CPI 135i make 330 whp @ ODR

laloosh

New member
So after spending some time yesterday tuning the car we went to diff dyno's to see the results. 1st stop was Rally's dyno. We were there doing some afr's so we did a power run and the car put out 276 wkw and 570 nm. We no that this is a generous dyno so we went to JK and the car made 313 atf. Seemed very generous as well so we then went to ODR and it made 330 hp atw which seemed to be acceptable as we no ODR dyno sets the std here in dbn.
All in all I'm quite happy with the tune esp for just a software upgrade and no hardware at all. On the road the car feels very smooth even Avi333 complemented on the smoothness. Just hope she hooks up on sunday.
 

George Smooth

///Member
laloosh said:
So after spending some time yesterday tuning the car we went to diff dyno's to see the results. 1st stop was Rally's dyno. We were there doing some afr's so we did a power run and the car put out 276 wkw and 570 nm. We no that this is a generous dyno so we went to JK and the car made 313 atf. Seemed very generous as well so we then went to ODR and it made 330 hp atw which seemed to be acceptable as we no ODR dyno sets the std here in dbn.
All in all I'm quite happy with the tune esp for just a software upgrade and no hardware at all. On the road the car feels very smooth even Avi333 complemented on the smoothness. Just hope she hooks up on sunday.


Good luck for Sunday. May the traction Gods be with you. The 330whp will see you into the twelves if you can hook up in first.
 
A

anile8-zn

Guest
Well done .
As reference my 335 made 290whp there stock.
With sw and decat I made 348whp
330 with sw is good going
 
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anile8-zn

Guest
the decat and downpipes make a huge difference ,
i didnt even have the car retuned with the pipes
it picked up power anyway, especially in the midrange .
it really is the best mod !
 

Track Master

New member
anile8-zn said:
the decat and downpipes make a huge difference ,
i didnt even have the car retuned with the pipes
it picked up power anyway, especially in the midrange .
it really is the best mod !



Have seen a M Coupe NA with sw only making 330whp down in Durb's..pretty impressive
 
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anile8-zn

Guest
My brothers stock z4 m coupe with 2000km on the clock made 322 bhp on the same dyno.
The z4 mcoupes are very strong , stock for stock they faster than v8 m3's
 

ASH M

Active member
anile8-zn said:
My brothers stock z4 m coupe with 2000km on the clock made 322 bhp on the same dyno.
The z4 mcoupes are very strong , stock for stock they faster than v8 m3's

You must be joking right? :thinker: Faster than a v8 M3? I'm not saying this because i own a V8 M3 it's because i also had the e46 M3 (same engine as the Z4 M).

No doubt the Z4 M is quick but even with my e46 when it was stock i used to run with a Z4 M. I certainly can't even compare it to the V8.

But anyway, did it make 322bhp on the wheels or fly?
 
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anile8-zn

Guest
Tested many many times .
It made 322 at the wheels same dyno my v8 made 350 atw stock.
My bro ran 13.5 in jhb in stock form with that car.
There are like 4 m coupes in dbn that I have seen punish stock v8's.
Maybe u had a strong e46 m. Cause in my experience stock z4 is miles quicker than a stock 46.
 

ASH M

Active member
Good times there :thumbsup:

Since the Z4 makes a manufacture claimed 252 kw at the fly, how can it make 322hp or 240kw atw? Shouldn't drivetrain losses come into play.

From my experience 240kw atw equates to around +280kw at the fly.

Maybe the Z4 was very strong and was pump fuel used?
 
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anile8-zn

Guest
The z4 uses different mapping , gearbox, headers , and intake from the e46 m.
The brakes come from a csl aswell .
I think this combination makes the z4 make more power than claimed .
The z4 is also a very difficult car to drive at it's full potential .
As such there are great variances with road races .
Boned on this forum also had a z4 which matched and in some instances bettered the v8.
On longer stretches the v8 will run better , but we are talking stock vs stock here to the factory limited
 

BonedM3

New member
anile8-zn said:
The z4 uses different mapping , gearbox, headers , and intake from the e46 m.
The brakes come from a csl aswell .
I think this combination makes the z4 make more power than claimed .
The z4 is also a very difficult car to drive at it's full potential .
As such there are great variances with road races .
Boned on this forum also had a z4 which matched and in some instances bettered the v8.
On longer stretches the v8 will run better , but we are talking stock vs stock here to the factory limited

The Z4 M is quick up to 200km, the v8 does come back after that.


ASH M said:
anile8-zn said:
My brothers stock z4 m coupe with 2000km on the clock made 322 bhp on the same dyno.
The z4 mcoupes are very strong , stock for stock they faster than v8 m3's

You must be joking right? :thinker: Faster than a v8 M3? I'm not saying this because i own a V8 M3 it's because i also had the e46 M3 (same engine as the Z4 M).

No doubt the Z4 M is quick but even with my e46 when it was stock i used to run with a Z4 M. I certainly can't even compare it to the V8.

But anyway, did it make 322bhp on the wheels or fly?


same day same drag, I ran 13.70 with my E46 M and a stock v8 M ran 13.79
 

ASH M

Active member
:nono: No no, don't get me wrong i'm not saying its the same car as the e46 M3 or is slower than the V8, it just that the dyno figures say that the manufactures claims are wrong?

Sure power to weight ratio plays a big part on the road/track but the dyno will give you the engines output via the wheels.

So is BMW lying to us and actually bringing their own product down by claiming a lower output?

I don't know maybe i was mislead by the few Z4 M's i raced with my e46, hopefully i get to take one on with my V8 and then know what you guys are talking about.
 

Twinz

Forum - Support
Staff member
I agree with all the stuff Anile said.:thumbsup:

What i also find interesting but not surprised by is the fact that two bone stock vehicles of the same model and year of manufacture can push out different numbers on a dyno. I also still think that the early 335's had more on tap than its later model sibblings.
 

ASH M

Active member
Point noted, but why now jump from a Z4 M to a 335i to prove a point(totally different cars here)? Sure every car be it same make, same model, same year etc.... don't always put out the same figures and some run much stronger than others.

As for the G5 GTI you can't compare it to these rear wheel drive vehicles as it is a front wheel drive and drivetrain losses is way less than that of a rear wheel drive. So one will expect "a strong one", to put down wheel figures close to the figure at the fly.

We can compare results on the dyno all day long and not come to conclusion because there is just too much of factors that come into play on a dyno. Like taking the same car to two different dynos on the same day and getting different figures.

Coming back to the Z4 M vs V8 M3, here is a clip of them on a airfield :

 
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anile8-zn

Guest
You mentioned BMW and products .
As such if they can under quote one model why not another ?

As to the video , there are plenty of them online .
Here is a video of a z4 in Durban beating a clk63

Videos never tell the whole story.
If it did we can deduce that a z4 m is faste than a clk63 in any race. Of course it is not
My bro owned a z4 an me the v8 , so we have had first hand experience with these cars , like I said this is in my experience .
Perhaps you can test and post your experiences here aswell


Also the Bwa spec gti is know to make more power than 147kw across the board .
Drivetrain losses aside they make closer to 165kw than 147kw.
 

ASH M

Active member
Sure videos can't be taken seriously these days however the link i did post was from m5board.com.

Have a look their websites and see the type of cars they test.

http://www.gtboard.com/
http://m5board.com/
http://m6board.com/

Gustav is the owner and has a huge reputation overseas. So much so that he was even invited by Active Autowerke to test drive their supercharged e90 M3 before it went into production.

These guys don't fool around, they test the likes of the latest Ferrari's, Lambo's, Koenigsegg's, Zonda's and most of all what they love to test BMW's (modded & stock).

He was actually filming the video from the Z4 M, i swear by these guys. They don't just make videos to fool people on youtube they allow the guy from street to run his stock performance/super car to the max against another, hence the 50kph to 250kph. There is also many DVDs of theirs released. If they where bullshitters i don't think a guy in his brand new Ferrari 458 Italia or Merc SLS will put their million rand supercars on the line for some youtube fun.

Then again it my opinion of GTboard.com, therefore i thought showing you a clip made by them seemed worth while.
 
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