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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 > JBX Review

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      04-11-2008, 03:28 PM   #23

Drives: E92 335i
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Originally Posted by e.n335 View Post
You can read everything about the JBX on n54tech.com. Basicly it's an adjustable add-on to the JB2 which allows you to configure the power output of the tune. I personally think it's a good option. Terry is very serious with his products.
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      04-14-2008, 11:45 PM   #24
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Drives: F30 335i Sedan
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Originally Posted by NRG View Post
That'll be quite a change. Prepare for a different feeling though.
Understatement of the decade. I went from the SSTT (nice low down torque), to the jB2 (power everywhere), to the JBX (+ BMS Filter + Terry's new modified bypass setup).

Terry has found the sweet spot with this set up. Acceleration is now violent. And the intake helps a lot (and sounds sick). And no codes.

For kicks, I put in half a tank of 100 octane, and dialed the JBX up to 100% (JB2HH)...

...um, I will be banned if I even attempt to describe it

I ran out of 100, and now I'm running JBX @ 50% (JB2H) on 91 and its still stupid fast (in gear times are insane). I haven't even flipped the R switch yet!!! I'm a set of down pipes away from glory, but I think I'll stop here
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