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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 > Ways to make sure install of exhaust, downpipes and intercooler was done corrtectly?



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      10-17-2009, 09:43 AM   #1
Dynomyte
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Ways to make sure install of exhaust, downpipes and intercooler was done corrtectly?

Hey guys, Last night I installed AR catless DP, AE catless exhaust and helix intercooler.

After the downpipes and exhaust were installed when i would rev the car i would here the turbos spool, and the tone was more aggressive. Then the intercooler was installed and I now I cant hear the turbo spool anymore and the tone of the exhaust is louder and resinates more inside the cabin. Also when i took it out for a spin i did not feel an increase in power...

THese are the only mods i installed last night, i will be installing the rest today but i would like to make sure the previous install was done correctly. HELP
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      10-17-2009, 09:49 AM   #2
ianthegreat
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An intercooler isn't going to give you noticable increase in power down low. Where you will notice it is up top. An intercooler really needs to be combined with a tune.
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      10-17-2009, 09:58 AM   #3
Dynomyte
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I only drove the car after all was installed and didnt notice an increase in power. But I can't hear the turbos spool anymore. Did anyone else experience this? Im thinking maybe the piping of the intercooler is leaking...
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      10-17-2009, 10:44 AM   #4
Dynomyte
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My concern here isint the increase in performance. I want to know if there is a way to verify if the install of the mods was done correctly. I have Rev 2, is it possible to use in order to figure out if all is good?
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      10-17-2009, 11:15 AM   #5
cn555ic
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Quote:
Originally Posted by Dynomyte View Post
My concern here isint the increase in performance. I want to know if there is a way to verify if the install of the mods was done correctly. I have Rev 2, is it possible to use in order to figure out if all is good?
If your not throwing any codes then it should be okay..
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      10-17-2009, 10:42 PM   #6
Alex@AKMotorwerk
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Quote:
Originally Posted by Dynomyte View Post
Hey guys, Last night I installed AR catless DP, AE catless exhaust and helix intercooler.

After the downpipes and exhaust were installed when i would rev the car i would here the turbos spool, and the tone was more aggressive. Then the intercooler was installed and I now I cant hear the turbo spool anymore and the tone of the exhaust is louder and resinates more inside the cabin. Also when i took it out for a spin i did not feel an increase in power...

THese are the only mods i installed last night, i will be installing the rest today but i would like to make sure the previous install was done correctly. HELP
u need to trust your installer and make sure they know how to work on these cars... or if you did the installs yourself, u need to trust ur abilities or pay for a professional install
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      10-17-2009, 10:53 PM   #7
Terrance28
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Go get it smoke tested.
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Mods list got too long, lets just say more than enough.
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      10-17-2009, 10:59 PM   #8
Donald-335i
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maybe ur ecu is pulling timing beacause u said it *Feels* slower...


U NEED A TUNE!
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      10-18-2009, 03:18 AM   #9
persian54
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he has a tune, a rev 2

dyno your car

then you'll know if you have a power increase

drive a stock car and than drive your car again.
should help with the power noticing part...

get a tech to check the installation.
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      10-18-2009, 05:32 AM   #10
Sparky66
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What stage map are you running?
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