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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 > New BMS 3.5" Catless Downpipes!!



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      11-09-2011, 12:35 AM   #67
aztecbimmer
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I wonder how loud it would be with my muffler delete?? lmao
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      11-09-2011, 10:03 AM   #68
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      11-09-2011, 12:37 PM   #69
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Thanks Mike

For the Downpipe and embedding the video.

Hope it is helpful to you.
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      11-09-2011, 03:07 PM   #70
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Any ETA on catted version?
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      11-09-2011, 03:19 PM   #71
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Any ETA on catted version?
No, there is no catted version planned. What you see is what you get.

Mike
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      11-09-2011, 03:42 PM   #72
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No, there is no catted version planned. What you see is what you get.

Mike
yes please dont waste the time and money lol.
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      11-11-2011, 11:20 PM   #73
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Somebody PM me how to upload a video.. I got a video with JB Stage 2, Injen Intake, and this downpipe, just need to know how to upload vid here!
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      11-12-2011, 08:25 AM   #74
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Somebody PM me how to upload a video.. I got a video with JB Stage 2, Injen Intake, and this downpipe, just need to know how to upload vid here!
PM me the youtube link or email me the video and I will attach it for you

Mike
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      11-12-2011, 08:58 PM   #75
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ill be doing this soon
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      11-13-2011, 05:40 PM   #76
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heres another vid of getting onto the freeway , drivers side window down... not a speed test just for audio of the BMS 3.5" downpipe and Injen Intake system



Last edited by 335 oClock; 11-13-2011 at 06:08 PM.
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      11-13-2011, 06:30 PM   #77
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Nice!!! 335 oClock what do you think of the power gains??
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      11-13-2011, 07:41 PM   #78
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incredible pull with the jb4 stage 2, too fun.

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Nice!!! 335 oClock what do you think of the power gains??
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      12-29-2011, 08:15 AM   #79
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Just a little bump for those who haven't seen the quality welds on the BMS N55 DP.





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      12-29-2011, 12:33 PM   #80
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Few questions.

1. How would you characterize the sound difference from stock DP to this one? How much louder?
2. How difficult is the install? Is there a DIY guide anywhere?

Thanks
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      12-29-2011, 06:22 PM   #81
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Few questions.

1. How would you characterize the sound difference from stock DP to this one? How much louder?
2. How difficult is the install? Is there a DIY guide anywhere?

Thanks
I'm in NYC thursday and Friday next week if you want to hear it in person.
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      12-29-2011, 11:19 PM   #82
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would i be crazy to put dp's with muffler delete?? lmao
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      07-15-2012, 10:08 AM   #83
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Hi,

I'm planning this mod for my N55 335i but I'm concerned about the check engine light and also some complains on how it causes the car to stall....anyone can advise me on these concerns please? Will it definitely throw a check light and causes car to stall?
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      07-15-2012, 11:31 AM   #84
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Hi,

I'm planning this mod for my N55 335i but I'm concerned about the check engine light and also some complains on how it causes the car to stall....anyone can advise me on these concerns please? Will it definitely throw a check light and causes car to stall?
The N55 JB4 takes care of the light for you. There is also an idle adjustment for those cars that need it.

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      07-15-2012, 06:12 PM   #85
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Hi,

Thanks but is there another option then a JB4? I'm already on another tuning box from Germany.

Thanks.
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      07-15-2012, 09:54 PM   #86
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Quote:
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The N55 JB4 takes care of the light for you. There is also an idle adjustment for those cars that need it.

Mike
Details on the idle adjustment? Can the end user change the set idle speed with the JB4? That would be very useful for LTFW users... could bump idle up to get rid of gear rattle...
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      07-16-2012, 06:17 AM   #87
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Is there no easy DP fix without using JB4? Any aftermarket O2 Spacers?
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      07-16-2012, 11:59 AM   #88
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Details on the idle adjustment? Can the end user change the set idle speed with the JB4? That would be very useful for LTFW users... could bump idle up to get rid of gear rattle...
You are not able to set idle speed. Only change the air/fuel ratio slightly at idle, which is often needed with N55 downpipes.

OP, the only other option is the BMS CAN Tool.

Mike
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