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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 > "Safe Tune"



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      04-21-2013, 07:27 PM   #23
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Quote:
Originally Posted by enrita View Post
because is unpredictable. should be used to just cool the charge , not as fuel or octane enhancer. octane has to be provided by the injectors.

i have seen and popped an engine myself because of meth injection.

With stage 2 turbos and 93 octane with cobb you can get around 420-430 whp max. Add meth and you can get 50 whp more but than your tranny gonna start taking hits and if something goes wrong you will pop a piston .

Get an MT tranny or get an M3 and add a compressor.
This is where it is getting confusing, some people tell me to go meth+e85 it is better and safer. And other people tell me the exact opposite.

How long has the vargas stage 2 been out? Is it as reliable as the RBs?
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      04-21-2013, 07:32 PM   #24
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Originally Posted by WLF View Post
Yea i realize that. that is why i created this thread to check for my car what is the most HP i should be aiming for.
That depends on may factors, like daily drivability, reliability, cash, cash, cash, and how much cash you want to spend to keep it running.

Quote:
Originally Posted by enrita View Post
because is unpredictable. should be used to just cool the charge , not as fuel or octane enhancer. octane has to be provided by the injectors.

i have seen and popped an engine myself because of meth injection.

With stage 2 turbos and 93 octane with cobb you can get around 420-430 whp max. Add meth and you can get 50 whp more but than your tranny gonna start taking hits and if something goes wrong you will pop a piston .

Get an MT tranny or get an M3 and add a compressor.
I agree with Enrita for the most part. I view your options as:

1)Get a tune and FBO and experience around 380-390whp first. This might be plenty. I know just a tune + dp's makes a huge difference for me.

2) Go stage 2 with FBO (think 430-450whp), closer to 500whp with meth (if you want to go that route). Keep in mind that stage 2 turbos (Vargas/RBs) also have a MUCH better hp/torque curve than the little stock turbos. This is as big a jump as the actual peak power increase is. You should probably tighten up the suspension and get a LSD/rear lock down kit to eliminate wheel hop and put the power down better at this power level.

3) Go Vargas Stage 3 or the Vishnu kit (500-700whp), which would also mean you would need suspension, bushings, wheel hop lock down kit, LSD, tranny upgrade (torque converter upgrade? i dont know automatics very well), half-shafts, possibly a driveshaft, new SMFW, and a slew of other things

4) Buy an M3, and add a compressor if you have the $
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      04-21-2013, 07:34 PM   #25
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Quote:
Originally Posted by WLF View Post
I understand that the more power you get the bigger the risk. But a a lot of cars are getting close to that HP if not more, with no reported problems. they have been using their upgraded turbo for 1-2 years now with no reported problems. I would consider that as safe so far.
I am not talking about engine, but there are lots of potential failure points at this kind of power level, clutches, half shafts, turbos, etc. When you push cars to the max things go, its just the nature of the game. I am not saying you can't do it but have a contingency budget and don't skimp out on the supporting mods.

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      04-21-2013, 07:36 PM   #26
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Quote:
Originally Posted by Mike@N54Tuning.com View Post
I am not talking about engine, but there are lots of potential failure points at this kind of power level, clutches, half shafts, turbos, etc. When you push cars to the max things go, its just the nature of the game. I am not saying you can't do it but have a contingency budget and don't skimp out on the supporting mods.

Mike
+1 Just look at my above post. If your looking at the VFF600 or Vargas Stage 3's you will need to upgrade a lot more than just engine related stuff.
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      04-21-2013, 07:46 PM   #27
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Quote:
Originally Posted by WLF View Post
yes i drive my friend's GTR frequently. I have to disagree with you the more HP the more fun. But each car has its limits and as i said before conservative power is better than no power.
An awd car that is designed to have 500 hp is a whole lot different than a rwd car that is designed to have 300 hp but instead has 500 hp.
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      04-21-2013, 07:48 PM   #28
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Quote:
Originally Posted by gtaccord View Post
An awd car that is designed to have 500 hp is a whole lot different than a rwd car that is designed to have 300 hp but instead has 500 hp.
I agree
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      04-21-2013, 07:50 PM   #29
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I think this is the way im gonna go tune + FBO . 3 months later get stage 2 and see from there if i should seek out more power.

Quote:
Originally Posted by Eric335 View Post
That depends on may factors, like daily drivability, reliability, cash, cash, cash, and how much cash you want to spend to keep it running.


I agree with Enrita for the most part. I view your options as:

1)Get a tune and FBO and experience around 380-390whp first. This might be plenty. I know just a tune + dp's makes a huge difference for me.

2) Go stage 2 with FBO (think 430-450whp), closer to 500whp with meth (if you want to go that route). Keep in mind that stage 2 turbos (Vargas/RBs) also have a MUCH better hp/torque curve than the little stock turbos. This is as big a jump as the actual peak power increase is. You should probably tighten up the suspension and get a LSD/rear lock down kit to eliminate wheel hop and put the power down better at this power level.

3) Go Vargas Stage 3 or the Vishnu kit (500-700whp), which would also mean you would need suspension, bushings, wheel hop lock down kit, LSD, tranny upgrade (torque converter upgrade? i dont know automatics very well), half-shafts, possibly a driveshaft, new SMFW, and a slew of other things

4) Buy an M3, and add a compressor if you have the $
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      04-21-2013, 07:55 PM   #30
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Another quesiton.

After tune+FBO+meth+stage 2 Turbo, how much more power will the procede offer with their flexfuel upgrade versus the jb4 ?
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      04-21-2013, 08:10 PM   #31
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Quote:
Originally Posted by WLF View Post
Another quesiton.

After tune+FBO+meth+stage 2 Turbo, how much more power will the procede offer with their flexfuel upgrade versus the jb4 ?
Sorry didn't read the whole thread,

I read conservative, not a professional driver, and 07 335i

Why do you want meth and upgraded turbos? How many miles on the 07? Yeah you want to invest 10 - 15k and be conservative? Dude do you know what you are getting into? Do you have a mechanic on will call? Hold on ill read the whole thread I'm missing something.

Edit:

I'm running 19 psi and I am very conservative. I didn't read who will be working on your car? You? If you can't do the work your will not make your budget especially if you want maximum power. Ill say go ProTune COBB FBO E40 if you want to be conservative. Or JB4, but I don't have any experience on that platform. Whatever you do keep us up to date, enjoy! To me conservative means low maintenance, pay to play.
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Last edited by VNeBLOB42; 04-21-2013 at 08:21 PM..
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      04-21-2013, 08:20 PM   #32
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It seems that really no matter what is said on this thread you have your heart set on a big turbo kit. Like Mike and others have said once you get into that league make sure to have some money set aside.

Running 500 WHP even with a conservative tune on a car designed for 300 base HP is hard on the car. To even get that power down reliably you're going to have to get an LSD and coilovers and what not suspension bits so add another 3-4 grand. As Mike stated above "there's are lots of potential failure points at this kind of power level, clutches, half shafts, turbos, etc".

In short you can run a "safe tune" on upgraded turbos that won't grenade your engine, but be prepared to spend on the unexpected parts that will fail handling that power.
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      04-21-2013, 08:20 PM   #33
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Quote:
Originally Posted by VNeBLOB42 View Post
Sorry didn't read the whole thread,

I read conservative, not a professional driver, and 07 335i

Why do you want meth and upgraded turbos? How many miles on the 07? Yeah you want to invest 10 - 15k and be conservative? Dude do you know what you are getting into? Do you have a mechanic on will call? Hold on ill read the whole thread I'm missing something.
I think you are missing the point. i didnt mean i want to invest 15k and have a slow car. i said i want to invest money and have a car conservative for daily driving and can output serious power on the track when needed.
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      04-21-2013, 08:22 PM   #34
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Quote:
Originally Posted by ErvGotti View Post
It seems that really no matter what is said on this thread you have your heart set on a big turbo kit. Like Mike and others have said once you get into that league make sure to have some money set aside.

Running 500 WHP even with a conservative tune on a car designed for 300 base HP is hard on the car. To even get that power down reliably you're going to have to get an LSD and coilovers and what not suspension bits so add another 3-4 grand. As Mike stated above "there's are lots of potential failure points at this kind of power level, clutches, half shafts, turbos, etc".

In short you can run a "safe tune" on upgraded turbos that won't grenade your engine, but be prepared to spend on the unexpected parts that will fail handling that power.
Acually no after reading all the comments now i know stage 3 turbo is too much for my car. Now im trying to see which stage 2 turbo is best
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      04-21-2013, 08:22 PM   #35
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Quote:
Originally Posted by WLF View Post
I think you are missing the point. i didnt mean i want to invest 15k and have a slow car. i said i want to invest money and have a car conservative for daily driving and can output serious power on the track when needed.
I would say you bought the wrong car.
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      04-21-2013, 08:24 PM   #36
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Originally Posted by E90Company View Post
I would say you bought the wrong car.
I tend to disagree with its price + cheap upgrade this car is perfect.
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      04-21-2013, 08:26 PM   #37
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Again you guys are missing the point i never said i want 700whp. all i said is what is good hp for my automatic car used for daily driving and i think after all the replies and the private messages. 90% agree that tune+full mods+RB or stage 2 Vargas is the way to go.
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      04-21-2013, 08:27 PM   #38
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Quote:
Originally Posted by WLF View Post
I think you are missing the point. i didnt mean i want to invest 15k and have a slow car. i said i want to invest money and have a car conservative for daily driving and can output serious power on the track when needed.
I guess I am missing the point, you want two cars? One for track and 1 for DD? Maybe you and I have a different definition of conservative. Either way you can get some serious power that is maintainable on this platform. Enjoy.


Edit: I am smelling what you are stepping in now.
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      04-21-2013, 08:28 PM   #39
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Quote:
Originally Posted by VNeBLOB42 View Post
I guess I am missing the point, you want two cars? One for track and 1 for DD? Maybe you and I have a different definition of conservative. Either way you can get some serious power that is maintainable on this platform. Enjoy.
What im asking for is the most hp i can get with a car that does not need an engine rebuild every 6 months
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      04-21-2013, 08:31 PM   #40
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Originally Posted by WLF View Post
What im asking for is the most hp i can get with a car that does not need an engine rebuild every 6 months
I get you man, ill go back to @enrita first comment. You have AT, you are limited (conservative) , but its still great power.
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      04-21-2013, 08:33 PM   #41
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Originally Posted by VNeBLOB42 View Post
I get you man, ill go back to @enrita first comment. You have AT, you are limited (conservative) , but its still great power.
i totally agree. thank guys for all the help.
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      04-21-2013, 08:37 PM   #42
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Quote:
Originally Posted by WLF View Post
I tend to disagree with its price + cheap upgrade this car is perfect.
Apparently you don't know much about other platforms then...
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      04-21-2013, 08:50 PM   #43
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Quote:
Originally Posted by E90Company View Post
Apparently you don't know much about other platforms then...
i probably dont. price of my car + full mods+stage 2 turbo ~500whp all for 30k
what other car can get me those figures with 30k total .
Please dont mention japanese because my gf would dump me if switch from a bmw to a japanese car ( other than the GTR LOL).
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      04-21-2013, 09:30 PM   #44
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Quote:
Originally Posted by WLF View Post
i probably dont. price of my car + full mods+stage 2 turbo ~500whp all for 30k
what other car can get me those figures with 30k total .
Please dont mention japanese because my gf would dump me if switch from a bmw to a japanese car ( other than the GTR LOL).
Feel bad for you bro... I hope for your sake at the very least she's smoking hot...
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