N52 before and after nitrous dyno

[MarkkyyMan]

Originally Posted by TheSt|G

Even then, if the goal is more power, go for more power. Nick G(under the name of MaxPSI) makes a really good DD friendly S54 turbo kit that puts down serious power.

I simply don't get the allure of nitrous. It gives you a stat sheet number, not a real performance change.

How does nitrous-oxide not give you a real performance change?

Nitrous-oxide has its applications, most BMW's aren't ideal applications for this specific power adder. Loads of cars and bikes do run nitrous-oxide with great results.

[TheSt|G]

Originally Posted by MarkkyyMan

How does nitrous-oxide not give you a real performance change?

Nitrous-oxide has its applications, most BMW's aren't ideal applications for this specific power adder. Loads of cars and bikes do run nitrous-oxide with great results.

It's not something you are consistently running. You occasionally flip the switch at the traffic light for the stat sheet measuring contest, but it has no application in the regular performance output of the vehicle.

[MarkkyyMan]

Originally Posted by TheSt|G

It's not something you are consistently running. You occasionally flip the switch at the traffic light for the stat sheet measuring contest, but it has no application in the regular performance output of the vehicle.

You do realize alternative methods exist other than flipping a switch to activate nitrous-oxide right? From WOT to RPM activation, your car can be tuned to run on a single tune and the nitrous only kick in once you have reached a certain RPM or are at WOT. They do also offer progressive shots so it gradually builds up to your max. The method you are referring to usually involves carburated vehicles who change jets(to adjust the shot) then go out and flip a switch to run a shot of nitrous.

I just want it to be clear that it isn't always just flipping a switch and they have advanced Fuel Injection systems now.

I still stand by my previous statement that most BMW's are not suited for nitrous-oxide.

[135Pats]

Originally Posted by MarkkyyMan

You do realize alternative methods exist other than flipping a switch to activate nitrous-oxide right? From WOT to RPM activation, your car can be tuned to run on a single tune and the nitrous only kick in once you have reached a certain RPM or are at WOT. They do also offer progressive shots so it gradually builds up to your max. The method you are referring to usually involves carburated vehicles who change jets(to adjust the shot) then go out and flip a switch to run a shot of nitrous.

I just want it to be clear that it isn't always just flipping a switch and they have advanced Fuel Injection systems now.

I still stand by my previous statement that most BMW's are not suited for nitrous-oxide.

I'd agree outside of the S54...Spray has been done to death on that motor and it seems to take well to it. But that's also one of the stoutest NA 6s ever produced....so yea different ballgame than spraying on a 52. Which for the record I think is a seriously bad idea.

[TheSt|G]

Originally Posted by MarkkyyMan

You do realize alternative methods exist other than flipping a switch to activate nitrous-oxide right? From WOT to RPM activation, your car can be tuned to run on a single tune and the nitrous only kick in once you have reached a certain RPM or are at WOT. They do also offer progressive shots so it gradually builds up to your max. The method you are referring to usually involves carburated vehicles who change jets(to adjust the shot) then go out and flip a switch to run a shot of nitrous.

I just want it to be clear that it isn't always just flipping a switch and they have advanced Fuel Injection systems now.

I still stand by my previous statement that most BMW's are not suited for nitrous-oxide.

Does such a setup exist for the N52? My impression was that people were adapting universal kits.

[kobeballer96]

Originally Posted by TheSt|G

Does such a setup exist for the N52? My impression was that people were adapting universal kits.

Yes it's not hard you can make progressive kits too, but I'm not doing this anymore anyways buying my ESS tune next month then saving the rest for the ESS kit.

[TheSt|G]

Originally Posted by kobeballer96

Yes it's not hard you can make progressive kits too, but I'm not doing this anymore anyways buying my ESS tune next month then saving the rest for the ESS kit.

So to be clear, it does not currently exist.

[MarkkyyMan]

Originally Posted by TheSt|G

So to be clear, it does not currently exist.

Most people that know what they are doing don't buy "kits" or "staged" power adders, they piece together what they believe will work best for their specific application & desired outcome.

Same usually applies for suspension components.

[Kizzu]

Sorry for bumping thus thread again but let's say my 52 from the 125i model is pumping 280bhp, will the tranny lifetime be seriously affected?

[TheSt|G]

Originally Posted by Kizzu

Sorry for bumping thus thread again but let's say my 52 from the 125i model is pumping 280bhp, will the tranny lifetime be seriously affected?

Hard to tell as no one has been running the power long enough. Aside from a single spec of the Z4, the higher power N52s use the trans from the e46 ZHP. When my clutch wears out, I plan on using that clutch as a power capable upgrade.

[Kizzu]

Originally Posted by TheSt|G

Hard to tell as no one has been running the power long enough. Aside from a single spec of the Z4, the higher power N52s use the trans from the e46 ZHP. When my clutch wears out, I plan on using that clutch as a power capable upgrade.

Well I guess I'll be finding it out. I've heard that too as the 130i have a different tranny than the 125i and that it has a more rigid gearbox but hopefully it will be enough

[TheSt|G]

Originally Posted by Kizzu

Well I guess I'll be finding it out. I've heard that too as the 130i have a different tranny than the 125i and that it has a more rigid gearbox but hopefully it will be enough

130i uses the same E46 ZHP 6 speed I mentioned earlier.

That being said, BMW historically has been pretty good about building a margin of error into their manuals. Hell, the E46 M3 manual is rated for 1000hp and matching torque.

[Kizzu]

Originally Posted by TheSt|G

130i uses the same E46 ZHP 6 speed I mentioned earlier.

That being said, BMW historically has been pretty good about building a margin of error into their manuals. Hell, the E46 M3 manual is rated for 1000hp and matching torque.

True. BUT don't forget that m cars are waay different than their normal production cars. The build quality is way better IMO

[kobeballer96]

Just swap the e46 trams then. It shouldn't be hard. I changed my si 5 speed trans to a 6 speed from the Rsx type s. If it's all interchangeable i don't see why not.

[TheSt|G]

Originally Posted by Kizzu

True. BUT don't forget that m cars are waay different than their normal production cars. The build quality is way better IMO

I'm aware. BMW does not have a history of producing cars with weak drive train components though.

[chris82]

Originally Posted by TheSt|G

Hard to tell as no one has been running the power long enough. Aside from a single spec of the Z4, the higher power N52s use the trans from the e46 ZHP. When my clutch wears out, I plan on using that clutch as a power capable upgrade.

when do you expect your clutch to wear out? from what I remember, your clutch was significantly softer than mine, and we both have around the same mileage.

[TheSt|G]

Originally Posted by Chrisar82

when do you expect your clutch to wear out? from what I remember, your clutch was significantly softer than mine, and we both have around the same mileage.

Frankly, no idea. The e46 330i clutch I mentioned was generally good for 200k-300k depending on driving skill. Ours does not have enough data yet, plus we are putting significantly more power through it than stock.

[Obioban]

Originally Posted by Chrisar82

when do you expect your clutch to wear out? from what I remember, your clutch was significantly softer than mine, and we both have around the same mileage.

A softer clutch generally indicates a earlier in life cycle clutch. When I replacement the clutch in my m3, the pedal became MUCH lighter.

[chris82]

Originally Posted by Obioban

A softer clutch generally indicates a earlier in life cycle clutch. When I replacement the clutch in my m3, the pedal became MUCH lighter.

Hmm I'm not sure what you mean . . .

[MarkkyyMan]

Originally Posted by Chrisar82

Hmm I'm not sure what you mean . . .

+ 1

[kobeballer96]

Originally Posted by Obioban

A softer clutch generally indicates a earlier in life cycle clutch. When I replacement the clutch in my m3, the pedal became MUCH lighter.

... Don't understand. And you must of thrown in a crappy clutch in if the pedal was soft...........

[Obioban]

New OE BMW (replacing 100,000 mile BMW). Not an outlier, every BMW clutch I've replaced has had the same effect.

Worn clutches create a stiffer pedal with SAC's (all bmw's in recent history). A new clutch results in less pedal effort/stiffness.