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      07-15-2020, 02:56 PM   #45
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Quote:
Originally Posted by Minutes2Midnight View Post
I'm in so deep lol

Doing a CSF racing radiator and Stett oil cooler install today!

Why are you changing the radiator? How was your track event with the SC?
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      07-16-2020, 01:50 AM   #46
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Originally Posted by Biginboca View Post
Why are you changing the radiator? How was your track event with the SC?
Mostly just for peace of mind, I haven't necessarily had any coolant related issues in the last. I had wanted to do an auxiliary radiator from the 335is, but the supercharger intake gets in the way of where that's supposed to mount, so I figured I'd upgrade the radiator instead.

The track day at Charlotte conflicted with my kart racing so I missed out on the one for July. I also have a pretty steady leak from my oil pan gasket they I'd like to get fixed here before I go tracking again. Hopefully by August I'll get back on track again. I have a couple of dyno runs scheduled for tomorrow morning, though!

I can say from experience that the Stett oil cooler is a tight fit. The bracket for the heat exchanger barely cleared the underside of the headlight housing. It took myself lifting up on the entire headlight assembly with a huge amount of force while a friend wrestled the bracket into place. I also had to trim some plastic to even get it to sit flush with the L shaped bracket that it comes with. The OEM brake duct on the m sport bumper had to be deleted or modified, and I wasn't able to run the upper fitting on the heat exchanger in the upward position due to a physical lack of space. Other than that, it's quality stuff and my test drive went well with no leaks!







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      07-16-2020, 09:18 AM   #47
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Could you give the part number for your new diff cover (with cooling fins) please? Do you know if it's a stright swap for cover number 33117518404?
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      07-17-2020, 03:12 PM   #48
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Could you give the part number for your new diff cover (with cooling fins) please? Do you know if it's a stright swap for cover number 33117518404?
The 328i has the 188L diff with the part number you listed. The finned diff cover (33117516280) is from a 530i with the 188K diff and they are a direct swap. Although keep in mind that some fins may have to be shaved depending on your exhaust setup for clearance.

The car made 298whp/250wtq on the dyno. That's 100whp over the baseline dyno, so I can't complain too much, but I was definitely hoping the power figure would start with a 3. The car runs out of something, maybe fuel, near the top of the RPM range, so maybe that can be fixed. Looking at you, N54 intake manifold. If not, methanol and lower charge temps will! This kit really should have been intercooled, the supercharger gets so hot and raises the charge temps after only a couple of pulls.



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      07-17-2020, 06:16 PM   #49
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Wow pretty impressive numbers
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      07-18-2020, 02:44 AM   #50
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Quote:
Originally Posted by Minutes2Midnight View Post
The 328i has the 188L diff with the part number you listed. The finned diff cover (33117516280) is from a 530i with the 188K diff and they are a direct swap. Although keep in mind that some fins may have to be shaved depending on your exhaust setup for clearance.
Thanks. Sorry two other questions:

1) Am I right in thinking there is no gasket available? The 3-series has no gasket listed whereas the 5-series does. Did you use the E60 gasket and/or the Loctite sealer listed?

2) I see from RealOEM that the new diff cover has eight bolts whereas the original had seven. Did this cause any issues e.g. oil leaks?
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Last edited by Phil325i; 07-21-2020 at 03:02 AM..
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      09-22-2020, 10:19 AM   #51
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Quote:
Originally Posted by Phil325i View Post
Thanks. Sorry two other questions:

1) Am I right in thinking there is no gasket available? The 3-series has no gasket listed whereas the 5-series does. Did you use the E60 gasket and/or the Loctite sealer listed?

2) I see from RealOEM that the new diff cover has eight bolts whereas the original had seven. Did this cause any issues e.g. oil leaks?
I haven't gotten around to the diff install yet myself, I'm planning on installing an LSD before I get it in the car, but I've seen others use it without issue. Id imagine there would be a gasket. From what I can tell, the bolt locations look the same. I definitely recommend checking out Biginboca's information on this thread.
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      09-22-2020, 10:46 AM   #52
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Been a while since I updated the thread. My latest interest has involved replacing the LCI side mirrors. I'll be attempting to merge a set of E36 M3 mirrors with the base of an E92 LCI mirror to make a set of mirrors similar to what's found on the E92 M3 GT4 cars.





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      09-23-2020, 08:52 PM   #53
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Thatís really interesting what you are doing with the mirrors. Iíll be watching to see how that turns out
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      10-11-2020, 04:55 PM   #54
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Looks like some of the crazy people here think similarly. I have an E36 M3 mirror project in the queue, too. You might find this handy:

E36 M3 mirrors retrofit

Quote:
Originally Posted by Minutes2Midnight View Post
Been a while since I updated the thread. My latest interest has involved replacing the LCI side mirrors. I'll be attempting to merge a set of E36 M3 mirrors with the base of an E92 LCI mirror to make a set of mirrors similar to what's found on the E92 M3 GT4 cars.





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      10-28-2020, 08:58 PM   #55
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Quote:
Originally Posted by Minutes2Midnight View Post
Been a while since I updated the thread. My latest interest has involved replacing the LCI side mirrors. I'll be attempting to merge a set of E36 M3 mirrors with the base of an E92 LCI mirror to make a set of mirrors similar to what's found on the E92 M3 GT4 cars.
Really curious how this turns out!
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      11-09-2020, 11:33 AM   #56
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I finally got my M3 mirrors in and I've started mocking up a few mounting plate ideas.

But more importantly, the meth injection is done and I finally got around to installing the P3 vent gauge!



Pay no attention to the nozzle adapter being upside down. I fixed it.





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      11-30-2020, 05:40 PM   #57
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Minutes2Midnight What kit from TC did you go with? Single or double adjustable? (Or did you do the single adj. kit with double rear?) Spring rates? Looks stellar in that track pic!
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      07-19-2022, 01:40 AM   #58
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Long time, no see. I guess almost 2 years without an update is long enough. I'll be putting a similar update in the MILVS/Supercharger thread but I can't just abandon this thread (well, not for more than 2 years at least).

Firstly, to answer your question, Noir...I have the single adjustable TC Kline coilovers. I'd spend the extra little bit and get the DA if I were to do it again in a heartbeat.

The numbers, Mason...

The latest group of modifications yielded 459whp/328wtq.



Now where were we?

Now down to business! When I left you last, I had just completed the meth injection install. As you saw we put the nozzle straight into the charge pipe right before the throttle body. It worked very well, and kept IATs in the 120-130 degree range. IAT management is a big deal when it comes to the ESS supercharger kit.

If you're new to the ESS supercharger kit for the N52, basically ESS produced a basic non-intercooled kit that makes about 6psi on the smallest pulley they sell the kits with, which is 110mm. ESS didn't really care to develop this very much and you'll even see them say that you can't under any circumstance, run the ESS supercharger with headers installed which just isn't true.

So ESS gives us a means to an end. They provide us with an off the shelf kit that makes 300whp. And that's where most people would stop and say that this isn't a path worth going down. But that's where you would be wrong.

Where are we now?

The most recent endeavor that was undertaken relates to charge cooling! How fitting given where we left off, no? The goal was to have StageFP fabricate an intercooler for the ESS kit, but the tight packaging of the kit limits your options when it comes to air to air intercooler kits. Thankfully, Bob had a secret project up his sleeve. And if you haven't seen it yet, this is it.







They've built a custom air to water intercooler built into an intake manifold. Similar to the air to water aftercooler kits from earlier S54 supercharger kits and most notably used on the new B58 platform. When cruising on a 90+ degree day, the IATs stabilize at just 10-12 degrees above ambient! This is an absolutely incredible reduction in IATs over methanol injection and this manifold provided a MASSIVE bump in mid-range power and torque as well which I did not expect. Who needs a 3 stage manifold, anyway? All those things are good for is catching on fire in a steak 'n shake parking lot.

Supporting mods to make the most out of the 3.4 inch pulley include MILVS, Porsche 997 GT2 injectors (650cc/62lbs) as well as an OEM Mopar Hellcat fuel pump. In case you were curious, the OEM fuel pump was good for about 425whp on 93 octane. Along with the fuel pump, StageFP added a heat sink and a cooling fan to the EKP module as a precautionary measure, however the EKP module has not been an issue to date and I have driven the car for extended periods of time and well over a thousand miles since it was installed.

Where do we go from here, power-wise?

Remarkably, the stock clutch has only just started to slip on the dyno when trying to push the limit of the current set-up closer to 500whp. The plan going forward will be to upgrade the stock clutch to one from a 335is/550i since I don't want anything incredibly aggressive and would like to retain OEM drivability. Once the clutch is replaced, I suspect a 2.7 inch pulley will place the car well into 500whp territory.

But how far do we go chasing power numbers? It's already a very capable car on track even in my hands. I'm glad to have had the pleasure and the opportunity to work with Bob and Phil at Stage Fabrication and Performance for the past few years, further developing the N52. As per Bob, this is now one of, if not the most developed N52s out there, rivaling BPC project Alice.

So that's the engine stuff, what else did you do? It's been two years!

I got new wheels! I have always dreamt of having a set of TE37s and it is now a dream come true. The TE37SL was discontinued at the beginning of 2022 and it was replaced by...the TE37 Saga SL. What's the difference? Some subtle changes, mostly to the wheel's mounting surface and the machining of the backside of the spokes. The labeling for "Made in Japan" is now engraved into the lip which looks pretty cool.

I got them in 18x9et23 fitment so that I could fit as wide of a tire as possible. They're 18 pounds each and I currently have a set of 245/40 Advan AO52s on them. Way too tall of a tire for as low as my car is, I'll replace them with either 255/35 or 265/35 when the time comes, but I do love how much sidewall these have!





..and that's really about it. I installed a UUC 30mm front sway bar and adjustable end links last weekend.




What's next, M2M?

With the purchase of a new daily, I plan to start competing in time attack events in the 328i and making it more at home on the racetrack. In the coming weeks, I'll be FINALLY installing my M3 master cylinder and a much needed brake fluid flush with Castrol SRF to get ready for Mpact East coming up in a few weeks!

Now that I'm 100% satisfied with the power output, I'm going to do some more reading through the 328csl thread and get caught up on how I can improve the chassis and handling and put this thing on a diet!

Build to-do list:
  • 3 year overdue LSD install with diff oil cooler
  • Chassis mounted front splitter
  • Trunk storage compartment delete/functional diffuser and undertray
  • Half cage and rear seat delete
  • Sunroof delete/slicktop headliner so I don't break my neck on the sunroof opening
  • Finally get around to doing those E36/GT4 mirrors
  • Recaros in saddle brown
  • Either buy lots of carbon fiber stuff or just lose 20 pounds
  • Stop making excuses for not taking it to the track

Last edited by Minutes2Midnight; 07-19-2022 at 03:44 AM..
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      07-20-2022, 10:55 AM   #59
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So glad to see an update. Now that I'm getting a new engine I've been seriously considering a SC. This will be without a doubt my biggest inspiration behind that if/when I get a chance to do so.

Both your numbers and progress are impressive as hell!

Also nice BO1 reference
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      07-20-2022, 04:58 PM   #60
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Amazing build! This setup is mental! I love your car! Im surprised you are able to fit such a large tire on 18x9! I was told largest I could run on my 18x9 was 235/40 otherwise it would rub on coilovers, although im at et.29.

Can't wait to see what the future holds!
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      07-20-2022, 07:27 PM   #61
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Wow, can't believe I haven't seen this thread til now. Super sick car and impressive numbers!

I was also impressed you were able to fit those wheels at those offsets. They look amazing! JDM wheels are the way to go on BMWs.
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      07-31-2022, 07:43 AM   #62
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