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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 Powerbox



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      12-13-2012, 07:34 PM   #1
geyer25
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BMS Powerbox

I'm looking at my options and I know the AA tune is the best around but I kinda like the features of the powerbox. What are some opinions on it? Good or bad? I'm not looking to go crazy with this ride.

Thanks in advance
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      12-13-2012, 10:14 PM   #2
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??
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      12-13-2012, 10:22 PM   #3
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I think I've read somewhere that the ride is a little jerky don't quote me though
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      12-13-2012, 10:29 PM   #4
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The bms isnt really a tune. its only remapping the throttle
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      12-13-2012, 10:32 PM   #5
geyer25
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Quote:
Originally Posted by Teeeg28
The bms isnt really a tune. its only remapping the throttle

It says about performance tuning in it too but does it drive better? I had a 500 whp Dodge Caliber SRT-4 with big turbo setup so now I'm just looking for some NA power that fun to play with, nothing crazy....
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      12-13-2012, 10:38 PM   #6
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Originally Posted by geyer25 View Post
It says about performance tuning in it too but does it drive better? I had a 500 whp Dodge Caliber SRT-4 with big turbo setup so now I'm just looking for some NA power that fun to play with, nothing crazy....

I guess its how you look at it really, Ive heard nothing but great things about. But dont get it expecting to see HP gains. As far as in just get old fun it would be a blast. Makes the car seem a little light in my opinion. I dont have one but I have driven cars that have them and have noticed a difference.
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      12-13-2012, 10:43 PM   #7
E90bedi
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i have it in my 2009 328i. and it does make a huge difference. after i installed it and took it for a spin i noticed right away the power. it pulls more and u just feel the constant power. but then again it does only add around 10 hp. but the throttle remapping is pretty cool.
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      12-13-2012, 10:50 PM   #8
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i have it in my 2009 328i. and it does make a huge difference. after i installed it and took it for a spin i noticed right away the power. it pulls more and u just feel the constant power. but then again it does only add around 10 hp. but the throttle remapping is pretty cool.

so you did a dyno and saw a 10 hp gain?
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      12-13-2012, 10:58 PM   #9
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I had it. It makes your car drive like shit. Way too jumpy off the line (initially), and ultimately it's very unrefined. It'll downshift all the fuckin time, too. Get the AA tune, there is NOTHING better. It's better in every way and ACTUALLY has power gains.
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      12-13-2012, 11:07 PM   #10
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I had it. It makes your car drive like shit. Way too jumpy off the line (initially), and ultimately it's very unrefined. It'll downshift all the fuckin time, too. Get the AA tune, there is NOTHING better. It's better in every way and ACTUALLY has power gains.

Thank you for explaining that in much better words hooy
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      12-13-2012, 11:30 PM   #11
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Quote:
Originally Posted by E90bedi View Post
but then again it does only add around 10 hp. but the throttle remapping is pretty cool.
its more like 0 horsepower I think
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      12-13-2012, 11:49 PM   #12
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its more like 0 horsepower I think
lol
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      12-13-2012, 11:50 PM   #13
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no i havent dynoed it but i can feel it. if you dont agree then thats fine. no need to be a smart ass.
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      12-13-2012, 11:52 PM   #14
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is it the best? no but it is cost effective.
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      12-14-2012, 12:24 AM   #15
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no i havent dynoed it but i can feel it. if you dont agree then thats fine. no need to be a smart ass.

not trying to be a smart ass... just trying to tell you that bms does not add hp, and I would love yo be proved wrong, because if it does actually add 10 hp like you say thats an awesome 300 bucks spent. all youre feeling is the lag reduced.... hence the throttle remap
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      12-14-2012, 12:29 AM   #16
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Quote:
Originally Posted by Teeeg28 View Post
not trying to be a smart ass... just trying to tell you that bms does not add hp, and I would love yo be proved wrong, because if it does actually add 10 hp like you say thats an awesome 300 bucks spent. all youre feeling is the lag reduced.... hence the throttle remap
+1 especially if you have an AT
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      12-14-2012, 12:42 AM   #17
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Quote:
Originally Posted by Teeeg28 View Post
not trying to be a smart ass... just trying to tell you that bms does not add hp, and I would love yo be proved wrong, because if it does actually add 10 hp like you say thats an awesome 300 bucks spent. all youre feeling is the lag reduced.... hence the throttle remap
in that case i apologize and i needa sell this shit haha
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      12-14-2012, 12:54 AM   #18
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in that case i apologize and i needa sell this shit haha


hahahaha
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      12-17-2012, 02:18 AM   #19
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Is there any before and after dyno charts? Does bms provide a dyno chart showing any real hp gains? I have a 6 speed so I am not concerned about it downshifting etc
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      12-18-2012, 05:01 PM   #20
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I have it and this was all the difference I needed that stopped me from selling the car. The lag with AT is horrible and this helps.
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      12-18-2012, 05:03 PM   #21
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I do agree it does down shift a lot if you get too much on the gas but you get the option of setting it to 30% or 60% instead of 100%. This is better than trying to downshift by giving it gas and the car not wanting to, what was happening to me before, until I put the pedal to floor and ends up downshifting to WOT.
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      12-18-2012, 06:51 PM   #22
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What is it like in a 6 speed car? I have an N51
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