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  #1  
Old 01-12-2014, 02:14 AM
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Cobb stage 2 35xdrive build thread.

I'm running a Cobb on my n55 x5
Just out an ER downpipe on, and I. Stage 2 I'm getting the same boost as stage 1 which is about 9.5.
Cobb said both the maps are the same just stage 2 has DTCs off so no CEL comes on for the downpipe.
Since these off the shelf maps are really for the e9x/e8x platforms, and the e7x has a considerably larger intercooler, I decided today to load up the stag 2+FMIC map.

Guys, holy
17 PSI and loving it.
With my bms intake this thing is howling and the downpipe sounds awesome.
I came from a 335 with jb4 (but I did switch to Cobb for a short while) and I had an FMIC and Downpipes so on Cobb I never tried the non +FMIC maps.
On the n54 with jb4, you got more boost with map 2 which is for downpipes then map 1.......but on Cobb on the x5 n55 it seems to not be the case.
I never tried anything but map 2 aggressive +FMIC on Cobb on my 335 so I do not know the behavior.
I'm just puzzled as why anyone would install a downpipe for stage 2 if the Cobb tune isn't going to give anymore boost.

Yes I know.
I'm prob the only x5 35xdrive owner with a downpipe


I beat a e90 jb4 335 map1 and a f30 328 jb4 map 1 in a pull tonight.

Last edited by Jyohay; 03-31-2014 at 12:07 PM.
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  #2  
Old 01-18-2014, 08:22 PM
ard ard is offline
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any EGTs?
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Old 03-14-2014, 11:39 AM
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I was considering flashing my ECU with the Cobb but when I emailed Cobb, they said that they were no longer supporting the x70 N55 platform. Were you able to arrange for them to make a special map for you, or are you using 335 n55 maps?
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Old 03-14-2014, 11:43 AM
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Quote:
Originally Posted by stltri View Post
I was considering flashing my ECU with the Cobb but when I emailed Cobb, they said that they were no longer supporting the x70 N55 platform. Were you able to arrange for them to make a special map for you, or are you using 335 n55 maps?
its a 335 N55 map, but they have done some tweaks for me since the OEM intercooler is a different size and different loads.
they basically made sure i wasnt getting any throttle closure as i was with the normal map.
they only support N55 till some 2011s i believe
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Old 03-15-2014, 10:08 AM
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Thanks!

Anybody else using Cobb?
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  #6  
Old 03-31-2014, 11:47 AM
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BMS F10 N55 intake
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Old 03-31-2014, 11:51 AM
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custom quad tips


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Old 03-31-2014, 11:52 AM
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this was just for fun

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  #9  
Old 03-31-2014, 11:53 AM
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CObb AP V2
15mm front 25m rear spacers
ER F10 N55 Downpipe and intake
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Old 03-31-2014, 11:54 AM
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