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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 > Difference between jb and map1?



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      05-11-2011, 01:55 PM   #1
335wanted
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Difference between jb and map1?

With no bolt ons will I make more power with JB4 on map1 or with the jb ? will never get dp's or fmic so what would the better choice be?
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      05-11-2011, 01:56 PM   #2
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It was supposed to say jb plus. So between the map1 one jb4 and the jb plus.
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      05-11-2011, 01:59 PM   #3
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Quote:
Originally Posted by 335wanted View Post
It was supposed to say jb plus. So between the map1 one jb4 and the jb plus.
I would go with the JB4, it has control over more parameters than the simple TMAP tune. Plus you can add race gas and let use autotune to get more power.
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      05-11-2011, 02:12 PM   #4
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Quote:
Originally Posted by 335wanted View Post
will never get dp's or fmic so what would the better choice be?
LOL....you say that now. I originally bought a JB+ and within 5 days I upgraded to a JB3 at the time. I craved more power.
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      05-11-2011, 02:23 PM   #5
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So the jb4 In map 1 has more power than the jb plus in 100% mode?
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      05-11-2011, 02:26 PM   #6
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Quote:
Originally Posted by 335wanted View Post
So the jb4 In map 1 has more power than the jb plus in 100% mode?
If you are wanting to crank the JB+ up to 100% do yourself and your engine a favor and get a JB4
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      05-11-2011, 02:31 PM   #7
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Thanks that was the answer I was looking for
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      05-11-2011, 02:39 PM   #8
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I've been running 100% with solenoid bypass with JB+ for a year and its been running strong. Ran 8.3 in 1/8 which is like high 12s in 1/4 in pretty warm weather 2 weeks ago. What are JB4 map 1 only users running in 1/4? I haven't been able to search.
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