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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > N55 Downpipe ?'s



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      12-18-2010, 09:36 AM   #1
e92sport
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N55 Downpipe ?'s

I was looking to purchase a downpipe for my N55 335i. I wanted to know if it possible to run the downpipe without any tuning software? I know n54 run them with no problem using the downpipe fix. But would the N55 throw any codes without using a downpipe fix or tuning software?
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      12-23-2010, 10:47 AM   #2
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You can but its not worth it... don't cheap out on not getting the procede for the DP... I believe the N55 does have the O2 problem when installing a dp without the procede.
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      12-23-2010, 11:10 AM   #3
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Yes, It will throw codes 100%
There are a few threads on this already.
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      12-23-2010, 12:09 PM   #4
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Quote:
Originally Posted by e92sport View Post
I was looking to purchase a downpipe for my N55 335i. I wanted to know if it possible to run the downpipe without any tuning software? I know n54 run them with no problem using the downpipe fix. But would the N55 throw any codes without using a downpipe fix or tuning software?
I would recommend that you check out the AR Design N55 4" Catless Downpipes for your car. You will need to purchase a downpipe fix in order to eliminate the check engine light. I would recommend that you pair the new downpipes with the BMS Can tool which will do the job for you. I'll go ahead and shoot you over a PM with more details!

- Alan
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      12-23-2010, 12:43 PM   #5
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Quote:
Originally Posted by **********s.com View Post
I would recommend that you check out the AR Design N55 4" Catless Downpipes for your car. You will need to purchase a downpipe fix in order to eliminate the check engine light. I would recommend that you pair the new downpipes with the BMS Can tool which will do the job for you. I'll go ahead and shoot you over a PM with more details!

- Alan
Good call!
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      12-23-2010, 12:51 PM   #6
htt760
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Quote:
Originally Posted by **********s.com View Post
I would recommend that you check out the AR Design N55 4" Catless Downpipes for your car. You will need to purchase a downpipe fix in order to eliminate the check engine light. I would recommend that you pair the new downpipes with the BMS Can tool which will do the job for you. I'll go ahead and shoot you over a PM with more details!

- Alan
sounds like alot of work, the procede will take of everything...
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      12-23-2010, 01:03 PM   #7
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Too much work to install an extra couple wires??? Really? What that difference between installing a PROcede and O2 sim?
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      12-23-2010, 01:16 PM   #8
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Actaully, the BMS CAN tool is plug and play, no wiring. Takes 2 minutes. The PROcede is a great option as well with CANClear
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      12-23-2010, 01:54 PM   #9
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Actaully, the BMS CAN tool is plug and play, no wiring. Takes 2 minutes. The PROcede is a great option as well with CANClear
oh thanks for the clarification... didn't know that...
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