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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 > Procede V5 / PWM Meth / DCI Installed- First Impressions



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      10-12-2011, 08:30 AM   #23
Chefcg1
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I'd pay money to see that Better yet, I'll pay you to throw on my DP's. Cause shops still take 2-3 hours just for those!
come to NC, I work for beer
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      10-12-2011, 10:29 AM   #24
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I tested a FBO with PWM and it's nice system for sure but as far as comparing it with my FBO PPS meth kit, I really didn't feel anything different. Partial half or full throttle both were extremely responsive. Mods on both cars are similar even to brand used. Maps used both on 7-11. The only thing I saw significant difference was amount of meth used. Either way I am glad OP you are happy with you meth system, But after driving a PWM system I don't feel like I am losing out on anything, at least that's what my butt dyno is telling me!

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      10-12-2011, 11:18 AM   #25
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The only thing I saw significant difference was amount of meth used.
which one used more / less?
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      10-12-2011, 11:25 AM   #26
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which one used more / less?
PWM meth uses substantially less meth to get the same level of knock suppression. Which gives room to run more meth to get better knock suppression as we do with our Aggressive maps (max 100%DC instead of 80%DC). Typically, you want to run as less meth as possible to get the desired effect since it will never distribute as well as fuel delivered by 6 individual injectors. This is why you see bank 1 and bank 2 fuel trims deviate a bit more when meth is flowing. Even at 100%DC, the PWM meth kit is only flowing 850cc/min. And from the logs I see daily, it routinely outperforms PPS kits in all respects (fuel trim stability, post-shift knock suppression, response time, etc,.) I don't think you can go wrong with any meth kit since it's just a wonderful power adder. But there certainly are levels of goodness that you will need to weigh with your particular needs/cost.

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      10-12-2011, 11:31 AM   #27
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Not sure of the nozzle size of the aquamist kit but the PPS kit was using a DO7 nozzle but Shiv is right the PPS used a drop more meth on the same distance. There was nothing scientific and accurate though and just using a piece of tap of where the meth level was!! Either way whatever system meth is definitely something almost everyone should look into if you are looking for consistent real power gains
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      10-16-2011, 07:32 PM   #28
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Just thought I'd check in again, this thing is still running spot on. No complaints.

Meth is awesome.
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      10-16-2011, 08:41 PM   #29
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Just thought I'd check in again, this thing is still running spot on. No complaints.

Meth is awesome.


Ya......me too!

Ran two datalogs today on the PWM kit and both were perfect.

I think I'm leaving things alone for a while
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      12-12-2011, 09:56 PM   #30
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Did this ever get dynoed? I just installed the PWM meth kit on my xi tonight. Hand of God is 100% accurate! ..sideways with AWD and four people in the car. It's completely nuts. Same mods as OP....for now
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      12-12-2011, 10:11 PM   #31
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mine is on order still.. come on ship it guys!! need this!!!
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      12-27-2011, 09:13 PM   #32
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Did this ever get dynoed? I just installed the PWM meth kit on my xi tonight. Hand of God is 100% accurate! ..sideways with AWD and four people in the car. It's completely nuts. Same mods as OP....for now
unfortunately i have not gotten it dyno'd. It was removed from my car by shiv because we are having some throttle body issues on my car. Hoping to hear back from him soon because i need to get my issues resolved.

let me know what your car puts down.

shiv help me.
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