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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 > GIAC Stage 2 Race vs JB4 map 7 videos



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      05-04-2011, 05:47 PM   #1
tscdennab
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GIAC Stage 2 Race vs JB4 map 7 videos

Camera car: GIAC Stage 2 Race, Wagner Intercooler, Macht Schnell 3" downpipes, no secondary kitties, K&N Apollo intake supplementing stock intake, BMW Performance Exhaust, Aquamist HFS-3 methanol injection (60/40 meth/water). Manual gearbox. Sedan.

Opponent: JB4 map 7 with 15 ohm resisor, Helix Intercooler, AR Design downpipes, no secondary kitties, stock exhaust, stock intake with no filter, Cooling Mist Basic meth injection. Manual gearbox. Sedan.






Last edited by tscdennab; 05-05-2011 at 07:23 AM..
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      05-04-2011, 05:53 PM   #2
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typical juicebox bog it seems like lol.
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      05-04-2011, 06:02 PM   #3
Mike@N54Tuning.com
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Nice pretty even runs! Tell the JB4 owner to get an intake installed, add a meth flow sensor, and crank his boost up from 16.5psi to 17.5psi for the rematch!

Mike
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      05-04-2011, 06:16 PM   #4
tscdennab
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Quote:
Originally Posted by Mike@N54Tuning.com View Post
Nice pretty even runs! Tell the JB4 owner to get an intake installed, add a meth flow sensor, and crank his boost up from 16.5psi to 17.5psi for the rematch!

Mike
EDIT: The opponent had no air filter, so the restrictive intake is out of the question.

However, he complains that the JB4 does not reach it's supposed boost target of 16psi after 5000RPM, even if he has a 15 ohm resistor. After 5000-5500RPM the car only makes 14.5-15psi even if it is on map 7. He is certain that he has no boost leaks. Any advice ?
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      05-04-2011, 06:20 PM   #5
Mike@N54Tuning.com
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Quote:
Originally Posted by tscdennab View Post
EDIT: The opponent had no air filter, so the restrictive intake is out of the question.

However, he complains that the JB4 does not reach it's supposed boost target of 16psi after 5000RPM, even if he has a 15 ohm resistor. After 5000-5500RPM the car only makes 14.5-15psi even if it is on map 7. He is certain that he has no boost leaks. Any advice ?
On the air intake, you mean he took his filter out of the factory airbox? That does not eliminate the restriction which is the airbox itself. Have him install a DCI and remeasure boost. If its still too low he can contact BMS for technical support.

Mike
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      05-04-2011, 06:27 PM   #6
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and 3...2...1....these videos will be deleted for street racing.

In before delete, great comparison videos.
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      05-04-2011, 06:32 PM   #7
tscdennab
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Originally Posted by M3_WC View Post
and 3...2...1....these videos will be deleted for street racing.

In before delete, great comparison videos.
It's a closed road. As you can see, there are no other cars on the road.
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      05-04-2011, 06:46 PM   #8
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And it was in Mexico. What you didn't see that donkey in the second video at 8 seconds? Dead giveaway
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      05-04-2011, 06:46 PM   #9
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Quote:
Originally Posted by tscdennab View Post
It's a closed road. As you can see, there are no other cars on the road.
That has been said before.

Hey, not saying they should delete them. They are just really strict around here about street racing videos.
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      05-04-2011, 07:32 PM   #10
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Quote:
Originally Posted by tscdennab View Post
EDIT: The opponent had no air filter, so the restrictive intake is out of the question.

However, he complains that the JB4 does not reach it's supposed boost target of 16psi after 5000RPM, even if he has a 15 ohm resistor. After 5000-5500RPM the car only makes 14.5-15psi even if it is on map 7. He is certain that he has no boost leaks. Any advice ?
Mike can you explain the fact that he doesnt reach his boost target ? Just very curious, Thanks !
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      05-04-2011, 07:57 PM   #11
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Quote:
Originally Posted by Mikey_Bo0sts View Post
Mike can you explain the fact that he doesnt reach his boost target ? Just very curious, Thanks !
I know nothing about the car, owner, or anything else related aside from the video above. So I won't be able to offer much insight in to whether his boost is too low or why. tscdennab says its lower than it should be. If so something probably needs adjustment. An intake is a good starting point.

Mike
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      05-05-2011, 07:16 AM   #12
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And it was in Mexico. What you didn't see that donkey in the second video at 8 seconds? Dead giveaway
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      05-05-2011, 07:30 AM   #13
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nice video closed road 4sure
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      05-05-2011, 07:48 AM   #14
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Yup, I also clearly saw the donkey @ 0:08

Nice to see how even the performance is IRL.
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      05-12-2011, 05:43 PM   #15
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and you're running like 15 psi ? lol FLASH IS SO GOOD ! lol I wish they had a little more boost
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      05-12-2011, 05:47 PM   #16
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what meth mixture is jb4 car running with ?
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