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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 > Meth question...



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      02-11-2011, 09:36 AM   #1
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Meth question...

I'm flirting with the idea of adding meth. All supported mods will be added includuing a stage II GIAC flash. My question is which is the best available kit on the market today? Reliability and safety are the utmost priority.

I'm currently looking at the Active Autowerke kit > http://store.activeautowerke.com/act...ystem-p71.aspx

Other than the price, it looks pretty attractive. Experts, what are your thoughts.
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      02-11-2011, 09:40 AM   #2
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Quote:
Originally Posted by 99three View Post
I'm flirting with the idea of adding meth. All supported mods will be added includuing a stage II GIAC flash. My question is which is the best available kit on the market today? Reliability and safety are the utmost priority.

I'm currently looking at the Active Autowerke kit > http://store.activeautowerke.com/act...ystem-p71.aspx

Other than the price, it looks pretty attractive. Experts, what are your thoughts.
Remember you have zero safety whatsoever if methanol fails on a flash. That is something to strongly consider.
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      02-11-2011, 09:42 AM   #3
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^ this
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      02-11-2011, 09:43 AM   #4
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      02-11-2011, 11:25 AM   #5
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Thanks for the input. What is the failsafe solution for flash then??? I'm assuming Meth injection is needed in order to join the 400WHP club.
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      02-11-2011, 11:27 AM   #6
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i dont think you need meth for 400whp maybe a giac flash but not with a piggyback.
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      02-11-2011, 11:43 AM   #7
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Quote:
Originally Posted by 99three View Post
Thanks for the input. What is the failsafe solution for flash then??? I'm assuming Meth injection is needed in order to join the 400WHP club.
With a flash there is no way to raise boost when the meth is flowing, so your only option is to inject meth at standard boost which is not ideal. This is your safety with a flash as if the meth stops flowing then you will still be running a safe map.

Right now piggy's handle meth the best and have built in safety where they reduce the boost back to non meth levels if they see that meth has stopped flowing. Raising boost when meth is on is really where the power advantage come from. Without a boost increase you will be left with marginal gains, in terms of octane advance and IAT reductions, but all these gains will be within the confines of a non-meth map so the HP/TQ gains will be minimal.

Mike
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      02-11-2011, 01:39 PM   #8
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Quote:
Originally Posted by Mike@N54Tuning.com View Post
With a flash there is no way to raise boost when the meth is flowing, so your only option is to inject meth at standard boost which is not ideal. This is your safety with a flash as if the meth stops flowing then you will still be running a safe map.

Right now piggy's handle meth the best and have built in safety where they reduce the boost back to non meth levels if they see that meth has stopped flowing. Raising boost when meth is on is really where the power advantage come from. Without a boost increase you will be left with marginal gains, in terms of octane advance and IAT reductions, but all these gains will be within the confines of a non-meth map so the HP/TQ gains will be minimal.

Mike
Appreciate the insight Mike. Following this logic of flash, is it conceivable or safe, to use the old skool boost controller to raise the boost say at WOT at which point have a safe amount of injection of meth. The safety net at this point would be your BC set at a specific threshold. I realize that we’re splitting hairs here since I’d imagine the gains would be minimal vs. the odds of catastrophic failure.
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      02-11-2011, 05:21 PM   #9
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Quote:
Originally Posted by 99three View Post
Appreciate the insight Mike. Following this logic of flash, is it conceivable or safe, to use the old skool boost controller to raise the boost say at WOT at which point have a safe amount of injection of meth. The safety net at this point would be your BC set at a specific threshold. I realize that we’re splitting hairs here since I’d imagine the gains would be minimal vs. the odds of catastrophic failure.
Mike sells those

at this point the best solution for integrating meth into a n54/55 is going to the Procede.
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