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M3Tuner44 M3Tuner44 is offline
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Default BEP Billet Compressor Wheel Install & Results - 05-15-2012, 08:40 PM

So it all started with an email to turbokits.com and went from there. I inquired about the Bulls Eye Power(BatMoWheel) Compressor wheel, Since I was the guinea pig for this Jesse from TK proposed an offer I could not refuse. So we went back and forth with a bunch of emails and got everything settled and I went down to Turbokits.com in connecticut for my "Before" dyne session. The facility there is amazing, there are a ton of cars and projects there and they really know what there doing. Jesse was very accommodating and showed me the shop then we latched down the 335 and got ready for some pulls. My car has a jb3 on map 3 and a dci installed, and out of the 6 pulls the car made on average 320whp and 325wtq on a mustang dyno.







Car jacked up and ready. Then I removed the plastic under trays and the V brace.




Then the oil was drained as well as the coolant.
For manual cars you can drain it from the water pump which looks like a little turbo near the front intercooler. On AT cars you can remove the hose from the heat exchanger above the sway bar. If I need to explain how to drain the oil then I would suggest you don't try this.


Next I had to drop the subframe so first I unbolted the passenger side engine mount. First unbolt the 2 ETorx bolts that connects the engine mount to the subframe and then the 4 Etorx bolts that connects the engine mount to the engine. Be sure to support the engine with a jack. While I was there I unbolted the steering rack so it could be moved around.





Now that was dropped it gave me a little better access to the *********. So the o2 sensors were removed and I removed the 4 bolts connecting the ********* to the mid pipes and then the v-band clamps.
















Smallest turbos I've ever seen









And the Rebuild Begins. The exhaust housing/manifold is connected to the center section with a v-band clamp. The compressor housing is held together with a very stubborn snap ring.




Stock Wheel




BEP Billet Compressor Wheel












Manifold/exhaust housing Ceramic coated








Everything will be going back together tomorrow, And car will be re-dynoed on Saturday
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rooringhusky rooringhusky is offline
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Default 05-15-2012, 08:47 PM

Cool post...How much did this new wheel upgrade cost you? Very nice pictures and writeup...Really like the ceramic coating job..
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M3Tuner44 M3Tuner44 is offline
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Default 05-15-2012, 08:49 PM

Quote:
Originally Posted by rooringhusky
Cool post...How much did this new wheel upgrade cost you? Very nice pictures and writeup...Really like the ceramic coating job..
Well its $800 if you were to buy them straight from turbokits.com, but I don't think I can say what price I paid for them. Thank I figured I would either wrap them or get them coated while they are out.
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chuckd05 chuckd05 is offline
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Default 05-15-2012, 08:50 PM

Interested in results... I believe another member did this as well but i will withhold any information on his outcome as Im not sure if its the same wheel or not...


AN ANGRY RB E92
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rooringhusky rooringhusky is offline
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Default 05-15-2012, 08:51 PM

Quote:
Originally Posted by M3Tuner44
Well its $800 if you were to buy them straight from turbokits.com, but I don't think I can say what price I paid for them. Thank I figured I would either wrap them or get them coated while they are out.
Gotcha...Thanks for the response...

And it looks like more than just a wheel upgrade? Anyway you can explain anything and everything that was changed?

Cant wait til Saturday for the dyno results
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M3Tuner44 M3Tuner44 is offline
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Default 05-15-2012, 08:54 PM

Quote:
Originally Posted by rooringhusky
Gotcha...Thanks for the response...

And it looks like more than just a wheel upgrade? Anyway you can explain anything and everything that was changed?

Cant wait til Saturday for the dyno results
The only thing upgraded on the turbo was the compressor wheel, nothing else.
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farbmw farbmw is offline
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Default 05-15-2012, 09:26 PM

Are you going to upgrade to the JB4 at least?
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themyst themyst is offline
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Default 05-15-2012, 11:03 PM

Quote:
Originally Posted by chuckd05
Interested in results... I believe another member did this as well but i will withhold any information on his outcome as Im not sure if its the same wheel or not...
Its the exact same upgrade I had.


E90 LCI N54 6AT
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M3Tuner44 M3Tuner44 is offline
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Default 05-16-2012, 05:43 AM

Quote:
Originally Posted by farbmw
Are you going to upgrade to the JB4 at least?
Yup jb4, *********, intercooler, and meth will come after.
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bnk bnk is offline
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Default 05-16-2012, 06:27 AM

Great pics! Thanks!
Too bad that the bottleneck is on the turbine side, so the compressor wheel alone is not going to do much if anything.
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ianthegreat ianthegreat is offline
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Default 05-16-2012, 06:39 AM

So cool someone has finally posted pictures of how they did it. Those of us with multiple cars would REALLY love a DIY. While I understand this would be a long and complicated report, I would gladly invest some money towards it.
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scottp999 scottp999 is offline
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Default 05-16-2012, 07:10 AM

Quote:
Originally Posted by themyst
Its the exact same upgrade I had.
Did you detail the results? Link? Thanks.


Rob Beck Turbos, PROcede Rev. 3, Procede Fueling Flash (via OpenFlash Tablet), PPS Methanol System (DO12/Aquamist Flow Sensor), DCI, Quaife LSD, BMW Performance Suspension, Autobahn Exotics Exhaust, Helix FMIC, AR Design Dps, BSH Catch Can, Forge Diverter Valves, P3cars Vent Boost Gauge, Alufelgen CSL Reps, Lux 5.1 H8 Angel Eyes, HPB HID Fogs, LTBMW M3 Side Skirts, BMW M3 Rear Spoiler, BMW Front Aero Lip, BMW Pedal Kit, BMW M Shift Knob, Autotecknic Matte Black Grilles.
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R1000K3 R1000K3 is offline
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Default 05-16-2012, 07:21 AM

Great report, looking forward to the result with Billet Wheel.
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Rob@RBTurbo Rob@RBTurbo is offline
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Default 05-16-2012, 07:33 AM

Most turbo components are balanced individually. But with anything, there is some error. Pending on how the error of each component ends up orientated, it could cancel itself out or stack together causing larger error. With tiny turbos such as these that spin 200k RPM, that stacked error can cause balancing issues. That said complete assembly balancing should not be overlooked IMO.

I've seen these wheels in person as well. They look cool but are the original size so there is no compressor housing machining. Additionally they didn't seem to be sized exactly right for the housing. I've seen worse but would've preferred a little tighter clearances.

Good write up though. That's alot of work and a whole lot more documenting all the steps.


See www.rbturbo.com for N54 Twin Turbo Bolt-On upgrades, or contact directly 314-630-8950 rob.rbturbo@gmail.com for a price quote.
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cstavaru cstavaru is offline
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Default 05-16-2012, 07:37 AM

I don't understand, why do you expect better results than stock since the wheels have the same dimensions ?
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bigugly bigugly is offline
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Default 05-16-2012, 07:45 AM

More aggressive blades


the only thing i cant fix are broken hearts. gimmie a try in houston :D
I want to be your authorized installer for your BMW products!
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Default 05-16-2012, 07:48 AM

Watching this one.


2008 135i Montego Blue / Boston Lemon 6MT
Current Mods: JB4 with 15 ohm, BMS Meth Kit DCI, Berk Race, VRSF 3" DPs, BMS OCC, BMS 4 LED Halos, VMR V710s
12.5 @ 116mph 2.03 60ft on Street tires, no meth
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themyst themyst is offline
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Default 05-16-2012, 07:56 AM

Quote:
Originally Posted by scottp999
Did you detail the results? Link? Thanks.


The red line is my stock turbos on the Cobb race map 20 psi down low, 17.5 psi at 5000, 14 psi at redline.

The blue line is the batmowheels fully tapped out at 20 psi tapering to 16.

I tested at nominal boost levels as well for pump gas, same story; lost power up top.


E90 LCI N54 6AT
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enrita enrita is offline
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Default 05-16-2012, 08:00 AM

waste of money and time...


07 335i AT - TD St.2 Turbos - COBB (Custom Cobb mapping by http://www.protuningfreaks.com/) - JB4G5 - Ported Head - Okada Coils - NGK 5992 Plugs - Injen Intake - Helix IC - Snow Stg. 3 - Stett CP - AR DPs - Custom midpipes with 100 HJS Cats - Bastuck Quad - PSS10 - QUAIFE LSD - BMS OCC - Forge DVs - AR OC - ALCON BBK - M3 Chassi - Dinan CP - Velocity M rear Toe arms - Advan RZ-DF - LUX H8 - Level 10 AT upgrade
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bigugly bigugly is offline
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Default 05-16-2012, 08:05 AM

Wow, that was Dissapointing...... Sorry you didn't get decent gains


the only thing i cant fix are broken hearts. gimmie a try in houston :D
I want to be your authorized installer for your BMW products!
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M3Tuner44 M3Tuner44 is offline
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Default 05-16-2012, 10:08 AM

Car will be fully put back together in the next few hours and I'll test her out an see if I feel any differences ten she'll be dynoed on Saturday.
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Default 05-17-2012, 05:27 AM

Looking forward to the results
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scottp999 scottp999 is offline
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Default 05-17-2012, 05:41 AM

Quote:
Originally Posted by themyst

The red line is my stock turbos on the Cobb race map 20 psi down low, 17.5 psi at 5000, 14 psi at redline.

The blue line is the batmowheels fully tapped out at 20 psi tapering to 16.

I tested at nominal boost levels as well for pump gas, same story; lost power up top.
Thanks a bunch. I hope you get the chance to overlay that with a 3rd line from what you are currently running.

-Scott


Rob Beck Turbos, PROcede Rev. 3, Procede Fueling Flash (via OpenFlash Tablet), PPS Methanol System (DO12/Aquamist Flow Sensor), DCI, Quaife LSD, BMW Performance Suspension, Autobahn Exotics Exhaust, Helix FMIC, AR Design Dps, BSH Catch Can, Forge Diverter Valves, P3cars Vent Boost Gauge, Alufelgen CSL Reps, Lux 5.1 H8 Angel Eyes, HPB HID Fogs, LTBMW M3 Side Skirts, BMW M3 Rear Spoiler, BMW Front Aero Lip, BMW Pedal Kit, BMW M Shift Knob, Autotecknic Matte Black Grilles.
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M3Tuner44 M3Tuner44 is offline
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Default 05-17-2012, 06:28 AM

So the car is running great Saturday it will be dynoed and we'll see what happens. I was told by Turbokits that the wheel was previously tested on an AT car but there was some type of restriction that limited its power. Anyway Saturday will tell it all.
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themyst themyst is offline
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Default 05-17-2012, 06:34 AM

Quote:
Originally Posted by M3Tuner44
So the car is running great Saturday it will be dynoed and we'll see what happens. I was told by Turbokits that the wheel was previously tested on an AT car but there was some type of restriction that limited its power. Anyway Saturday will tell it all.
Yes and you will be sorely disappointed. Please make sure you dyno on the EXACT same map to see if they make power or not.

PS they are idiots. The torque limiter was an initial issue that was resolved and is Cobb related. You would not see this issue on a JB. They're just holding out blind hope.


E90 LCI N54 6AT
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