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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 > procede dic 3-30 dyno fbo plus meth



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      04-13-2011, 10:24 PM   #1
litz4244
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procede dic 3-30 dyno fbo plus meth

vehicle is a 2007 335 automatic
Mods are
Ets fmic 5inch
plm downpipes
stock catback
procede v5 with dic 3-30 maps
procede meth kit mixed 75/25 meth water with cm10 nozzle
Hardpipe with tial bov
Boost settings start boost 17psi max 18.5 with 10 percent ic

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      04-13-2011, 10:35 PM   #2
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afr's look good and safe. Most will expect more HP on a dynojet but who knows without a baseline.
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      04-13-2011, 10:40 PM   #3
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Yeah i was honeslty expecting a little bit more too but i was told the stock catback is restrictive.
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      04-13-2011, 10:41 PM   #4
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Did you log the run with the Procede Reader?
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      04-13-2011, 10:49 PM   #5
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no i wasnt there my buddy took the car for me today. i kinda wish i did log it to see what was going on.
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      04-13-2011, 11:08 PM   #6
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I was expecting closer to 420 whp... too bad you don't have a baseline
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      04-13-2011, 11:25 PM   #7
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Yeah I was expecting that too. Yeah I have no baseline unfortantly. The only thing I cansay is the car went 13.5 at 103 stock. I want to put a cat back on and do some logs and go back and try again.
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      04-14-2011, 12:01 AM   #8
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Without baseline it's hard to give any meaningful comments. Just an FYI, I did 413whp with 295 baseline on the old v4 maps on a 135i with same mods at 17.5 psi. I believe the stock exhaust is even more restrictive than the 335i. I did 424whp at 18.5psi. 93 octane + meth.
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      04-14-2011, 12:14 AM   #9
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Ya, I'd say that the trend has been ~420/420 on average. But like others have said, without a baseline, it's just another dyno run......
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      04-14-2011, 12:24 AM   #10
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Just wondering since I havent really seen too many dynos of FBO without meth, what HP/TQ delta would the same mods provided if he didnt have meth?
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      04-14-2011, 12:36 AM   #11
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I'd say anywhere from 95 to 105?

Quote:
Originally Posted by dadgar View Post
Just wondering since I havent really seen too many dynos of FBO without meth, what HP/TQ delta would the same mods provided if he didnt have meth?
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      04-14-2011, 12:48 AM   #12
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Get rid of the stock catback and get another 15-20hp with no other changes
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      04-14-2011, 12:50 AM   #13
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Great Results. Shiv speaks the truth Still have secondary cats?
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      04-14-2011, 01:50 AM   #14
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Wow, I thought the stock catback was pretty good. Its all I ever used. I figure if it can handle over 133mph trap speeds, it must flow decently. I was testing the other night on the stock rear exhaust. Got a 11.7 at 123 mph with mediocre 2.0 sec 60' time! And a 60-130 time of 9.22 seconds.

To gain 20hp AND lose weight, this car would be ridiculously fast! I don't know about being fully catless with all the noise and odors, etc....but so damn tempting!
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      04-14-2011, 07:14 AM   #15
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Quote:
Originally Posted by shiv@vishnu View Post
Get rid of the stock catback and get another 15-20hp with no other changes
I think that's pretty optimistic. BMS made 445rw stock turbo through the factory single 2.75" catback with secondary cats. Then 540rw with the same exhaust setup with nitrous. On their 335i they also made 440rw through the stock catback and secondary cats. Those factory catbacks flow very well!

Mike
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      04-14-2011, 07:28 AM   #16
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Quote:
Originally Posted by ETS Michael View Post
Great Results. Shiv speaks the truth Still have secondary cats?
Yes Michael it still has secondary cats on it. Can u please pm a price of a cat back shipped to 19711 thanks.



I know they were having trouble keeping it full throttle without it kicking down to 3rd gear so I don't know if that has anything to do with it. Also does my boost look kinda low on the graph or is that normal?
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      04-14-2011, 09:18 AM   #17
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Quote:
Originally Posted by Mike@N54Tuning.com View Post
I think that's pretty optimistic. BMS made 445rw stock turbo through the factory single 2.75" catback with secondary cats. Then 540rw with the same exhaust setup with nitrous. On their 335i they also made 440rw through the stock catback and secondary cats. Those factory catbacks flow very well!

Mike
Again, the baseline makes the difference. 380 whp with a 240 whp baseline is as impressive as 440 whp with a 300 whp baseline.

The OPs numbers could be par for the course if he would dyno in the 280 whp range on stock boost. Now, if he dynos 300+ whp on stock boost, well then its not so impressive.
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      04-14-2011, 10:19 AM   #18
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Quote:
Originally Posted by hotrod182 View Post
Wow, I thought the stock catback was pretty good. Its all I ever used. I figure if it can handle over 133mph trap speeds, it must flow decently. I was testing the other night on the stock rear exhaust. Got a 11.7 at 123 mph with mediocre 2.0 sec 60' time! And a 60-130 time of 9.22 seconds.

To gain 20hp AND lose weight, this car would be ridiculously fast! I don't know about being fully catless with all the noise and odors, etc....but so damn tempting!
You and your car is incredible.... "this car would be ridiculously fast! " it already is !!! I would agree with you, don't go for the smell and mess up your DD.

Now, the catless DPs and stock exhaust don't add smell - Do you have those?
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      04-14-2011, 10:23 AM   #19
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Quote:
Originally Posted by DaFish View Post
You and your car is incredible.... "this car would be ridiculously fast! " it already is !!! I would agree with you, don't go for the smell and mess up your DD.

Now, the catless DPs and stock exhaust don't add smell - Do you have those?
Yeah i have the catless downpipes. The car isnt my daily but i agree i dont want the noise from a catback.
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      04-14-2011, 10:26 AM   #20
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Quote:
Originally Posted by shiv@vishnu View Post
Get rid of the stock catback and get another 15-20hp with no other changes
Really? What if I had the cattless downpipes and secondary cats removed, would the rest of the stock exhaust still be a bottleneck or is it just the cats causing it?
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