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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 > Velocity Throttle Booster Install and Review by PYSpeed's Chowbox



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      08-12-2009, 01:13 AM   #1
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Lightbulb Velocity Throttle Booster Install and Review by PYSpeed's Chowbox

PYSpeed got some detail write up on install and review on Velocity's Throttle Adjustable Booster. Below is written by our E60 customer with a 2007 550.

chowbox
------------------------------------------
As I sit down to write this I think this was one of my favorite things Iíve done to any of my cars over the years.

I recently purchased my 2007 550 from a fellow forum member. If you donít know already, Dranged and I are best friends and Iíve put extensive seat time in his 550 that is equipped with a Sprintbooster. I was dead set on getting rid of the lag my car has that his doesnít since his install.

I was going to get a sprintbooster until I read about this new product. Velocity.

I contacted Eric with PYSpeed about the current group buy.

The manufacturer was able to ship prior to the group buy ending. Very cool.

I was at work today when the FedEx guy walked in with a surprise.

Cracked it open to find a Velocity


Construction is solid., with OE connectors on the ends.



Installation Ė
I got home with high expectations of what this thing was going to do for me. I grabbed a pick tool too to pry the cover off of the 5mm hex bolt. Pull the bolt, and popped the accelerator pedal out within seconds





I popped the cable loose and connected the leading wire connector for the Velocity to the accelerator assembly



I connected the trailing wire to the car side of the wiring. I put things back in, in the reverse order of disassembly. I found some body molding tape in the tool box. Took one strip of this stuff to make it nice and solid. 3M tape rocks! Cause itís from Minnesota.




I think this install took ten minutes due to it being my first time pulling things apart in here and the fact I took a few pics for you guys.

I didnít tuck wires inside panels, as Iíll need to take this out in the next few weeks because Iím taking my car in for service. When I get the car back Iíll take a few minutes to hide the wires

First thoughts Ė

No check engine lights or sprint booster blues running conditions that Iíve read about on this forum

In fact, nothing at all. Seemed like there was nothing new. The unit was off. I pressed the power button to be pleasantly surprised that the accelerator was very slightly different.




I needed more. By going to level 2 there seemed to be no lag in the pedal. Nice. I think this will be a great everyday mode for me.



Level three seems the most like a Sprintbooster. Like itís amplified slightly. Good stuff.



Level 4 is crack cocaine mode. Itís kind of nuts. The car is a monster. And I totally forgot to put my car into sport mode until this point. Slide it over to sport and Iím starting to think The Tire Rack must be giving kick-backs to Velocity cause this is thing is going to be the demise of quite a few sets of tires Iím sure.



This unit is fairly expensive. I think due to the fact I can turn it off on the fly or even adjust the level I want makes it well worth the extra money. I feel safer letting my girlfriend drive it because I can turn the thing off. I love level 4 in sport mode but I know I donít want to drive with it on all the time, especially with snow here 5 months of the year.

The last part of my review is almost as rewarding. A nice beer and a mushroom, onion and cheese stuffed steak on the grill will round the night off as I type this.





a special thanks to my install partner, my Vizsla, Teke


----------------------------------------------------------
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      08-12-2009, 01:53 AM   #2
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nice, so it is just throttle response you're feeling, right? the car isn't actually any faster?
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      08-12-2009, 02:09 AM   #3
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Quote:
Originally Posted by darkphantom View Post
nice, so it is just throttle response you're feeling, right? the car isn't actually any faster?
It's not just a feel, you are faster because the response is faster. =)
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      08-13-2009, 11:39 AM   #4
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Couldn't you save $ and just press the pedal more/faster?
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      08-13-2009, 11:45 AM   #5
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so this just adjusts the drive-by wire response time? i thought when you de-activate the DTC, that it does just that?
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      08-13-2009, 11:46 AM   #6
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Quote:
Originally Posted by ezatnova View Post
Couldn't you save $ and just press the pedal more/faster?
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      08-13-2009, 12:19 PM   #7
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Quote:
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so this just adjusts the drive-by wire response time? i thought when you de-activate the DTC, that it does just that?
Hahaha..... it's a lot more intense than just that.... =)
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      08-13-2009, 12:54 PM   #8
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How come its so expensive? A JB3 cost about the same used. Also it more than a PIVOT 3-DRIVE throttle controller ?
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      08-13-2009, 09:36 PM   #9
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Quote:
Originally Posted by chiaobaby View Post
How come its so expensive? A JB3 cost about the same used. Also it more than a PIVOT 3-DRIVE throttle controller ?
We are trying our best with the manufacture. Already $50 lower than the price selling in Asia. =)
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      08-14-2009, 12:54 AM   #10
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The device changes the throttle curve.
So it's like you're pressing more, earlier.

If you're trying to mash the petal as fast as possible, then sure you can save 1/10 of a second from idle to WOT with this thing.
(Because you're almost WOT by the time you press the petal only 1/4 of the way... then the remaining 3/4 of throttle motion barely does anything).



Now if someone could make a mod that removes the ECU's throttle input lag, THAT would be killer.

-scheherazade
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      08-15-2009, 12:36 PM   #11
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where do you buy this?
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      08-17-2009, 08:47 AM   #12
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How much is this piece and does it work for and or on an E90 M3?

PM me details if you can't post up pricing, etc.

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      08-17-2009, 12:54 PM   #13
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How much is this piece and does it work for and or on an E90 M3?

PM me details if you can't post up pricing, etc.

M
PM Sent =)
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      08-17-2009, 12:57 PM   #14
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      08-17-2009, 01:18 PM   #15
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Quote:
Originally Posted by BMWDEMON View Post
How much is this piece and does it work for and or on an E90 M3?

PM me details if you can't post up pricing, etc.

M
Why? The power button on the M3 does the same thing - you'll notice the throttle becomes a lot more "touchy."
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      09-01-2009, 01:43 PM   #16
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bump~~
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      09-06-2009, 04:03 AM   #17
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does this work on any BMW?

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      02-01-2010, 09:37 AM   #18
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Quote:
Originally Posted by Mike@PYSpeed.com View Post
bump~~
I think that for 335i, this box has potential but not as a performance enhancer, but rather as a fuel consumption enhancer.

I don't know who is fabricating this, but given the max torque at low-rpm for the 335i, they should make a "map" which very slowly ramps up the throttle regardless of how fast the pedal is pressed. Kind of the opposite of what it does now. I noticed that if I accelerate really slowly I get way better mileage in town. But it's hard to do this and I forget to do it many times. So an electronically-dampened throttle response would be a great help.
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