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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > JB4 Meth Downpipes DCI Dyno results.



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      11-23-2011, 07:31 PM   #1
Chadd
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Thumbs up JB4 Meth Downpipes DCI Dyno results.

I am stoked on the numbers. I love my car....
08 E90 335i, JB4, WW Meth, MS DP, DCI, on CA 91 pump gas.


Big thanks to Terry Burger from BMS! Your customer service is second to none bro And your products kick ass



And thanks to Greg over at SpecialtyZ in chatsworth for letting us use your Dyno.
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      11-23-2011, 07:42 PM   #2
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Solid gains for 91 oct??Is there a intercooler on it.WHich firmware is this??
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      11-23-2011, 07:55 PM   #3
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Great numbers and this looks to be an identical setup to Hotrod's... which is dead on what I would have expected (420 or so).
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      11-23-2011, 08:38 PM   #4
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Nice numbers and sweet power curve.. still drooling

Mike
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      11-23-2011, 08:40 PM   #5
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Just out of curiosity, what meth ratio are you running and what was your boost limit and meth additive set at?
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      11-23-2011, 09:29 PM   #6
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Quote:
Originally Posted by Questforpower View Post
Great numbers and this looks to be an identical setup to Hotrod's... which is dead on what I would have expected (420 or so).
Yup, exactly what I was figuring. 50whp less than the C63 I ran against.

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Originally Posted by san6279 View Post
Just out of curiosity, what meth ratio are you running and what was your boost limit and meth additive set at?
Good question. I'm curious too!
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      11-23-2011, 09:37 PM   #7
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^i second that...interested
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      11-23-2011, 11:13 PM   #8
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Nice numbers! That's the same shop I always use for my dynos. Very consistent dyno and Seb and Greg are a great couple of guys.

For the record, my best pull earlier this week at Specialty Z was 476whp/428wtq STD. So HotRod should pull similar numbers to you there given our latest roll-on results.
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      11-24-2011, 09:22 AM   #9
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Quote:
Originally Posted by Mike@N54Tuning.com View Post
Nice numbers and sweet power curve.. still drooling

Mike
Me too!.
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      11-24-2011, 11:42 AM   #10
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Is this whp or at the crank?
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      11-24-2011, 12:01 PM   #11
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      11-25-2011, 04:58 AM   #12
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What's the HP loss between crank & wheels generally?
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      11-25-2011, 05:06 AM   #13
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Quote:
Originally Posted by JamJay View Post
What's the HP loss between crank & wheels generally?
Around 15% for 6AT. So 420whp/(1-0,15) = 494 hp at the crank!
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      11-25-2011, 11:44 AM   #14
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Every dyno reads different so you can't compare this to hotrods. I know of a mustang dyno that reads redic high. I'd post it and everyone would think my car was a freak.

But normally dyno jets are fairly similar.

Op no pun on You though. Your car seems very strong. Just can't compare this to hotrods and say hot rod has same power.

I think he runs 100 oct as well so I'm sure his meth additive is higher
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      11-25-2011, 02:48 PM   #15
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Quote:
Originally Posted by ChuckD05 View Post
Every dyno reads different so you can't compare this to hotrods. I know of a mustang dyno that reads redic high. I'd post it and everyone would think my car was a freak.

But normally dyno jets are fairly similar.

Op no pun on You though. Your car seems very strong. Just can't compare this to hotrods and say hot rod has same power.

I think he runs 100 oct as well so I'm sure his meth additive is higher
I only run 100 octane on the nitrous runs. 100 octane doesn't seem to help at all when I am running meth. And my best trap speeds lately were all on 91 octane shell/meth. So do I dare say the car actually seems to run stronger on 91 octane than 100 octane? I asked this before, didn't someone say lower octane fuel actually has more energy content??
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      11-26-2011, 01:42 PM   #16
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Quote:
Originally Posted by thebigragu99 View Post
Solid gains for 91 oct??Is there a intercooler on it.WHich firmware is this??
Stock intercooler and its the newest firmware.

Quote:
Originally Posted by Questforpower View Post
Great numbers and this looks to be an identical setup to Hotrod's... which is dead on what I would have expected (420 or so).
Thanks. My car continues to surprise me. This is my second 335. I had an 07 for 3 years on a lease and it was fun with just a jb on it, but this one is a totally different animal. It is a lot of fun to drive.

Quote:
Originally Posted by Mike@N54Tuning.com View Post
Nice numbers and sweet power curve.. still drooling
Mike
Thanks! I get excited every time I drive her.

Quote:
Originally Posted by san6279 View Post
Just out of curiosity, what meth ratio are you running and what was your boost limit and meth additive set at?
about 75/25 but I just eyed volume to get that number,. Boost limit was 20 and meth additive for the 421 run i think was 55 or 60, ill have to ask terry. I did a log last night and it was on 50 but I think he said he put it back down a notch for daily driving, i.e. the 417whp run

Quote:
Originally Posted by hotrod182 View Post
Yup, exactly what I was figuring. 50whp less than the C63 I ran against.



Good question. I'm curious too!
Wow to just think I might have a chance to stay with a c63. Thats just crazy!!!BTW I did my mods after reading several of yours and others threads. Thank you for all of your advice

Quote:
Originally Posted by jetblack07 View Post
^i second that...interested


Quote:
Originally Posted by xtyper313 View Post
Nice numbers! That's the same shop I always use for my dynos. Very consistent dyno and Seb and Greg are a great couple of guys.

For the record, my best pull earlier this week at Specialty Z was 476whp/428wtq STD. So HotRod should pull similar numbers to you there given our latest roll-on results.
Thanks bro!
That shop is so close to me and Greg is an awesome guy. I will definitely recommend them.

Quote:
Originally Posted by thebigragu99 View Post
Me too!.

Quote:
Originally Posted by Werked M fizzle View Post
Is this whp or at the crank?
WHP
Quote:
Originally Posted by mithiral67 View Post
whp

Quote:
Originally Posted by Autobahn335i View Post
Around 15% for 6AT. So 420whp/(1-0,15) = 494 hp at the crank!

Quote:
Originally Posted by ChuckD05 View Post
Every dyno reads different so you can't compare this to hotrods. I know of a mustang dyno that reads redic high. I'd post it and everyone would think my car was a freak.

But normally dyno jets are fairly similar.

Op no pun on You though. Your car seems very strong. Just can't compare this to hotrods and say hot rod has same power.

I think he runs 100 oct as well so I'm sure his meth additive is higher


Quote:
Originally Posted by hotrod182 View Post
I only run 100 octane on the nitrous runs. 100 octane doesn't seem to help at all when I am running meth. And my best trap speeds lately were all on 91 octane shell/meth. So do I dare say the car actually seems to run stronger on 91 octane than 100 octane? I asked this before, didn't someone say lower octane fuel actually has more energy content??
Terry did say we could maybe pull some higher boost if I had race gas. He offered to do it again too. Terry is the shiznit
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      11-26-2011, 01:59 PM   #17
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some good numbers!!! stock exhaust and intercooler and on 91 oct. you can defiantly pull a stock c63, m3, rs5(s5 s4), is-f, etc etc. im sure you spent less then 2500 for everything?
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      11-26-2011, 02:02 PM   #18
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Quote:
Originally Posted by idrift4wd View Post
some good numbers!!! stock exhaust and intercooler and on 91 oct. you can defiantly pull a stock c63, m3, rs5(s5 s4), is-f, etc etc. im sure you spent less then 2500 for everything?
Thanks man!

I bought all of my mods used except for my downpipes and I picked those up for $500 no tax. So yes I did spend less then $2500

Its a great feeling to get this kind of power with the amount of money i put in to it.
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      11-26-2011, 02:23 PM   #19
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NICE I was looking for 390 when I add DP's on 93 octane with some 100 splashed in....looks very doable based on your results & my current 365whp.
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      11-26-2011, 08:35 PM   #20
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Here is the log from the 421whp run.
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      11-27-2011, 01:54 PM   #21
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Quote:
Originally Posted by nerfy135 View Post
Very smooth and powerful curve you have there. With the factory exhaust system it must be a super sleeper. It's amazing how well the jb4 pwm meth kit is working.
Thanks. She is def a sleeper.
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      11-27-2011, 02:03 PM   #22
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Quote:
Originally Posted by nerfy135 View Post
Very smooth and powerful curve you have there. With the factory exhaust system it must be a super sleeper. It's amazing how well the jb4 pwm meth kit is working.
PWM? That's a bit misleading, isn't it?
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