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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > 328i with jb3 vs 335i stock?



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      03-31-2012, 01:36 PM   #1
vitalkk
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328i with jb3 vs 335i stock?

If I bought a 328i and put the jb3 on it, would it be the same as a 335i? meaning would that save me a lot of money and still give me the same performance? or am I better off with a 335i either way. feedback is appreciated. i don't know much about cars either lol
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      03-31-2012, 01:37 PM   #2
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jb3 is for the 335i not the 328i
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      03-31-2012, 01:37 PM   #3
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you can put a BMS powerbox in the 328i but that only adds like 10 horsepower
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      03-31-2012, 01:54 PM   #4
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JB3 (which is now updated as a JB4) is only for BMW turbo vehicles, wether it be 135,335,535,Z435i.

328i has BMS Powerbox (Same makers as JB3/4) that remaps the throttle to give you better pedal response and adds around 10hp.

Take a look at Powerbox reviews. Either way a Powerbox 328i isn't faster than a 335i. Hope this helps
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      03-31-2012, 02:21 PM   #5
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You will never be able to get a 328 to a 335's power level without putting a supercharger or turbo on it.
Buy a 335 and tune that, you cant really mod a 328 for power..
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      03-31-2012, 02:34 PM   #6
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Concentrate on cosmetic mods, trust me- I speak from prior experience
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      03-31-2012, 02:53 PM   #7
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Do some research before asking a question like this.
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      03-31-2012, 03:04 PM   #8
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buy the new f30 328i and wait till they come out with a tune for it, maybe you can get close, maybe.
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      03-31-2012, 03:07 PM   #9
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Do some research before asking a question like this.
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      03-31-2012, 03:10 PM   #10
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Quote:
Originally Posted by Cfrem15 View Post
buy the new f30 328i and wait till they come out with a tune for it, maybe you can get close, maybe.
This doesn't make sense. 1) F30 328i would cost more than a E9X 335i and 2) I doubt you could get a F30 328i to put out anywhere near as much power as a 335.
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      03-31-2012, 03:30 PM   #11
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Quote:
Originally Posted by PR3CI5N View Post
Do some research before asking a question like this.
this IS research lol
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      03-31-2012, 04:47 PM   #12
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Quote:
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This doesn't make sense. 1) F30 328i would cost more than a E9X 335i and 2) I doubt you could get a F30 328i to put out anywhere near as much power as a 335.
They are still selling both of them right now (Talking brand new for both, unless he was looking for used) and how would a 328i be more than 335i? and the new ones having the turbo, with a tune and whatever else can end up being faster than a stock 335i
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      03-31-2012, 05:05 PM   #13
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I doubt the F30 with a tune could beat a stock 335i and it would get destroyed by a tuned 335i so this thread needs to be closed. No body should be buying a 328i for speed.

Quote:
Originally Posted by Cfrem15 View Post
They are still selling both of them right now (Talking brand new for both, unless he was looking for used) and how would a 328i be more than 335i? and the new ones having the turbo, with a tune and whatever else can end up being faster than a stock 335i
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      03-31-2012, 06:46 PM   #14
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Run my 335 and you'll see
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      03-31-2012, 06:54 PM   #15
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Quote:
Originally Posted by PR3CI5N View Post
I doubt the F30 with a tune could beat a stock 335i and it would get destroyed by a tuned 335i so this thread needs to be closed. No body should be buying a 328i for speed.
theres an article around here I'm not gonna dig it up but i forgot which tuner company said it but they stated they can tune the F30 to get around 280-90 hp.
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      04-01-2012, 01:38 AM   #16
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Quote:
Originally Posted by Beemw335 View Post
You will never be able to get a 328 to a 335's power level without putting a supercharger or turbo on it.
Buy a 335 and tune that, you cant really mod a 328 for power..
Sad but true. The 328i with a s/c will yield approx. a 30% increase which will put you around 300hp which just about stack up to a stock 335. With a simple tune for the 335, it can gain 30-80whp -- more than n52's tune and mods can offer.
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      04-02-2012, 07:58 AM   #17
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The n20 is going to surprise a lot if people, especially with the new auto gearbox the f30 is using.
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      04-02-2012, 08:05 AM   #18
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Get a 335i, you wont regret it.
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