslc1 View Post
I've heard that milvs are the next step Sounds like I'd need to buy a stagefp tune in order to make them work. Which I hate to do because I already invested in my aa tune. Which would make milvs a $1500 proposition all-in. Install looks a little tricky as well. But they are definitely on my mind.
Contact Nic @ AA, they have a MILVS tune now. I did a dyno test after I installed MILVS with several runs stock, and several after the tune. Didn't make a huge difference at the top, but there was probably ~6hp and quite a bit more tq across the lower end of the range.
That would be a game changer for me. It sounds like you gained 6hp with milvs and tune. Not just milvs alone. Given I would have a free tune upgrade and the milvs cost, that's not too bad.
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      04-06-2020, 06:02 PM   #20
markslc1
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I contacted AA and they do have the milv tune. Gotta wait until the corona dies down to get it though.
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