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BMW 3-Series (E90 E92) Forum
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Jb3 ecu upgrade???
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| 10-16-2011, 02:20 AM | #3 | |
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you'll need a BMS PBX JB3/Jb4 are only for the 335i
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| 10-16-2011, 10:04 AM | #4 | ||
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jnasssstybooking@gmail
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Does it do the same thing? |
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| 10-16-2011, 10:07 AM | #5 |
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Major
 
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| 10-17-2011, 11:19 AM | #6 | |
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They both make the cars faster, to put it simply
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| 10-17-2011, 01:15 PM | #7 |
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el capitan
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i have the powerbox installed in my 325i and you feel a difference in the trottle response mainly, you know how you have to push the throttle past like 3/4th the way to the floor for the car to really kick, the power box makes it more responsive, and it kicks in before halfway on the pedal. i really recommend it for your 325i, lets be honest our cars are the slowest of all the e90s but this makes a little less slow haha
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| 10-17-2011, 04:16 PM | #8 | |
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PBX - 8 hp Not quite the same thing  It's easier to tune and get more power out of a FI engine vs. NA (less settings to explore)
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2008 BMW 335i e90 - Sold - Rob Beck Turbos / PROcede V5 / Aquamist HFS-4 / AR Downpipes / AE Exhaust / ER Comp FMIC / ER CP / TiAL BOV / Custom Intake / RPI Scoops / Quaife LSD / Swift-Koni Coilovers / DSS HS / Morr VS8.2 Sig Black / Michelin PSS / P3 Boost Guage / M3 body / M3 steering wheel / Adam's Rotors / Hawk HPS / SS lines /
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