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      09-08-2016, 09:09 AM   #23
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Thanks JW.

The injectors came in a sealed plastic bag from ESS, and I looked again but there is no identifying information on the inhouse label other than that they are injectors for the Gen 2 S/C.
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      09-08-2016, 09:10 AM   #24
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Quote:
Originally Posted by Sdracing View Post
First, I have to state that the customer service at ESS is exceptional. I had a couple of technical issues, most likely because I mixed up two MAF wires, and I was assisted in getting those resolved. On Tuesday and then tonight they emailed me after hours and made a phone call to give me some additional options. I definitely did not feel hopeless or that ultimately a solution would not be found.

I tried the Alpha N tune but ended up going with the MAF tune, which is the newer one, and reconnected all four MAF wires.

The computer takes a little time to get use to the new tune so I didn't beat on it on its madden voyage. I can say its a night and day difference and I am very pleased. The car is a lot of fun to drive, and despite some reviews, I have to say I definitely felt the power at the 3-4k RPM range.

I'll try to do some 0-60 pulls when everything settles in. I should be tracking the car as soon as I update the suspension and brakes, and can give my feedback there as well.
Great news, congrats and keep us posted!
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      09-08-2016, 11:41 AM   #25
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Originally Posted by Sdracing View Post
Thanks JW.

The injectors came in a sealed plastic bag from ESS, and I looked again but there is no identifying information on the inhouse label other than that they are injectors for the Gen 2 S/C.
Awesome Sdracing! Glad that they sorted everything out. Please keep us updated! Is your car by chance an N51?
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      09-08-2016, 02:32 PM   #26
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Quote:
Originally Posted by Sdracing View Post
Thanks JW.

The injectors came in a sealed plastic bag from ESS, and I looked again but there is no identifying information on the inhouse label other than that they are injectors for the Gen 2 S/C.
No probs, thanks for letting me know. Looking forward to seeing and hearing more updates as you get to drive the car more
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      09-09-2016, 12:46 AM   #27
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My car is in fact a N51.

I pushed on her a little harder today - 95 degrees with a/c going - it felt strong. And absolutely a lot more fun.

I'm going to go with a P3 with boost to see what it's reading at the throttle body.
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      09-09-2016, 12:55 AM   #28
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Quote:
Originally Posted by Sdracing View Post
My car is in fact a N51.

I pushed on her a little harder today - 95 degrees with a/c going - it felt strong. And absolutely a lot more fun.

I'm going to go with a P3 with boost to see what it's reading at the throttle body.
To do that do you need to tap into the throttle body and run a hose to the P3 gauge? I assume the MAP sensor on the manifold does not read boost?
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      09-09-2016, 10:38 AM   #29
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To do that do you need to tap into the throttle body and run a hose to the P3 gauge? I assume the MAP sensor on the manifold does not read boost?
Awesome SD! I have an N51 as well. There was a huge ESS supercharger thread in E90post where AJ had to tune the N51 to use the MAF sensor because it is alot more finicky then the N52. The P3 gauge looks like you can universally tap anywhere to get battery voltage, boost, and ambient temperatures. I looked on P3's website and they had a section for our car!

http://www.p3cars.com/shop/bmw/bmw-3...p3-vent-gauge/
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      09-09-2016, 03:28 PM   #30
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Very cool. Would you show some more pictures of the parts and install if you have them?
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      09-11-2016, 10:59 AM   #31
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Very cool. Would you show some more pictures of the parts and install if you have them?
x2
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      09-11-2016, 02:26 PM   #32
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How much wheel HP do you expect from this upgrade, i am very interested.

My 130i has 265hp and the maximun we can get is arround 275hp with a chip.

So turbocharger is the only option to really increase the power.

How mutch is the fuel economy?.
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      09-12-2016, 02:14 PM   #33
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Quote:
Originally Posted by jonwilli View Post
To do that do you need to tap into the throttle body and run a hose to the P3 gauge? I assume the MAP sensor on the manifold does not read boost?
Correct. Installing a Boost gauge should be relatively simply. There is a vacuum line on the very top of the throttle body. I believe you can tap into it there for an accurate boost reading. I think you can tap into that same line closer to the fire wall and by the interior air filter. I'll post pictures of when I do it. Right now it looks like a P3 Obd and boost gauge is the way to go. I confirmed with P3 that if you buy the OBD version, you can also get the boost sensor and that plugs into the gauge.
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      09-12-2016, 03:23 PM   #34
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Quote:
Originally Posted by Sdracing View Post
Correct. Installing a Boost gauge should be relatively simply. There is a vacuum line on the very top of the throttle body. I believe you can tap into it there for an accurate boost reading. I think you can tap into that same line closer to the fire wall and by the interior air filter. I'll post pictures of when I do it. Right now it looks like a P3 Obd and boost gauge is the way to go. I confirmed with P3 that if you buy the OBD version, you can also get the boost sensor and that plugs into the gauge.
Be interested to see that.
Can't think where the vacuum line is on the top of the throttle body, never noticed it. Do you know what it is used for on the stock car?
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      09-16-2016, 01:10 PM   #35
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Quote:
Originally Posted by Sdracing View Post
Correct. Installing a Boost gauge should be relatively simply. There is a vacuum line on the very top of the throttle body. I believe you can tap into it there for an accurate boost reading. I think you can tap into that same line closer to the fire wall and by the interior air filter. I'll post pictures of when I do it. Right now it looks like a P3 Obd and boost gauge is the way to go. I confirmed with P3 that if you buy the OBD version, you can also get the boost sensor and that plugs into the gauge.
Hey SDracing. Any update on the supercharger? How is the reliability? Performance? Thanks!
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      09-16-2016, 02:39 PM   #36
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Sorry, I've been busy with work...... The CPU seems to be normalizing - although its having a hard time figuring out idle. I haven't had the opportunity to drive the car a lot lately and am still trying to get 200 miles on it.

Reliability is good. The power seems inconsistent at this point. Some times when you gun it, its very fast. Other times its sort of ho-hum. Also, the clutch delay seems much more pronounced.


Edit: The stalling issue was never sorted out so I had to take off the kit and return it. I paid for the install and de-install and then got charged a ridiculous re-stocking fee for a kit that never worked.

Last edited by Sdracing; 11-29-2017 at 04:17 PM..
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      09-16-2016, 08:38 PM   #37
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Originally Posted by Sdracing View Post
Sorry, I've been busy with work...... The CPU seems to be normalizing - although its having a hard time figuring out idle. I haven't had the opportunity to drive the car a lot lately and am still trying to get 200 miles on it.

Reliability is good. The power seems inconsistent at this point. Some times when you gun it, its very fast. Other times its sort of ho-hum. Also, the clutch delay seems much more pronounced.
Hmm I see. I wonder if the fluctuations are because its leaning out at idle. 200 miles was the break in period ESS recommended?
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      09-17-2016, 10:50 AM   #38
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Quote:
Originally Posted by Sdracing View Post
Sorry, I've been busy with work...... The CPU seems to be normalizing - although its having a hard time figuring out idle. I haven't had the opportunity to drive the car a lot lately and am still trying to get 200 miles on it.

Reliability is good. The power seems inconsistent at this point. Some times when you gun it, its very fast. Other times its sort of ho-hum. Also, the clutch delay seems much more pronounced.
Do ESS say this is normal? Do they say it will improve over 200miles? I didn't think it would take that much time for the ECU to adapt?
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      09-17-2016, 02:13 PM   #39
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Do ESS say this is normal? Do they say it will improve over 200miles? I didn't think it would take that much time for the ECU to adapt?
Yea that is something I found odd as well. I looked at some previous threads with the ESS M3's and it seems like the idle hunting was caused by the coils/spark plugs. SD may want to take a look/replace.
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      09-17-2016, 02:17 PM   #40
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Originally Posted by JayTriggy14 View Post
Yea that is something I found odd as well. I looked at some previous threads with the ESS M3's and it seems like the idle hunting was caused by the coils/spark plugs. SD may want to take a look/replace.
But similar issues have been seen in the past on the ESS N52 kit when it was first released....is it still the tune not perfected or something else with the base car...

Last edited by jonwilli; 09-17-2016 at 02:25 PM..
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      09-17-2016, 02:24 PM   #41
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But similar issues have been seen in the past on the ESS N52 kit when it was first released....is it still the tune not perfected or something else...
Jonwilli take a look at the N/A section of E90post under the ESS supercharger Update by Tom Droze. He has a similar issue and it seems to be resolved! ESS replaced the MAF and custom made an intake pipe and baffle for N51 cars. Maybe this might help resolve the issue? Here is the link.

http://www.e90post.com/forums/showthread.php?t=1300719
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      09-17-2016, 02:29 PM   #42
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Originally Posted by JayTriggy14 View Post
Jonwilli take a look at the N/A section of E90post under the ESS supercharger Update by Tom Droze. He has a similar issue and it seems to be resolved! ESS replaced the MAF and custom made an intake pipe and baffle for N51 cars. Maybe this might help resolve the issue? Here is the link.

http://www.e90post.com/forums/showthread.php?t=1300719
Cool cheers for the link, haven't got an N51 but always interested to read threads and understand more. We don't have the N51 in Europe, what are the main differences to he N52b3.0? I have read they are more problematic to the SC kit. Have you any idea why that is? I would imagine their architecture is very very similar.
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      09-17-2016, 02:39 PM   #43
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Cool cheers for the link, haven't got an N51 but always interested to read threads and understand more. We don't have the N51 in Europe, what are the main differences to he N52b3.0? I have read they are more problematic to the SC kit. Have you any idea why that is? I would imagine their architecture is very very similar.
The N51 is a special variant in more emission regulated states such as California. It comes with a pair of secondary cats, the charcoal filter, lower compression, and the 3 stage manifold from the 330i. Basically its a de-tuned 330i.

The N52 does not have secondary cats, no charcoal filter, and a single stage manifold. Both make the same horsepower and torque figures.

The N51's are more problematic because it requires the MAF to run SC kit. The N52 you can run the Alpha N tune without using the MAF.
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      09-17-2016, 03:11 PM   #44
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Honestly, in reviewing this review (I quoted below),it sounds like its dead on.



"ESS Super Charger Update... I am done! Continuous check engine lights, Idle hunting and stalling, hesitation and stalling as I try to accelerate from a stop. I am taking my car back to the shop on Monday to have my new fuel pump replaced under warranty because of a bad sending unit and I am having the supercharger removed. I will be have approximately $1,400 in labor for the supercharger install and removal, which I will attempt to recoup from ESS Tuning. And yes, I am F'n pissed off, as the hesitation and stalling has almost resulted in two accidents."

Last edited by Sdracing; 11-29-2017 at 04:18 PM..
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