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Go Back   E46Fanatics > Tuning & Tech > Driveline, Engine & DME Tuning

Driveline, Engine & DME Tuning
Talk about driveline improvements, NA tuning and DME tuning your E46 BMW here. This includes diffs, intakes, exhausts, chips, software and OBD tuning.

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Old 12-22-2016, 04:47 PM   #1
Tom87
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Let's all argue about the sprint booster..

I was given a sprint booster to test. Version 3. I was skeptical at first, but honestly I'm pretty sold on this thing. It's much more complex than people make it out to be. It's not as simple as changing where 100% throttle is in the pedal travel.. There is more to it than that.

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Old 12-22-2016, 05:32 PM   #2
rcaso26
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M3 Sport Button Mod

I went all out and had the sprint booster button wired into the "Sport" button on an M3 button panel. A lot of work but now I have a working sport button in my 330i. I think the sprintbooster really gives the car a better power delivery and I like how I can turn it off when I don't want such a twitchy throttle.
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Old 12-22-2016, 05:34 PM   #3
Tom87
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Originally Posted by rcaso26 View Post
I went all out and had the sprint booster button wired into the "Sport" button on an M3 button panel. A lot of work but now I have a working sport button in my 330i. I think the sprintbooster really gives the car a better power delivery and I like how I can turn it off when I don't want such a twitchy throttle.

Wow. Very nice. I like the idea of having a sport button. There's something childishly fun about having a single button that makes a thing have more zoom.
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Old 12-22-2016, 05:38 PM   #4
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Thanks. Yeah it's a huge pain to source the M3 button panel and rewire everything but it looks completely OEM after everything was wired up an installed.
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Old 12-22-2016, 05:56 PM   #5
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you get 100% faster and ramp up is faster, right? If so, if you enjoy the feel then it's worth it to you.

you probably wouldn't want your throttle to be too aggressive though. you want to modulate throttle in a particularly aggressive corner.
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Old 12-22-2016, 06:47 PM   #6
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I busted out laughing at your first throttle blip and the rear kicked out.
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Old 12-22-2016, 07:03 PM   #7
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Originally Posted by rcaso26 View Post
I went all out and had the sprint booster button wired into the "Sport" button on an M3 button panel. A lot of work but now I have a working sport button in my 330i. I think the sprintbooster really gives the car a better power delivery and I like how I can turn it off when I don't want such a twitchy throttle.
You should post the wiring of how you got the sport bottom to work!

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Old 12-22-2016, 07:54 PM   #8
Gibbon
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I'm used to quick action throttle kits on M/cycles and the reward it gives for subtlety. In a car I'm such a bad driver in comparison to my abilities on bikes it could well be a liability. I'm just weird I guess. Bikes I don't even think about controlling it just where I'm going next. Cars still surprise me, I can't read them as well. I know my limits so I haven't put one through a hedge in the last twenty years but in places where it has been safe I have been caught out. One minute fine, next minute spinning. In an awd Audi that takes some doing lol.

On the flip side, the more direct throttle connection may help that connection with the car. If I ever get happy with the idea of abusing a car I own I may try it. With shipping+taxes it's knocking on $360 dollars in the UK. Lots of parts that can be bought for that.
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Old 12-22-2016, 08:05 PM   #9
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did you break off the plastic piece on the mount by accident?
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Old 12-22-2016, 09:12 PM   #10
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Hey dude, a bit unrelated but love the content you have been putting out. Much appreciated.
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Old 12-23-2016, 08:27 AM   #11
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did you break off the plastic piece on the mount by accident?

I think it was on its way out. It came off really easily. (Sigh.. why does something always break?)
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Old 12-23-2016, 08:31 AM   #12
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you get 100% faster and ramp up is faster, right? If so, if you enjoy the feel then it's worth it to you.

you probably wouldn't want your throttle to be too aggressive though. you want to modulate throttle in a particularly aggressive corner.

After talking to some more people, it turns out this is a really sophisticated little device. It has the ability to adapt to certain driving situations. Pulling away from the lights it will tone it down a bit so you don't spin out. And mid corner, it will allow you to modulate the throttle without cranking open the throttle body if you are being gentle. Time will tell though. Im going to be testing it on the track next summer.
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Old 12-23-2016, 11:29 AM   #13
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After talking to some more people, it turns out this is a really sophisticated little device. It has the ability to adapt to certain driving situations. Pulling away from the lights it will tone it down a bit so you don't spin out. And mid corner, it will allow you to modulate the throttle without cranking open the throttle body if you are being gentle. Time will tell though. Im going to be testing it on the track next summer.
See bold, how would it know? Feed off the steering angle sensor? More info please. If it can that's impressive and adds value.

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Old 12-23-2016, 11:50 AM   #14
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See bold, how would it know? Feed off the steering angle sensor? More info please. If it can that's impressive and adds value.



Gibbon

Nothing to do with then steering angle but more to do with the fact that you would be feeding the throttle gently to balance the slip angle. So it wouldn't snap the throttle body open then like it would if you were launching.
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Old 12-23-2016, 03:53 PM   #15
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Thank to gurus of the tuning right here we have privileges to tune throttle maps and much more so this things are useless now))
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Old 12-26-2016, 12:18 PM   #16
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Thank to gurus of the tuning right here we have privileges to tune throttle maps and much more so this things are useless now))


already been proven in other older posts that "tuning" doesnt do what the sprint booster does. look it up.
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Old 01-03-2017, 02:55 PM   #17
rcaso26
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Originally Posted by Mflara20 View Post
You should post the wiring of how you got the sport bottom to work!

Sent from my SM-G930P using Tapatalk
See below link for the wiring instructions on the sport button.

http://www.zhpmafia.com/forums/showt...t=sport+button
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Old 01-03-2017, 06:19 PM   #18
cwarel
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already been proven in other older posts that "tuning" doesnt do what the sprint booster does. look it up.
Well depends who tunes it , for me I have gained a lot more power by , modding igntion , fuel and vanos .
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Old 01-03-2017, 11:20 PM   #19
zander271
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I busted out laughing at your first throttle blip and the rear kicked out.
I did too

Tom and I both have lightened flywheels which makes the rev pretty quick as it is. Wish I had the version you could turn on and off The PO installed it on the car so I got it as a bonus.

Tom, spot on review BTW
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ZHP Mods: JB Lightweight fly wheel (10.5 pounds), Koni FSD ProKit, Supreme Power Drop Hats, Hotchkis front(30.2mm)/rear(25.4mm) sway bars, Sprint Booster, AFE Stage 1 Intake, Morimoto EvoX-R Headlights, Orion V4 Angel Eyes, Satin Black 18x9 ET42 APEX ARC-8 Wheel

330xi Mods:Front Koni Yellow Struts and Rob43 Rear 9 Way adjustable Rear Dampers,Custom Sport Springs,Supreme Power Drop Hats,ZHP 5 speed shift knob

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