[435xMaya]

Was wanting to find out if anyone’s pushed the pure500s to their max yet, I have an FBO 435xdrive ewg and am wanting to get to about 500-550 whp but the pure750 and pure stage 2 is to much currently for me, I have no issues running E and would probably go for an custom E50 map

[mike@x-ph.com]

I would not recommend pushing the 500 to 550whp, either lower your power goals or get the 750

[435xMaya]

Originally Posted by mike@x-ph.com

I would not recommend pushing the 500 to 550whp, either lower your power goals or get the 750

If you don’t mind me asking, why not? Also what would your setup be to reach 550whp in an n55 435xdrive.

[435gc]

There are many post detailing the specifics for turbo upgrades.

A simple breakdown would be

Pure500 gets around 450whp
Purestage2 get around 500whp
Pure 750 will get you 550 and into the 600s based on other mods.

[5w20]

Originally Posted by 435xMaya

Was wanting to find out if anyone’s pushed the pure500s to their max yet, I have an FBO 435xdrive ewg and am wanting to get to about 500-550 whp but the pure750 and pure stage 2 is to much currently for me, I have no issues running E and would probably go for an custom E50 map

From what I've come across.




Pure500 -- 475whp/500wtq on full E85 highest so far

• $1095 + $153 (current price for CTS inlet) = $1248

Shuenk N55+ -- 540whp/600wtq on E50 highest so far

• $1599 (includes inlet that's larger than current aftermarket options)

Pure stage 2 (PS2) -- PS2 cars normally make 520-550whp/500-600wtq on E50 and higher claimed 600whp but take that with a grain of salt

• $2500 + core
  • $3000 w/o core

Frankenturbo F55 -- 601whp/604wtq on E73 highest so far

• $2499 (includes inlet that's larger than current aftermarket options)

Pure750 -- 645whp/638wtq on full E85 w/meth highest so far

• $2995 + $153 (current price for CTS inlet) = $3148
  • $2995 + $295 (their larger machined inlet + silicone inlet that's larger than current aftermarket options) = $3290

[n55david]

The 500 isn't going to do those numbers with huge compromises in reliability and will come with a very large amount of additional heat.

Basically that would be dumb to try and do. Don't be dumb.

[mike@x-ph.com]

Originally Posted by 435xMaya

If you don’t mind me asking, why not? Also what would your setup be to reach 550whp in an n55 435xdrive.

If you push your turbo over the power it's meant to make, it won't be reliable anymore, and it will ruin the entire project and take the fun out of it with the constant repairs and replacements.

The 550 whp goal you set, you need a bigger turbo in my opinion

[Timevampire]

Originally Posted by 435gc

There are many post detailing the specifics for turbo upgrades.

A simple breakdown would be

Pure500 gets around 450whp
Purestage2 get around 500whp
Pure 750 will get you 550 and into the 600s based on other mods.

I have my pure stage 2 at 600whp on ethanol with stock intake and highflow cat. With enough fuel you could get 650 out of pure stage2 ewg


Purestage 2 might be too much for people and there is significantly more turbo lag which makes the car less sporty around town. Not to mention the inconvenience of driveline issues at higher power levels. Fuel economy stays unchanged when driving normally.

Keep in mind the turbo isn't as expensive as the supporting mods. If you get dusted by a Kia stinger, you'll likely appreciate some room to grow.

[NEWTRON]

Originally Posted by Timevampire

I have my pure stage 2 at 600whp on ethanol with stock intake and highflow cat. With enough fuel you could get 650 out of pure stage2 ewg


Purestage 2 might be too much for people and there is significantly more turbo lag which makes the car less sporty around town. Not to mention the inconvenience of driveline issues at higher power levels. Fuel economy stays unchanged when driving normally.

Keep in mind the turbo isn't as expensive as the supporting mods. If you get dusted by a Kia stinger, you'll likely appreciate some room to grow.

That's a very generous Dyno. Where in socal is it located? Do you have a log of the dyno runs?

[Timevampire]

Originally Posted by NEWTRON

That's a very generous Dyno. Where in socal is it located? Do you have a log of the dyno runs?

European Auto Source in Anaheim. Yeah I probably have them in my my bm3 cloud.

[435xMaya]

Originally Posted by 5w20

From what I've come across.




Pure500 — 475whp/500wtq on full E85 highest so far

$1095 + $153 (current price for CTS inlet) = $1248



Shuenk N55+ — 540whp/600wtq on E50 highest so far
$1599 (includes inlet that's larger than current aftermarket options)




Pure stage 2 (PS2) — PS2 cars normally make 520-550whp/500-600wtq on E50 and higher claimed 600whp but take that with a grain of salt
$2500 + core
$3000 w/o core




Frankenturbo F55 — 601whp/604wtq on E73 highest so far

$2499 (includes inlet that's larger than current aftermarket options)




Pure750 — 645whp/638wtq on full E85 w/meth highest so far

• $2995 + $153 (current price for CTS inlet) = $3148
  • $2995 + $295 (their larger machined inlet + silicone inlet that's larger than current aftermarket options) = $3290

Awesome list bro, hella helpful thank you!

[harkes]

Originally Posted by Timevampire

I have my pure stage 2 at 600whp on ethanol with stock intake and highflow cat. With enough fuel you could get 650 out of pure stage2 ewg


Purestage 2 might be too much for people and there is significantly more turbo lag which makes the car less sporty around town. Not to mention the inconvenience of driveline issues at higher power levels. Fuel economy stays unchanged when driving normally.

Keep in mind the turbo isn't as expensive as the supporting mods. If you get dusted by a Kia stinger, you'll likely appreciate some room to grow.

Got any 100-200kmh times on that? Must be ~6.5sec with 600whp?

[Timevampire]

Originally Posted by harkes

Got any 100-200kmh times on that? Must be ~6.5sec with 600whp?

Not yet. I have a draggy but need to get a run.

[johnung]

Originally Posted by 435xMaya

Was wanting to find out if anyone’s pushed the pure500s to their max yet, I have an FBO 435xdrive ewg and am wanting to get to about 500-550 whp but the pure750 and pure stage 2 is to much currently for me, I have no issues running E and would probably go for an custom E50 map

I’m going through a tuning process with my Pure500 using Bootmod3 Stage2+ MultiMap FlexFuel tune as the base. So I’ll be able to put anything in the tank from 93-> full E85 and get full performance out of the Pure500. I’ll dyno when the tune is finished.

There’s a lot of misinformation and incomplete information floating around right now, so take stuff with a grain of salt. Most stats and comments don’t include the full mod specs so it’s difficult to obtain apples to apples comparisons.

I try avoid horsepower number comparisons because they get away from the driving experience- which is the real goal. This was several years ago. My friend heavily modded his car. I thought he might eventually ask to be buried in it, he loved it so much.

He was chasing a power number so he installed a Pure Stage2 plus all of the fueling upgrades to get the most out of it. It was a beast that would really throw you back in your seat when the turbo kicked in. It had a big HP number to brag about. But the delay/lag took the fun out of driving it as a daily. The car that he thought that he would keep forever collected dust because subsequent cars were more fun to drive. So he ultimately got rid of it.

His experience was one of the reasons that I thought that I would never replace my stock N55 EWG turbo. But then one of my other buddies told me about his German TTE460 turbo which I watched him dyno to 500whp on E50, and he told me about the Pure500 which is essentially an improved, less costly version of the TTE460.

The huge difference between the TTE460/Pure500 and other aftermarket turbo options is the low end responsiveness. It has none of the delay/lag of the other turbo options. The shape of torque curve is the same as the stock turbo- it skyrockets up to max by 2500 RPMs.

Other turbos that claim responsiveness have torque curves that don’t match their claims. Their torque curves stretch out even beyond 3500 RPMs before reaching their max- that’s delay/lag. See photos. With them, step on the gas and start counting 1-Mississippi… 2-Mississippi…3-M…, before you feel power come on. Just like my buddy’s older design Pure Stage2 turbo.

Instead of focusing on horsepower numbers I highly recommend considering what driving experience you are looking for. Is it a high revving max horsepower track car or an instantly responsive powerful street performance daily driver? Just compare torque curve shapes and how long in the rev range it takes to get to maximum torque.

After my Pure500 was installed it was really fun to drive even on stock OTS Bootmod3 tunes meant for the stock N55 EWG turbo. It is instantly responsive. Step on the gas and it just goes. It’s obvious that it has a lot more power than stock, and that power lasts much longer towards redline. As opposed to the stock turbo horsepower tends to start to die down quickly.

Now that I’m testing early tune drafts that are being designed to optimize the Pure500 performance, the engine feels even smoother and stronger.

It’s good to keep in mind as horsepower is increased towards 550-600whp in the F3x with the N55 that additional components can start to break and require upgrades. Things like transmission and driveshafts may not holdup. You can begin hitting fueling limits that require additional upgrades like M5/S63 injectors (at ~520whp), a Dorch LiftKit and a Dual LPFP setup. So chasing an extra 50whp can get really expensive very quickly.

It may seem like only the cost of one aftermarket turbo vs another, but chasing more horsepower without considering all of the factors, can quickly drain a bank account.

[harkes]

THIS:::

Originally Posted by johnung

Instead of focusing on horsepower numbers I highly recommend considering what driving experience you are looking for. Is it a high revving max horsepower track car or an instantly responsive powerful street performance daily driver? Just compare torque curve shapes and how long in the rev range it takes to get to maximum torque.

I have done the whole tour with my PWG. First stock, then PS1, PS2 Gen1 and now PS2 Gen3. The PS2 is OK, but not great for city driving. I kinda regret getting the PS2 - should have stayed with the PS1. It takes FOR EVER before things start happen with the PS2 if you want to do a quick maneuvre.
I was also chasing peak numbers. We experience. We get older. We learn

[johnung]

Originally Posted by harkes

THIS:::



I have done the whole tour with my PWG. First stock, then PS1, PS2 Gen1 and now PS2 Gen3. The PS2 is OK, but not great for city driving. I kinda regret getting the PS2 - should have stayed with the PS1. It takes FOR EVER before things start happen with the PS2 if you want to do a quick maneuvre.
I was also chasing peak numbers. We experience. We get older. We learn

If you ever decide to change turbos again, consider the Pure500. It has the instant response of a stock turbo or the old Pure Stage1, combined with a lot more horsepower that holds and stretched out towards redline.
Curious what fuel you have available in China? What octane levels? Does E85 exist there?

[harkes]

Originally Posted by johnung

If you ever decide to change turbos again, consider the Pure500. It has the instant response of a stock turbo or the old Pure Stage1, combined with a lot more horsepower that holds and stretched out towards redline.
Curious what fuel you have available in China? What octane levels? Does E85 exist there?

98RON is the best pump but methanol and ethanol can be bought pretty easily. I run 100% meth via my WMI.

[435xMaya]

Originally Posted by johnung

I’m going through a tuning process with my Pure500 using Bootmod3 Stage2+ MultiMap FlexFuel tune as the base. So I’ll be able to put anything in the tank from 93-> full E85 and get full performance out of the Pure500. I’ll dyno when the tune is finished.

There’s a lot of misinformation and incomplete information floating around right now, so take stuff with a grain of salt. Most stats and comments don’t include the full mod specs so it’s difficult to obtain apples to apples comparisons.

I try avoid horsepower number comparisons because they get away from the driving experience- which is the real goal. This was several years ago. My friend heavily modded his car. I thought he might eventually ask to be buried in it, he loved it so much.

He was chasing a power number so he installed a Pure Stage2 plus all of the fueling upgrades to get the most out of it. It was a beast that would really throw you back in your seat when the turbo kicked in. It had a big HP number to brag about. But the delay/lag took the fun out of driving it as a daily. The car that he thought that he would keep forever collected dust because subsequent cars were more fun to drive. So he ultimately got rid of it.

His experience was one of the reasons that I thought that I would never replace my stock N55 EWG turbo. But then one of my other buddies told me about his German TTE460 turbo which I watched him dyno to 500whp on E50, and he told me about the Pure500 which is essentially an improved, less costly version of the TTE460.

The huge difference between the TTE460/Pure500 and other aftermarket [...]

This is my first BMW and I’ve had it two years with very minimal issues, just hit a 100k miles on it last week and no I’m reconsidering doing the turbo out of fear the engine will give, after reading yourself and others responses I think I would definitely go with the Pure500 cause my goal is to get this car to about 450-500 whp and get a bike for if folks really wanna race and keep my 435 as a fun daily, thoughts?

[johnung]

Originally Posted by 435xMaya

This is my first BMW and I’ve had it two years with very minimal issues, just hit a 100k miles on it last week and no I’m reconsidering doing the turbo out of fear the engine will give, after reading yourself and others responses I think I would definitely go with the Pure500 cause my goal is to get this car to about 450-500 whp and get a bike for if folks really wanna race and keep my 435 as a fun daily, thoughts?

A 435i XDrive with a Pure500 would be an incredibly fun daily! Our cars have identical N55 EWG engines and use identical tunes. I’m having fun just testing tune revisions right now on mine.

To run E50 you would only need a Dorch Stage 1.5 HPFP upgrade instead of the other fueling upgrades needed to run full E85.

There are guys tracking their cars with this type of E50 setup so it would be a blast. What mods do you have now?

[dook303]

Originally Posted by 435xMaya

This is my first BMW and I’ve had it two years with very minimal issues, just hit a 100k miles on it last week and no I’m reconsidering doing the turbo out of fear the engine will give, after reading yourself and others responses I think I would definitely go with the Pure500 cause my goal is to get this car to about 450-500 whp and get a bike for if folks really wanna race and keep my 435 as a fun daily, thoughts?

When i pulled my turbo out at 110k to replace with Pure500, my stock turbo was still in great working order. There was no shaft play, leaks or any thing out of the normal. I do meticulously changed my oil at 3k - 3.5k. With that said, the pure500 has been a blast of a car to drive daily on e30.

[435xMaya]

Originally Posted by johnung

A 435i XDrive with a Pure500 would be an incredibly fun daily! Our cars have identical N55 EWG engines and use identical tunes. I’m having fun just testing tune revisions right now on mine.

To run E50 you would only need a Dorch Stage 1.5 HPFP upgrade instead of the other fueling upgrades needed to run full E85.

There are guys tracking their cars with this type of E50 setup so it would be a blast. What mods do you have now?

Currently on MHD Stage 2+ and XHP Stage 3, cts turbo inlet, turbo smart BOV, ERW charge pipe, VRSF catless “cerakote’d” DP, no resonator, ERW 7inch stepped race intercooler and a cts turbo intake, aluminum VCG and two step colder plugs was on E20 last year got into an accident and car was down for a bit so we put it back on 93, going to the HPFP after springs and sway bars

[435xMaya]

Originally Posted by dook303

When i pulled my turbo out at 110k to replace with Pure500, my stock turbo was still in great working order. There was no shaft play, leaks or any thing out of the normal. I do meticulously changed my oil at 3k - 3.5k. With that said, the pure500 has been a blast of a car to drive daily on e30.

Yeah more and more I’m definitely going to go with a pure 500, has anyone seen what the point of diminishing returns is on E on our cars w a pure 500?