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BIGBOYQ's Avatar
BIGBOYQ BIGBOYQ is offline
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Default Feedback on using METH injection with N20 - 11-29-2017, 02:19 PM

Hi,

I have an E89 Z4 28i, and considering looking at Meth injection, but very interested on feedback from peeps who have done this.


Z4 E89 28i: JB4: DE-C8tted: KW3 Coilovers
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Mid_Night_F20 Mid_Night_F20 is offline
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Default 02-07-2018, 05:55 PM

Also keen to hear about this.

How much power can the n20 handle with meth?

How much meth is too much?

Which kits are you guys running?
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eligard eligard is offline
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Default 02-08-2018, 08:37 PM

Subscribing to this discussion.
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Mid_Night_F20 Mid_Night_F20 is offline
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Default 02-20-2018, 04:01 PM

Well not much action in here haha!

Anyway Im gonna be installing an Aquamist hfs4 kit on my car in a few weeks so I can provide some feedback once setup and the car is tuned.

Tom
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Terry @ BMS Terry @ BMS is offline
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Default 02-20-2018, 06:32 PM

Quote:
Originally Posted by Mid_Night_F20
Also keen to hear about this.

How much power can the n20 handle with meth?

How much meth is too much?

Which kits are you guys running?
The N20 works well with WMI but keep in mind the motor itself is relatively weak... Rods tend to get thrown over 22psi. So don't tune it too aggressively.


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Gruietta Gruietta is offline
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Default 05-15-2018, 08:40 AM

Subscribing to this discussion. :D
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Mid_Night_F20 Mid_Night_F20 is offline
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Default 05-15-2018, 08:02 PM

So I'm currently running my N20 with FBO, JB4 map 2, E30 blend and snow performance stage 2 meth kit with a single 225ml/min jet using 50/50.

Car runs great. AFR get down to about 12.7. top end feels much stronger.

Will post logs when i get the opportunity .
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Mid_Night_F20 Mid_Night_F20 is offline
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Default 05-29-2018, 10:31 PM

as promised I'm attaching logs.

n20, EWG, FBO, JB4 map 2, E30 fuel blend, Snow performance stage 2 kit with 225ml/min nozzle using approx 60% meth 40% water mix.
Attached Files
File Type: csv map 2 E30 meth run1.csv (8.5 KB, 18 views)
File Type: csv map 2 E30 meth run2.csv (6.0 KB, 10 views)
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CntryClub007 CntryClub007 is offline
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Default 06-21-2018, 12:48 PM

I hit the dyno in the 320i w/ Meth.

Car Details:
Model: 320i, RWD
Engine: N20
Intake: AFE Momentum
Turbo: OEM
Plumbing: ER Turbo to Intercooler & Chargepipe
Intercooler: VRSF Street
EDP: OEM
Exhaust: AWE w/ Mid-pipe
Tune: JB4
Meth Kit: Burger Tuning w/ CM7 Nozzle (Stealth Tank, Pump, FSB, etc...). WMI Boost Additive Setting of "55"
Methanol: Boost Juice
Fuel: 30% E85 / 70% 93 Octane

I did 3 runs of each JB4 map to make sure results were accurate and repeatable.
Map 0 - JB4 Off
Map 5 - JB4 320i Autotuning Map
Map 3 - JB4 Methanol Map

The boost levels achieved on each map were the following:
Map 0 - 8lbs
Map 5 - 16lbs
Map 3 - 22lbs

HP / TQ Numbers (Wheel) were the following:
Map 0 - 191 / 189
Map 5 - 245 / 254
Map 3 - 270 / 291

Overall I'm happy with the car. With the 320i being stripped down and RWD, when it goes into "Meth mode" you can certainly feel it. Watching the IAT decrease in temp vs. increase is great too. I hope to move to a 340i in a couple of years, but where I'm at in life, I'm certainly happy with the gains.

Happy to answer any questions for anyone considering the installation. I think I was able to complete the install quite cleanly between the trunk and engine bay.

https://ibb.co/gvi3VT
https://ibb.co/kXiRjo
https://ibb.co/b2Hmjo
https://ibb.co/d6VTx8
https://ibb.co/czbOVT
https://ibb.co/eAY3VT
https://ibb.co/erLHqT














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Mid_Night_F20 Mid_Night_F20 is offline
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Default 06-22-2018, 03:12 AM

Quote:
Originally Posted by CntryClub007
I hit the dyno in the 320i w/ Meth.

Car Details:
Model: 320i, RWD
Engine: N20
Intake: AFE Momentum
Turbo: OEM
Plumbing: ER Turbo to Intercooler & Chargepipe
Intercooler: VRSF Street
EDP: OEM
Exhaust: AWE w/ Mid-pipe
Tune: JB4
Meth Kit: Burger Tuning w/ CM7 Nozzle (Stealth Tank, Pump, FSB, etc...). WMI Boost Additive Setting of "55"
Methanol: Boost Juice
Fuel: 30% E85 / 70% 93 Octane

I did 3 runs of each JB4 map to make sure results were accurate and repeatable.
Map 0 - JB4 Off
Map 5 - JB4 320i Autotuning Map
Map 3 - JB4 Methanol Map

The boost levels achieved on each map were the following:
Map 0 - 8lbs
Map 5 - 16lbs
Map 3 - 22lbs

HP / TQ Numbers (Wheel) were the following:
Map 0 - 191 / 189
Map 5 - 245 / 254
Map 3 - 270 / 291

Overall I'm happy with the car. With the 320i being stripped down and RWD, when it goes into "Meth mode" you can certainly feel it. Watching the IAT decrease in temp vs. increase is great too. I hope to move to a 340i in a couple of years, but where I'm at in life, I'm certainly happy with the gains.

Happy to answer any questions for anyone considering the installation. I think I was able to complete the install quite cleanly between the trunk and engine bay.

https://ibb.co/gvi3VT
https://ibb.co/kXiRjo
https://ibb.co/b2Hmjo
https://ibb.co/d6VTx8
https://ibb.co/czbOVT
https://ibb.co/eAY3VT
https://ibb.co/erLHqT














nice numbers, although i have changed to BM3 now and it feels alot better than JB4, I recommend it !

Are you able to post a log with meth? just wanna see how much your IAT's drop with meth, mine don't drop alot but it is winter here so air temp is low to begin with.
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Mid_Night_F20 Mid_Night_F20 is offline
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Default 06-22-2018, 03:12 AM

Also I attach my DIY for a stealth meth install for the F series:
http://f30.bimmerpost.com/forums/sho...light=meth+diy
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