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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > NA Engine (non-turbo) / Drivetrain / Exhaust Modifications > Initial Impressions on BPC N52 Tune



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      01-20-2017, 12:21 AM   #23
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Quote:
Originally Posted by n55jb4 View Post
Axiom, relax man, yes I'm maybe weighing every option and comparing dollar to power ratio - but it is simply because when you are on the fence deciding to buy a car or spent a lot of money on upgrades to your current 328 - it's not easy to decide. I don't think this is something that you guys can't understand, I'm sure we've all been in same situation
Look, it's fine with me that you want to get a 335i. I have no personal vendetta against that car or anyone who drives one. It's a great car and I would consider one myself given the right circumstances.

HOWEVER, I know I speak for many others here when I say that I prefer the 328i and (unlike you) do not wish I had one. I just bought my 328 used from the original owner with only 47k miles on it.

With relatively simple mods (3-stage manifold) I have a fun, quick, classy car that drives like a dream. One of the biggest allures of this car for me is the naturally aspirated straight-six. It is so smooth and poised (and refreshingly old-school). Compared to the 2.0 turbo in my GTI, which I just sold, this car is equally powerful but drives 100x better.

If I wanted a BMW with a turbo that I could tune to 350+ hp I would've bought the F30 with the little 4-banger turbo and tuned the crap out of it

Anyway, I understand that you're trying to make a hard decision, just please be respectful of those of us who like our NA engines and don't wish we had a 335.
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      01-20-2017, 12:38 AM   #24
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Originally Posted by hassmaschine View Post
Good grief. 335i trolls strike again...
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      01-20-2017, 12:39 AM   #25
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Originally Posted by dgaultiere View Post
Look, it's fine with me that you want to get a 335i. I have no personal vendetta against that car or anyone who drives one. It's a great car and I would consider one myself given the right circumstances.

HOWEVER, I know I speak for many others here when I say that I prefer the 328i and (unlike you) do not wish I had one. I just bought my 328 used from the original owner with only 47k miles on it.

With relatively simple mods (3-stage manifold) I have a fun, quick, classy car that drives like a dream. One of the biggest allures of this car for me is the naturally aspirated straight-six. It is so smooth and poised (and refreshingly old-school). Compared to the 2.0 turbo in my GTI, which I just sold, this car is equally powerful but drives 100x better.

If I wanted a BMW with a turbo that I could tune to 350+ hp I would've bought the F30 with the little 4-banger turbo and tuned the crap out of it

Anyway, I understand that you're trying to make a hard decision, just please be respectful of those of us who like our NA engines and don't wish we had a 335.
Amen to that
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      01-20-2017, 04:20 AM   #26
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bro stop talking about jb4 etc. because even my grandmother heard about that, so u don't have to repeating this every single thread. I'm seriously tired of these 335 guys.
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      01-20-2017, 07:14 PM   #27
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Thanks for sharing. I happen to have both e90 328i rwd 6mt and e90 m3 6mt and I have no interest in turbos with the e90 platform, some people just don't get it.

My 328 is a daily and I think it's a fabulous car for the money, I call
It the baby m3.

And if you feel superior to the 328 u should have bought the real thing in the first place, the m3
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      01-21-2017, 09:19 AM   #28
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Is the BPC custom dyno tune $500 if I drive to their shop? I could easily plan a trip through Raleigh and spend an extra day.
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      01-21-2017, 01:33 PM   #29
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Is the BPC custom dyno tune $500 if I drive to their shop? I could easily plan a trip through Raleigh and spend an extra day.
I don't know what they charge for a dyno tune but if you are close enough to do I'm sure it's worth it. They have great customer service so I'm sure you could send them an email for a quote.
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      01-21-2017, 01:34 PM   #30
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Originally Posted by GRUESOM3 View Post
My 328 is a daily and I think it's a fabulous car for the money, I call
It the baby m3.
Love this. The baby M3
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      01-21-2017, 04:57 PM   #31
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Quote:
Originally Posted by dgaultiere View Post
I don't know what they charge for a dyno tune but if you are close enough to do I'm sure it's worth it. They have great customer service so I'm sure you could send them an email for a quote.
Yup, let us know
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      02-04-2017, 07:24 PM   #32
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Finally had a chance to do some WOT runs today and it feels awesome. Pulls hard all the way through 7000rpms

Definitely feel more power at WOT than it had before and it keeps pulling much stronger after 6k than on stock tune.

Very satisfied overall, but definitely excited for the 3 stage IM. I have the part already just waiting til I have time to do the install and re-flash. I'll update here when I do.
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      02-05-2017, 11:16 PM   #33
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Originally Posted by dgaultiere View Post
Very satisfied overall, but definitely excited for the 3 stage IM. I have the part already just waiting til I have time to do the install and re-flash. I'll update here when I do.
I noticed that you're in California. Will the car with the BPC tune (after you put the new intake manifold in) pass emission tests?

I'm trying to decide between AA and BPC, but don't want to deal with issues with emission tests.
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      02-06-2017, 01:14 AM   #34
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I noticed that you're in California. Will the car with the BPC tune (after you put the new intake manifold in) pass emission tests?

I'm trying to decide between AA and BPC, but don't want to deal with issues with emission tests.
I can't imagine it wouldn't as the tune and intake manifold don't affect the emissions systems. I have stock headers and exhaust with primary and secondary cats in place.

Headers are another great bolt on for the n52 but it's not really possible to pass emissions in CA with them unless you "know a way around it."

I am planning to do the BMW performance exhaust at some point which should pass emissions fine since both cats will be intact.
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      02-06-2017, 10:17 AM   #35
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Quote:
Originally Posted by kylet101 View Post
Quote:
Originally Posted by dgaultiere View Post
Very satisfied overall, but definitely excited for the 3 stage IM. I have the part already just waiting til I have time to do the install and re-flash. I'll update here when I do.
I noticed that you're in California. Will the car with the BPC tune (after you put the new intake manifold in) pass emission tests?

I'm trying to decide between AA and BPC, but don't want to deal with issues with emission tests.
BPC tune will not help you pass emissions if you're rolling with headers.
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      02-06-2017, 10:28 AM   #36
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it will pass just fine without headers though.
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      02-06-2017, 11:48 AM   #37
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Thanks Gents! Now for me to flip a coin whether to go BPC or AA.... I'm leaning towards BPC
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      02-06-2017, 12:06 PM   #38
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Quote:
Originally Posted by kylet101 View Post
Thanks Gents! Now for me to flip a coin whether to go BPC or AA.... I'm leaning towards BPC
What is your timeframe to get the tune?

BPC is ~$700 (shipping, tune, handheld)
AA is ~$650 (tune, Simon tool, shipping).

AA is currently "revisiting" their tune since their old tune apparently doesn't do anything (I can't speak to that). Shortly, when Hass pitches in, he will be referring to current AA tune and will advise you to go with BPC.

If you are willing to wait, I'm planning on doing dyno of BPC tune. I currently have AA (see my thread Dyno time - ) . Once AA finishes their tune for my mods, I will gladly give it a try too and post it on here as well. So, if you are willing to wait few weeks, you can have objective results. Keep in mind, my car is modded, so YMMV.
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      02-06-2017, 12:48 PM   #39
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Quote:
Originally Posted by W37V View Post
What is your timeframe to get the tune?

BPC is ~$700 (shipping, tune, handheld)
AA is ~$650 (tune, Simon tool, shipping).

AA is currently "revisiting" their tune since their old tune apparently doesn't do anything (I can't speak to that). Shortly, when Hass pitches in, he will be referring to current AA tune and will advise you to go with BPC.

If you are willing to wait, I'm planning on doing dyno of BPC tune. I currently have AA (see my thread Dyno time - ) . Once AA finishes their tune for my mods, I will gladly give it a try too and post it on here as well. So, if you are willing to wait few weeks, you can have objective results. Keep in mind, my car is modded, so YMMV.
BPC must have lowered their cost. AA is now ~$10 more. I was originally thinking AA since I have an AA dealer/workshop nearby that will be doing the 3 stage intake install, and it would be cheaper for them to load the tune than buy the Simon tool.

I'm now thinking to pay a bit more and get the tool myself. That way I will be able to go between stock and tuned DME. (Is this assumption correct?)

I'm happy to wait a few weeks before making a decision. Thanks!
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      02-06-2017, 03:26 PM   #40
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Quote:
Originally Posted by kylet101 View Post
BPC must have lowered their cost. AA is now ~$10 more. I was originally thinking AA since I have an AA dealer/workshop nearby that will be doing the 3 stage intake install, and it would be cheaper for them to load the tune than buy the Simon tool.

I'm now thinking to pay a bit more and get the tool myself. That way I will be able to go between stock and tuned DME. (Is this assumption correct?)

I'm happy to wait a few weeks before making a decision. Thanks!
BPC.
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      02-06-2017, 03:33 PM   #41
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Quote:
Originally Posted by TheAxiom View Post
BPC.
+1

Love the tune. Gotta sort out an O2 code still lol
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      02-07-2017, 01:39 AM   #42
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Quote:
Originally Posted by kylet101 View Post
That way I will be able to go between stock and tuned DME. (Is this assumption correct?)
Why would you want to do this? Especially after installing the 3-stage IM, you'll need the tune to really take advantage of it...

You're correct that you could use the BPC flash tool to re-load your stock tune file, but it's not like an instantaneous process so it would be a pain to do often and I don't know why you would need to.
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      02-07-2017, 09:57 AM   #43
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Quote:
Originally Posted by dgaultiere View Post
Why would you want to do this? Especially after installing the 3-stage IM, you'll need the tune to really take advantage of it...
In case I want to go back to stock when I sell the car... although that's now a while away
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      02-07-2017, 10:20 AM   #44
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Quote:
Originally Posted by kylet101 View Post
In case I want to go back to stock when I sell the car... although that's now a while away
No point in doing that honestly. The tune really doesn't effect much that would cause the new owner not to want it.
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