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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > NA Engine (non-turbo) / Drivetrain / Exhaust Modifications > BMS PBX



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      03-23-2011, 02:57 PM   #1
aw328xi2008
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BMS PBX

Just bought a used BMS powerbox used for 200$. Planning to install it along with K&N drop in filters. Car is a 328xi AT completely stock. Just wondering, should i sell this unit now and spend 400$ for the AA tune, or just stick with the PBX for now? Kinda hesitant to spend the extra money, but if it's worth it, i will. What do you guys think?
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      03-23-2011, 02:59 PM   #2
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So wait... you purchased a mod without researching, and it is only now (after you spend the money) that you come to ask for input?...
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      03-23-2011, 03:02 PM   #3
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: Go easy on him , we've all done it at one time or another,
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      03-23-2011, 03:04 PM   #4
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Originally Posted by vasillalov View Post
So wait... you purchased a mod without researching, and it is only now (after you spend the money) that you come to ask for input?...
I did my research on the PBX before i bought it. Searched every review i could find and never found one bad thing about it except for the possibility of voiding the warranty (doesn't bother me too much). Wasn't really willing to spend the money on the AA tune, but if it's THAT much better then why not sell the pbx and go with AA. Just looking for some input.
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      03-23-2011, 03:04 PM   #5
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Quote:
Originally Posted by aw328xi2008 View Post
Just bought a used BMS powerbox used for 200$. Planning to install it along with K&N drop in filters. Car is a 328xi AT completely stock. Just wondering, should i sell this unit now and spend 400$ for the AA tune, or just stick with the PBX for now? Kinda hesitant to spend the extra money, but if it's worth it, i will. What do you guys think?
How much horsepower do you think you can get? 10? I dont think youll even notice. Buy some cool wheels.
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      03-23-2011, 03:15 PM   #6
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How much horsepower do you think you can get? 10? I dont think youll even notice. Buy some cool wheels.
It is actaully about the marginal increase in HP but more about the improved throttle response.
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      03-23-2011, 03:16 PM   #7
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might as well put it in if you already have it and see if you like it. It doesn't take that long to put one in or pull it out, so you can always remove it later if you want.
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      03-23-2011, 04:02 PM   #8
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Originally Posted by vasillalov View Post
So wait... you purchased a mod without researching, and it is only now (after you spend the money) that you come to ask for input?...
Well how many threads have you seen that go "I just bought a 335i coupe. Did I pay a good price?"

Bunch of masochists, I guess.
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      03-23-2011, 04:07 PM   #9
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AA Tune is ideal if you plan on doing bolt ons down the line. I suggest getting the tune after the mods so that it can be customized for your car with these modifications taken into account.

The PBX setup is a great system as well, you just don't have the ability to customize it for an intake or exhaust.
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      03-24-2011, 12:13 PM   #10
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Quote:
Originally Posted by Nick@Jlevi SW View Post
AA Tune is ideal if you plan on doing bolt ons down the line. I suggest getting the tune after the mods so that it can be customized for your car with these modifications taken into account.

The PBX setup is a great system as well, you just don't have the ability to customize it for an intake or exhaust.
So basically when i start doing more bolt-on mods (exhaust, intake, etc.) then go for the AA tune?
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      03-24-2011, 12:52 PM   #11
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Id go with the AA tune either way and not even mess with any of that pbx piggy back bull shit.
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      03-24-2011, 05:46 PM   #12
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Right off the bath, I would go with AA, but since you already got your PBX; just try it!

I did the same as you, but the AA tune wasnt out yet. Enjoy the PBX while you can and sell it to recover your $200.
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      03-24-2011, 05:55 PM   #13
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Id go with the OE Tuning software, more HP and better throttle then both mentioned tunes

but the PBX is a great entry level tune, and I ran it for a very long time before getting tuned by OE, so its not a bad thing by any means.
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      03-24-2011, 10:30 PM   #14
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What's the OE tune?

and thanks everyone. i will be installing the pbx next week since i already have it, and when i start adding more bolt-on mods i'll go for the AA tune.
Quote:
Originally Posted by Gavin@MMW View Post
Id go with the OE Tuning software, more HP and better throttle then both mentioned tunes

but the PBX is a great entry level tune, and I ran it for a very long time before getting tuned by OE, so its not a bad thing by any means.
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      03-28-2011, 11:34 PM   #15
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Quote:
Originally Posted by Nick@Jlevi SW View Post
AA Tune is ideal if you plan on doing bolt ons down the line. I suggest getting the tune after the mods so that it can be customized for your car with these modifications taken into account.

The PBX setup is a great system as well, you just don't have the ability to customize it for an intake or exhaust.
I wish you would stop perpetuating false information to try and boost sales. On a 230 hp car and a tune that maybe adds 5hp, replacing "mods" like exhaust and intake which is pretty much all that is available will absolutely need nor benefit from a "tune" The only bolt ons that need tuned are new intake manifolds, cams, valve springs, headers (not even necessary) etc. Those are where the actual restrictions and specs are found that require a tune.

A bolt on exhaust and a fat filter with a fatter tube requires no extra tune whatsover. Please do not post false information just to make a sale.
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      04-07-2011, 11:32 PM   #16
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owned^^^ hahahaha
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      04-08-2011, 11:21 AM   #17
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i heard the AA tune is far better now.
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