[dancing__narwhal]

I completed the BPC tune over the weekend and want to share my experience. I have a 328i sedan with manual transmission, K&N air filter, and n52 engine.

Here are my first impressions:
- engine revs more freely and generally feels peppier
- car feels much better when starting in first gear at low revs (engine used to hesitate and feel sluggish when engaging the clutch from a full stop)
- definitely makes more power/torque through mid-range
- overall feels very smooth and gives the car a little extra spring in its step

Obviously I'm not talking about giant gains here, but it's that extra 5% that makes a difference. I also just bought a 3-stage intake manifold, so I will report back once I have that installed and re-tuned.

Shout out to Bob and the guys at BPC for an excellent tune and great customer service.

I also posted this quick DIY for loading the tune software on a Mac since I don't have access to a machine with Windows on it:
http://www.e90post.com/forums/showthread.php?t=1343680

EDIT: I had a chance today for some WOT runs and man I love the way this engine pulls all the way through 7000rpm. The tune really does add power all the way through the red-line.

EDIT 2: Installed my 3-stage intake manifold the other day and got an updated tune from BPC. I'm loving this engine more and more now. The toque and power from 3000rpm onwards is superb. I can't get enough of these pulls to 7000rpm. Really impressed with the manifold and BPC tune once again.

[cpie168]

Thanks for sharing! Do you mind sharing how much the whole thing costs (even a ballpark figure)?

[n55jb4]

Originally Posted by cpie168

Thanks for sharing! Do you mind sharing how much the whole thing costs (even a ballpark figure)?

It's $675 for a tune

OP thanks for sharing the info, it confirmed my decision to go with another tune from BMW, it supposed to make 300hp/300tq in stock setup and could be upped to 400hp with jb4/mhd for same money. The way I see it is why settle on 5% increase if you can get 100% increase - from 200hp to 400hp right?

Please do share your experience with 3SI manifold

[tlow98]

Nice, and appreciate the Mac DIY.

Looking forward to you 3IM impressions!

[dancing__narwhal]

Originally Posted by n55jb4

it confirmed my decision to go with another tune from BMW, it supposed to make 300hp/300tq in stock setup and could be upped to 400hp with jb4/mhd for same money. The way I see it is why settle on 5% increase if you can get 100% increase - from 200hp to 400hp right?

I'm assuming by "stock setup" you mean 335i stock setup which is turbo charged. There is no way to get 400 hp on a 328i without adding a turbo.

If you do have a 335, then the 5% I'm talking about is completely irrelevant for you. The BPC tune for 335i engines will get you pretty big gains with stock setup. See here:
https://bimmer-performance-center.my...nt=26440220225

[Mike.]

Originally Posted by n55jb4

It's $675 for a tune

OP thanks for sharing the info, it confirmed my decision to go with another tune from BMW, it supposed to make 300hp/300tq in stock setup and could be upped to 400hp with jb4/mhd for same money. The way I see it is why settle on 5% increase if you can get 100% increase - from 200hp to 400hp right?

Please do share your experience with 3SI manifold

??????? what? This is the NA forum--not the N54/5 forum

[justpete]

Originally Posted by dgaultiere

I'm assuming by "stock setup" you mean 335i stock setup which is turbo charged. There is no way to get 400 hp on a 328i without adding a turbo.

If you do have a 335, then the 5% I'm talking about is completely irrelevant for you. The BPC tune for 335i engines will get you pretty big gains with stock setup. See here:
https://bimmer-performance-center.my...nt=26440220225

Just to be clear 400hp on an N52 is possible and we've seen 385hp from race engines. So technically it is possible. Cost effective? Hell no. Streetable? Not a chance. But possible? Sure. It's not rocket science.

[Zajac1]

Originally Posted by n55jb4

It's $675 for a tune

OP thanks for sharing the info, it confirmed my decision to go with another tune from BMW, it supposed to make 300hp/300tq in stock setup and could be upped to 400hp with jb4/mhd for same money. The way I see it is why settle on 5% increase if you can get 100% increase - from 200hp to 400hp right?

Please do share your experience with 3SI manifold

What's wrong with you ?? Guy is writing about his experience from N52 platform not N54. Nobody cares about 335 gains from tune here.

[AWSB328iM]

Originally Posted by n55jb4

It's $675 for a tune

OP thanks for sharing the info, it confirmed my decision to go with another tune from BMW, it supposed to make 300hp/300tq in stock setup and could be upped to 400hp with jb4/mhd for same money. The way I see it is why settle on 5% increase if you can get 100% increase - from 200hp to 400hp right?

Please do share your experience with 3SI manifold

Why come in the NA subforum and bash our n52 motors?

[Mike.]

Originally Posted by AWSB328iM

Why come in the NA subforum and bash our n52 motors?

The funny part is he has a 328

[n55jb4]

Guys I'm not bashing 328s here. Look up my previous posts - I was actually going to install BPC stage 1 tune myself, I shared links about their web-store with pricing and options, but I was talked out of it by some forum members. After considering different options I decided to go from 328 to 335, especially nowadays when economically it's very feasible. So I was in same situation as OP and as many 328 owners. I'm just sharing my experience as 328 owner (still am as of now) and that's all. This is a forum after all and you dont' really expect only opinions that suit you right? However, if this topic is so sensitive I will just shut up and let you guys enjoy only your opinions and opinions that you want to hear even if that will be only one side of story

[justpete]

Originally Posted by n55jb4

Guys I'm not bashing 328s here. Look up my previous posts - I was actually going to install BPC stage 1 tune myself, I shared links about their web-store with pricing and options, but I was talked out of it by some forum members. After considering different options I decided to go from 328 to 335, especially nowadays when economically it's very feasible. So I was in same situation as OP and as many 328 owners. I'm just sharing my experience as 328 owner (still am as of now) and that's all. This is a forum after all and you dont' really expect only opinions that suit you right? However, if this topic is so sensitive I will just shut up and let you guys enjoy only your opinions and opinions that you want to hear even if that will be only one side of story

Seemed reasonable to me, made the same argument myself from time to time.

[Taskmaster]

Originally Posted by n55jb4

Guys I'm not bashing 328s here. Look up my previous posts - I was actually going to install BPC stage 1 tune myself, I shared links about their web-store with pricing and options, but I was talked out of it by some forum members. After considering different options I decided to go from 328 to 335, especially nowadays when economically it's very feasible. So I was in same situation as OP and as many 328 owners. I'm just sharing my experience as 328 owner (still am as of now) and that's all. This is a forum after all and you dont' really expect only opinions that suit you right? However, if this topic is so sensitive I will just shut up and let you guys enjoy only your opinions and opinions that you want to hear even if that will be only one side of story

Ok fundguy, no one cares. We are all aware that we can buy 335is.

[Taskmaster]

Originally Posted by justpete

Seemed reasonable to me, made the same argument myself from time to time.

The dude hasn't been here even a month, is named N55JB4 and is in almost every thread talking about hp to dollar ratios. Sounds like another member we know on here....

Even if it's not him, no one cares - Why would I buy a 335i to go fact when I could have a used Mustang, or a Camaro, or any number of other cars?

[dancing__narwhal]

Originally Posted by justpete

Just to be clear 400hp on an N52 is possible and we've seen 385hp from race engines. So technically it is possible. Cost effective? Hell no. Streetable? Not a chance. But possible? Sure. It's not rocket science.

Totally realize that but as you say it's way beyond realistic options for most people who's car is their daily driver. N55 guy made it sound like he was going to get 400hp on a bone stock car with tune. NA? Yeah right.

[justpete]

Originally Posted by TheAxiom

The dude hasn't been here even a month, is named N55JB4 and is in almost every thread talking about hp to dollar ratios. Sounds like another member we know on here....

Even if it's not him, no one cares - Why would I buy a 335i to go fact when I could have a used Mustang, or a Camaro, or any number of other cars?

Oh I know, not to worry. Given how cheap these cars are now I can see how it could be a reasonable choice to just buy a used 335i and tune it rather than hack up a 328i. No matter how well done it's still a risk but then so is a used 335i. No easy answer, no right answer. I bought a 328i for the chassis, nothing else was ever intended to stay so I don't really have a dog in the hunt, or whatever.

[justpete]

Originally Posted by dgaultiere

Totally realize that but as you say it's way beyond realistic options for most people who's car is their daily driver. N55 guy made it sound like he was going to get 400hp on a bone stock car with tune. NA? Yeah right.

Didn't read it that way but whatever. The whole argument is pointless really. Horsepower sells cars, torque wins races. If all this is about is 'teenage' hoonage then via con tacos, enchalidas y enchilados. Me? Doesn't compute, don't care.

[n55jb4]

Originally Posted by dgaultiere

Totally realize that but as you say it's way beyond realistic options for most people who's car is their daily driver. N55 guy made it sound like he was going to get 400hp on a bone stock car with tune. NA? Yeah right.

Sorry man for confusion, didn't mean to. I was sarcastic in that my post. I meant "a different tune from BMW" - meaning n54 lol (meaning just buying a car 335) and that it will give me 400hp (after jb4) compared to my current 200hp 328.

Ok, ok, I was maybe too unsensitive SOB, but look into the root of issue and you will understand my point of view

[n55jb4]

Originally Posted by TheAxiom

The dude hasn't been here even a month, is named N55JB4 and is in almost every thread talking about hp to dollar ratios. Sounds like another member we know on here....

Even if it's not him, no one cares - Why would I buy a 335i to go fact when I could have a used Mustang, or a Camaro, or any number of other cars?

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

P.S. about mustang/camaro etc. - dude, I love E9x platform for it's chassis and power (well not so much with 328, but still), so I am not even considering anything else right now except 335 simply because 335 is IMHO king on the streets right now. Besides have you driven a mustang? I have as a rental from airport. Uhhh...how to say to not offend Mustang fans. Well let's just put it this way: I would prefer a solid German family sport sedan that can smoke mustangs/camaros and still be enjoyable and luxury to drive as a DD. Again man, that's just my opinion

[3002 tii]

Originally Posted by n55jb4

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

P.S. about mustang/camaro etc. - dude, I love E9x platform for it's chassis and power (well not so much with 328, but still), so I am not even considering anything else right now except 335 simply because 335 is IMHO king on the streets right now. Besides have you driven a mustang? I have as a rental from airport. Uhhh...how to say to not offend Mustang fans. Well let's just put it this way: I would prefer a solid German family sport sedan that can smoke mustangs/camaros and still be enjoyable and luxury to drive as a DD. Again man, that's juts my opinion

King on the streetz!!!!?!

[n55jb4]

Originally Posted by 3002 tii

King on the streetz!!!!?!

It's a new supra man, when modded of course Don't say you didn't know that?

[hassmaschine]

Good grief. 335i trolls strike again...