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      03-31-2013, 03:43 PM   #89
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I'm sure In time since were limited to MODS as of now for the F30, well be able to beat an e92 M3. My e92 335i would beat an M3 pretty damn bad.
No, N55s are not limited because of mods as similar FBO mods ala the N54 are all available (stg 2 tune; E85/race gas, DP, IC, Meth, etc.), and for all its tech (valvetronic, etc.) the N55 turbo is still supremely flow limited, as proven by tuners, and full FBO N55s are still struggling to make close to 400whp while comparably tuned N54s are miles ahead (obviously with more tuning R&D time) nearing or crossing the 500whp mark...for those looking to get that extreme. Don't even talk about comparing the top end of the N54 as it easily crushes the N55 in that respect.

I'm thinking it will take a next gen N55 or new powerplant to really up the ante for BMW and tuners. In the meantime, you can probably outrun an M3 in a straight line with an N55 with FBOs but I'd rather tune for balance and beat one on a road course. After all, if I wanted an outright drag monster I'd go american or AMG? otherwise, the car is still fun, fast, and the mileage puts a smile on my face
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      03-31-2013, 09:07 PM   #90
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Originally Posted by TreDirtyFive View Post
No, N55s are not limited because of mods as similar FBO mods ala the N54 are all available (stg 2 tune; E85/race gas, DP, IC, Meth, etc.), and for all its tech (valvetronic, etc.) the N55 turbo is still supremely flow limited, as proven by tuners, and full FBO N55s are still struggling to make close to 400whp while comparably tuned N54s are miles ahead (obviously with more tuning R&D time) nearing or crossing the 500whp mark...for those looking to get that extreme. Don't even talk about comparing the top end of the N54 as it easily crushes the N55 in that respect.

I'm thinking it will take a next gen N55 or new powerplant to really up the ante for BMW and tuners. In the meantime, you can probably outrun an M3 in a straight line with an N55 with FBOs but I'd rather tune for balance and beat one on a road course. After all, if I wanted an outright drag monster I'd go american or AMG? otherwise, the car is still fun, fast, and the mileage puts a smile on my face
N54 has about a 60 to 70 rwhp advantage over a N55. Now with RB turbos all bets are off but with an N55 turbo upgrade around the corner things will change.
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      04-16-2013, 04:39 PM   #91
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Just intalled the ER downpipe, i'm loving it and it was worth every penny
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      04-16-2013, 06:07 PM   #92
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Quote:
Originally Posted by J-boogey
Just intalled the ER downpipe, i'm loving it and it was worth every penny
+1
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      04-16-2013, 11:01 PM   #93
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Just intalled the ER downpipe, i'm loving it and it was worth every penny
Eventually, I'd like to pick one up myself. My only concern is emissions/codes/CEL and BMW being annoying with warranty because of it.
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      04-16-2013, 11:22 PM   #94
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Eventually, I'd like to pick one up myself. My only concern is emissions/codes/CEL and BMW being annoying with warranty because of it.
no cell or codes with the stage 2 JB tune thus far only day 1
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      04-17-2013, 09:19 AM   #95
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no cell or codes with the stage 2 JB tune thus far only day 1
Cool. I think Stage 2 has auto code delete for the DP related CEL. One will probably pop up if you take it in for service and remove the JB4 (I'm assuming).

Glad to hear you like it. Word on the street is the car is night and day with map 2 and a DP.
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      04-17-2013, 04:53 PM   #96
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Cool. I think Stage 2 has auto code delete for the DP related CEL. One will probably pop up if you take it in for service and remove the JB4 (I'm assuming).

Glad to hear you like it. Word on the street is the car is night and day with map 2 and a DP.
still in map 1, only way tune will go into map 2 is with a pc laptop and the JB program which i have neither.. I have a macbook
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      04-17-2013, 05:55 PM   #97
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still in map 1, only way tune will go into map 2 is with a pc laptop and the JB program which i have neither.. I have a macbook
Oh man, you gotta borrow a laptop or something to get it into map 2 so you can feel the full benefit of stage 2 and the DPs. I forget the numbers but it's quite a bump (over 400 wtq)

You could download windows on your macbook (if you know or care to do such things) and the software is free and on the other site.
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      04-17-2013, 07:27 PM   #98
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I use Parallels 8 running Windows 8 on my MacBook Air, and everything works perfect!
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      04-24-2013, 06:12 PM   #99
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Just ordered AN ER downpipe today from **********s.. was gonna go with challenge but they keep telling me every week that they dont have any.. couldn't wait any longer.
Sorry about that. We would get some done and would sell about as fast as we can make them. If we had an order in line from you we could have filled it sooner for you. Glad to hear you got something on your car though.

Catless pipes are now on the shelf, and HFC ones will be on hand again end of this week.
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      02-18-2014, 11:52 AM   #100
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still looking for HFC dp, which is no CEL light, no emission issue.

Any suggestion?
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      02-18-2014, 01:47 PM   #101
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I live in ny... Will I be able to pass emissions with a cat less downpipe?
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      02-18-2014, 02:30 PM   #102
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Anybody running an aftermarket downpipe on a 2014? I heard the 2014s are slightly different.
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      02-18-2014, 02:37 PM   #103
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I live in ny... Will I be able to pass emissions with a cat less downpipe?
nope.
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      02-18-2014, 02:56 PM   #104
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I live in ny... Will I be able to pass emissions with a cat less downpipe?
nope.
Will the hfc dp pass??
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      02-18-2014, 06:22 PM   #105
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Will the hfc dp pass??
Yes it will pass.
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      02-20-2014, 06:29 AM   #106
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Has anyone with a '14 435xi inquired about a catless dp that fits?
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      02-21-2014, 03:24 PM   #107
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We are working with a local customer on the 2014 downpipe development. We should have test parts done about mid March and pending results, should have something out end of March or into April.
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      02-22-2014, 09:15 AM   #108
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We are working with a local customer on the 2014 downpipe development. We should have test parts done about mid March and pending results, should have something out end of March or into April.
Sign me up for one once everything is sorted!
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