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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 > JB4 installed



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      11-30-2012, 03:45 PM   #1
09BMW335i
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JB4 installed

Just got my JB4/DCI installed and running Map5 i have s smile ear to ear so much fun. cant wait till December 30th i get my new down pipe and the fun will really begin

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      11-30-2012, 04:01 PM   #2
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It's addicting, be careful
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      11-30-2012, 04:03 PM   #3
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      11-30-2012, 04:09 PM   #4
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the powerband from 2500-5000 is night and day a whole different car. I am stopping by a place to drop some e85 in after work and do a few runs. Thinking only 20-30%
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      11-30-2012, 04:20 PM   #5
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good game!

just throw 3-4 gal worth of a fuel tank and do 3-4 pulls in 3rd gr map 5 and be ready
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      11-30-2012, 04:34 PM   #6
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Quote:
Originally Posted by smi1gj View Post
good game!

just throw 3-4 gal worth of a fuel tank and do 3-4 pulls in 3rd gr map 5 and be ready
when you do the pulls at what point should i stop and let the revs get to, and or what speed
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      11-30-2012, 04:41 PM   #7
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Rev it up to your shift point 6800 rpms, u will feel the boost increase each time as it learns
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      11-30-2012, 04:44 PM   #8
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Quote:
Originally Posted by zanelefko View Post
Rev it up to your shift point 6800 rpms, u will feel the boost increase each time as it learns
basically that ^

I shift early ~6200

so I do 3 pulls in 3rd 3k to 62/6500. you'll know
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      11-30-2012, 06:20 PM   #9
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The only problem is that when you hit 6K+ you'll be doing at least 120mph... Watch out for the fuzz!
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