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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 > Cobb 4.0 vs 4.1 stg1 st throttle



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      10-29-2012, 09:42 AM   #1
gmazzu
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Cobb 4.0 vs 4.1 stg1 st throttle

Does anyone know the difference between the 4.0 an 4.1 code for stg1 stock throttle? I have been running the 4.1 code and recently flipped back to 4.0 and the 4.0 is simply smoother. The dip in on the throttle is just smoother, part throttle and initial acceleration. Anyone have any ideas?
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      10-29-2012, 10:05 AM   #2
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What are your mods and what map are you running? Go to the following link and click on the Map Notes link next to your supporting mods.

http://www.cobbtuning.com/AccessPORT...maps/bmw/I8A0S
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Last edited by JStang; 10-29-2012 at 10:13 AM.
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      10-29-2012, 10:15 AM   #3
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100% stock, stage 1 agressive
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      10-29-2012, 10:20 AM   #4
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Quote:
Originally Posted by gmazzu View Post
100% stock, stage 1 agressive
Map notes

https://static.cobbtuning.com/cobbtu...sPORT_v402.pdf
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      10-29-2012, 10:26 AM   #5
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Well the notes say very little, there is a dead spot in the pedal on initial tip in on the 4.01 where the on the 4.0 is just simply is smoother when applying the gas.
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      10-29-2012, 10:34 AM   #6
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Quote:
Originally Posted by gmazzu View Post
Well the notes say very little, there is a dead spot in the pedal on initial tip in on the 4.01 where the on the 4.0 is just simply is smoother when applying the gas.
open both in ATR and check the Throttle table.
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      10-29-2012, 10:36 AM   #7
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ya thats a good idea. I just filled out the request for the race tuner
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      10-29-2012, 11:59 AM   #8
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just looked at it, i dont see much difference
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      10-29-2012, 12:06 PM   #9
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you could try to copy it over to the 401 and see if it changes anything.
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