Pathetic V2 dyno results!!!!!!

Driver72 · 01-20-2008, 03:44 PM

it's the BMC airfilter holding your numbers back.
Throw in the K&N and you'll be golden.

Just look at it this way, regardless of what the numbers say, you are close to where you should be.
FYI, I've seen and heard of aftermarket exhaust systems actually robbing power in some cars.
Maybe it's the magnaflow exhaust. ??
Some aftermarket exhaust systems aren't designed the best with power additions in mind, they are designed for sound and may actually hurt, not help.

Also, look at it this way, with any other tune you need to run race gas to get better results than the v2 on pump gas.

Your torque numbers are nice and high FWIW.
That tells me you have the power down low, but might not have all you could in the mid to high rpm range where peak HP is made.
That again could be from lack of enough air getting in, or a restriction from your aftermarket exhaust that might actually not be as free flowing as the stocker...small chance but possible.

OpenFlash · 01-20-2008, 04:27 PM

Quote:

Originally Posted by E90ice

Yes, I live in Seattle.

I've done a few Evo dyno days up there (Portland, Seattle, etc,.) in the past few years and i was always dissappointed with the results. And i've used more than a couple different dynos. I used to joke about your 92oct being worse than our 91oct. i think there might be some truth to this.

Shiv

E90ice · 01-20-2008, 05:23 PM

Quote:

Originally Posted by shiv@vishnu

I've done a few Evo dyno days up there (Portland, Seattle, etc,.) in the past few years and i was always dissappointed with the results. And i've used more than a couple different dynos. I used to joke about your 92oct being worse than our 91oct. i think there might be some truth to this.

Shiv

Anything is possible.

Shiv, quick question.

My car NEVER had an oil change and it has 18k miles and half level of oil. I have an appt on Wed for on oil change.

Is it possible for the engine to perform poorly (dyno less in this case) due to the above oil reasons?

Seattle135is · 01-20-2008, 05:29 PM

Quote:

Originally Posted by shiv@vishnu

I've done a few Evo dyno days up there (Portland, Seattle, etc,.) in the past few years and i was always dissappointed with the results. And i've used more than a couple different dynos. I used to joke about your 92oct being worse than our 91oct. i think there might be some truth to this.

Shiv

So, my 335 V2 got 347RWHP/390 RWTQ SAE (364/402 uncorrected) yesterday - only other diff with mine is the K&N filter - don't know if I'll even call that a mod - V2 setting on 94 and I only use Shell V-power gas.
My joke to the guys was that I NEVER break in new cars according to manufacturer specs - I drive 'em out of the showroom like I stole it - even did this with the 997TT - I started doing this a few years back when I did ED on an E39 M5 - the BMW rep that handed the car over insinuated the break-in was a good way to get the new owner accustomed to the car and its capabilities rather than any technical reason - this debate was as big as Procede vs XXXXX on the bimmer.org board a few years back.

OpenFlash · 01-20-2008, 05:34 PM

Quote:

Originally Posted by E90ice

Anything is possible.

Shiv, quick question.

My car NEVER had an oil change and it has 18k miles and half level of oil. I have an appt on Wed for on oil change.

Is it possible for the engine to perform poorly (dyno less in this case) due to the above oil reasons?

You've driven 18k miles on the original oil?

BMW oil change requirments are absolute bs. They have to pay for oil changes/maintenence so its no surprise that they don't necessary recommend what is best for your engine.

FWIW, I changed to nonsynthetic oil at 100 miles. Did another change at 500 miles. And then again every 3000-4000 miles. With nearly 30k on the clock, my oil has been changed several times. I switched to synethic at around 5000 miles.

Shiv

normtrum · 01-20-2008, 05:42 PM

Ok...did you go to Carb Connections in Kirkland? that's where I go, I have a basline there + several runs on 1.45. They kept trying to run the car incorrectly.... (I have a step) a few times in 3rd gear, several times in 4th gear but starting at 3000 rpm's. I finally talked them into letting me do it. I put it in sport mode, got it into 4th gear, then started at 2000 rpms. It went perfectly. my 1.47 numbers were about 330 hp and 380 torque.

So I guess what I'm trying to figure out is first if you did in fact go to CC, and second did they run your car properly.

If you ended up going to Auburn, then I feel somewhat foolish for writing all this.

E90ice · 01-20-2008, 06:03 PM

Quote:

Originally Posted by normtrum

Ok...did you go to Carb Connections in Kirkland? that's where I go, I have a basline there + several runs on 1.45. They kept trying to run the car incorrectly.... (I have a step) a few times in 3rd gear, several times in 4th gear but starting at 3000 rpm's. I finally talked them into letting me do it. I put it in sport mode, got it into 4th gear, then started at 2000 rpms. It went perfectly. my 1.47 numbers were about 330 hp and 380 torque.

So I guess what I'm trying to figure out is first if you did in fact go to CC, and second did they run your car properly.

If you ended up going to Auburn, then I feel somewhat foolish for writing all this.

Yes, we did it at Carb Connection. I started around 2500 rmps in 4th gear.

I'm wondering if my low/old oil had something to do with it.

I'm going back soon to get a baseline and try again after oil change.

normtrum · 01-20-2008, 06:24 PM

Quote:

Originally Posted by E90ice

Yes, we did it at Carb Connection. I started around 2500 rmps in 4th gear.

I'm wondering if my low/old oil had something to do with it.

I'm going back soon to get a baseline and try again after oil change.

Just make sure you start at 2000 rpms in 4th gear. I had jeff running my car....and the first 6-7 runs showed terrible numbers, until he let me get in the car and do it correctly. He also forgot to set the fans up in front of the car...until I said something about it.

turbotko · 01-20-2008, 06:25 PM

You need to buy a supra man.........those things lay down some killer dyno numbers!!

But seriously, my highly refined and accurately tuned butt dyno tells me my car runs better on some days than others, even when the DA should be close on all the days. It also seems pretty sensitive to oil temp, she seems quite a bit slower until I get the oil above 200 degrees. These DME's in the cars also do all sorts of crazy things with boost depending on conditions, I've never driven a turbo car that seems to get faster immediately after 2-3 hard runs when most cars would be heatsoaked.

Don't sweat the numbers man, they really don't mean a whole lot. If you're running 93 octane and 14.5-15 psi of boost, you're making the same power everybody else is on V2.

E90ice · 01-20-2008, 07:31 PM

Quote:

Originally Posted by normtrum

Just make sure you start at 2000 rpms in 4th gear. I had jeff running my car....and the first 6-7 runs showed terrible numbers, until he let me get in the car and do it correctly. He also forgot to set the fans up in front of the car...until I said something about it.

Thanks. I'll try starting at 2000 rpms next time.

Driver72 · 01-20-2008, 08:28 PM

Quote:

Originally Posted by Seattle335

So, my 335 V2 got 347RWHP/390 RWTQ SAE (364/402 uncorrected) yesterday - only other diff with mine is the K&N filter -

See, that's what I said.
He needs to get rid of that BMC and get the K&N

Driver72 · 01-20-2008, 08:30 PM

18K miles on the original oil????

Wow, that must be like molasses by now.

E90ice · 01-20-2008, 08:50 PM

Quote:

Originally Posted by Driver72

18K miles on the original oil????

Wow, that must be like molasses by now.

Yeah, i'm wondering if that could have affected performace numbers.

Driver72 · 01-20-2008, 08:53 PM

Quote:

Originally Posted by E90ice

Yeah, i'm wondering if that could have affected performace numbers.

Yes, oil thickens as it "breaks down" and gets old and dirty.
That will in fact cause more friction and loss of some power.
It's not like it'll rob you of 20 hp or anything, but it very well could be attributed to 5 or so.

cn555ic · 01-20-2008, 09:10 PM

Why would you wait that long to change the oil?

E90ice · 01-20-2008, 09:14 PM

Quote:

Originally Posted by cn555ic

Why would you wait that long to change the oil?

Well, the stealer did not want to change the oil until the car signaled to.
And I didn't feel like I should pay $100 for the oil change because it is included in the warranty. So I just waited...

but I do have an appointment in a couple of days, then I re-dyno and see.

cn555ic · 01-20-2008, 09:21 PM

Yeah I hear you, but I hope your leasing the car...I own mine and shit I would never wait till the service engine tells me to change the oil...Oil change every 3000-4000 miles max for me!

ArmyBimmerDude · 01-20-2008, 09:29 PM

Quote:

Originally Posted by cn555ic

Yeah I hear you, but I hope your leasing the car...I own mine and shit I would never wait till the service engine tells me to change the oil...Oil change every 3000-4000 miles max for me!

Every 7k for me, but yeah....going 18k without an oil change? I wonder whats happened to that engine already...

dr.roro · 01-20-2008, 09:43 PM

You are killing your engine with that original oil!! Get a UOA and you'll see...

Bubbles · 01-20-2008, 09:49 PM

Quote:

Originally Posted by cn555ic

Why would you wait that long to change the oil?

+10, what's 75$ bucks, when you are driving the car under heavy load (running a piggy-back)? Another reason why not to purchase a used car.

cn555ic · 01-20-2008, 09:55 PM

The oil is not just for the pistons and rings. TURBOS TOO!!!!!!

E90ice · 01-20-2008, 10:10 PM

Quote:

Originally Posted by Shadyg

+10, what's 75$ bucks, when you are driving the car under heavy load (running a piggy-back)? Another reason why not to purchase a used car.

I'm running V2. But i did what the dealer said. So if anything gets messed up, it's their god damn fault for being so cheap.

01-20-2008, 03:44 PM	#45
Driver72 Brigadier General 351 Rep 4,484 Posts Drives: 335i - to new owners now. Join Date: Dec 2006 Location: California iTrader: (0)	it's the BMC airfilter holding your numbers back. Throw in the K&N and you'll be golden. Just look at it this way, regardless of what the numbers say, you are close to where you should be. FYI, I've seen and heard of aftermarket exhaust systems actually robbing power in some cars. Maybe it's the magnaflow exhaust. ?? Some aftermarket exhaust systems aren't designed the best with power additions in mind, they are designed for sound and may actually hurt, not help. Also, look at it this way, with any other tune you need to run race gas to get better results than the v2 on pump gas. Your torque numbers are nice and high FWIW. That tells me you have the power down low, but might not have all you could in the mid to high rpm range where peak HP is made. That again could be from lack of enough air getting in, or a restriction from your aftermarket exhaust that might actually not be as free flowing as the stocker...small chance but possible.
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01-20-2008, 05:42 PM	#50
normtrum Colonel 52 Rep 2,225 Posts Drives: e90 335i, e46 330i Join Date: Feb 2007 Location: PNW iTrader: (1)	Ok...did you go to Carb Connections in Kirkland? that's where I go, I have a basline there + several runs on 1.45. They kept trying to run the car incorrectly.... (I have a step) a few times in 3rd gear, several times in 4th gear but starting at 3000 rpm's. I finally talked them into letting me do it. I put it in sport mode, got it into 4th gear, then started at 2000 rpms. It went perfectly. my 1.47 numbers were about 330 hp and 380 torque. So I guess what I'm trying to figure out is first if you did in fact go to CC, and second did they run your car properly. If you ended up going to Auburn, then I feel somewhat foolish for writing all this. __________________ 07 335i sedan \| Steptronic \| Black saphire \| Terra \| ZPP \| ZSP \| Cold Weather \| CA \| PDC \| Nav \| OEM Alarm
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01-20-2008, 06:25 PM	#53
turbotko Lieutenant 67 Rep 527 Posts Drives: 09 E90 M3 Join Date: May 2007 Location: georgia iTrader: (3)	You need to buy a supra man.........those things lay down some killer dyno numbers!! But seriously, my highly refined and accurately tuned butt dyno tells me my car runs better on some days than others, even when the DA should be close on all the days. It also seems pretty sensitive to oil temp, she seems quite a bit slower until I get the oil above 200 degrees. These DME's in the cars also do all sorts of crazy things with boost depending on conditions, I've never driven a turbo car that seems to get faster immediately after 2-3 hard runs when most cars would be heatsoaked. Don't sweat the numbers man, they really don't mean a whole lot. If you're running 93 octane and 14.5-15 psi of boost, you're making the same power everybody else is on V2. __________________ 10 AW on fox E90 M3 with 2 pedals, gentleman’s ride 08 AW on fox E92 M3 also 2 pedals, a bit more rowdy
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01-20-2008, 08:30 PM	#56
Driver72 Brigadier General 351 Rep 4,484 Posts Drives: 335i - to new owners now. Join Date: Dec 2006 Location: California iTrader: (0)	18K miles on the original oil???? Wow, that must be like molasses by now.
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01-20-2008, 09:10 PM	#59
cn555ic 464 Rep 18,331 Posts Drives: 335i Join Date: Jun 2007 Location: US iTrader: (6)	Why would you wait that long to change the oil?
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01-20-2008, 09:21 PM	#61
cn555ic 464 Rep 18,331 Posts Drives: 335i Join Date: Jun 2007 Location: US iTrader: (6)	Yeah I hear you, but I hope your leasing the car...I own mine and shit I would never wait till the service engine tells me to change the oil...Oil change every 3000-4000 miles max for me!
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01-20-2008, 09:43 PM	#63
dr.roro Captain 213 Rep 847 Posts Drives: 2025 G05 X5 Join Date: Oct 2007 Location: MD iTrader: (2) Garage List 2025 BMW X5 xDrive40i [0.00]	You are killing your engine with that original oil!! Get a UOA and you'll see...
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01-20-2008, 09:55 PM	#65
cn555ic 464 Rep 18,331 Posts Drives: 335i Join Date: Jun 2007 Location: US iTrader: (6)	The oil is not just for the pistons and rings. TURBOS TOO!!!!!!
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