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      11-07-2012, 04:27 PM   #1
can128
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128i Turbo?

Just wondering if there are any records of anyone turbocharging/supercharging a 128i?

Just curious.
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      11-07-2012, 04:48 PM   #2
Dackelone
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There is some guy "down under" who supercharges the N52 in the 128i and 328i. There was a thread on it last year or maybe two years ago. ?
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      11-07-2012, 04:49 PM   #3
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yeah but its expensive and cheaper to sell and get a 135i bascally. our blocks are the same as the n54's but made of weaker metal.
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      11-07-2012, 07:01 PM   #4
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Quote:
Originally Posted by Dackelone View Post
There is some guy "down under" who supercharges the N52 in the 128i and 328i. There was a thread on it last year or maybe two years ago. ?
what? where? i haven't managed to find a single word of anyone over here doing it :/

only MMW and arma and.. yeah that's it.

Quote:
Originally Posted by 631twentyeighteye View Post
yeah but its expensive and cheaper to sell and get a 135i bascally. our blocks are the same as the n54's but made of weaker metal.


this comes up a lot, but tehre's nothing about the alumg that can't handle 6psi of boost. it's only 50% more pressure.

mg is also not weak, at all.

Last edited by flinchy; 11-07-2012 at 09:59 PM.
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      11-08-2012, 05:09 AM   #5
Dackelone
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Quote:
Originally Posted by flinchy View Post
what? where? i haven't managed to find a single word of anyone over here doing it :/


125i kit...
http://shop.performance99.com/index....hk=1&Itemid=53

and more kits...
http://shop.performance99.com/index....mid=53&lang=en

http://www.1addicts.com/forums/showthread.php?t=694086

http://www.e90post.com/forums/showthread.php?t=693463

http://www.1addicts.com/forums/showthread.php?t=623842

http://www.e90post.com/forums/showthread.php?t=200674
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      11-08-2012, 05:10 AM   #6
flinchy
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OH.. yeah i knew about those two :/

ARMA Supercharger Kit Stage 2 for BMW 123i/125i /130i (E82/E87) N52


that's arma, that's just some dodgy taiwan (i think) kit that has been reported by numerous members to either not work, or work poorly... for a REALLY high price

and yeahl, the MMW one has been slowly progressing, no updates in over a month to speak of.. nothing solid in about 3.

you said there was a guy 'down under' which means australia lol

MMW is cali, arma is taiwan
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      11-08-2012, 09:26 AM   #7
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Just trade for a 135; there are so many complications that come with supercharging or turbocharging that you'll spend about the same amount of money and end up with an oddball car that won't be worth what you put into it.
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      11-08-2012, 01:06 PM   #8
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this made me lol
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      11-08-2012, 01:31 PM   #9
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Quote:
Originally Posted by roundel335 View Post
Just trade for a 135; there are so many complications that come with supercharging or turbocharging that you'll spend about the same amount of money and end up with an oddball car that won't be worth what you put into it.
Good advice. I definitely don't plan on doing any major modifications like that, I was just wondering if anyone has.
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      11-08-2012, 04:43 PM   #10
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Quote:
Originally Posted by can128 View Post
Good advice. I definitely don't plan on doing any major modifications like that, I was just wondering if anyone has.
Personally I don't see the need to have a turbo/charged 128i or 135i in the GTA. Mostly due to Insurance cost & lack of fast public roads to take advantage of 135i power.
So enjoy the 128i for what it is - one of the last high revving Naturally Aspired BMW inline six cars
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"The 1-series is the last car that BMW engineered before the Germans, as a car-making culture, fell out of love with driving." - R&T 2013 135is
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      11-08-2012, 04:53 PM   #11
blakelocati
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Quote:
Originally Posted by andrey_gta View Post
Personally I don't see the need to have a turbo/charged 128i or 135i in the GTA. Mostly due to Insurance cost & lack of fast public roads to take advantage of 135i power.
So enjoy the 128i for what it is - one of the last high revving Naturally Aspired BMW inline six cars
Not sure if serious or never driven a 135i.
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      11-08-2012, 04:55 PM   #12
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lol, true I never driven 135i. Im sure its great and as proven by Vishnu/Cobb/jb4 tunes - its very capable

I just dont see it as practical for where I live. Plus, I dislike turbo maintenance with my past car.

Thats all.
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128i Sport 6MT converted to Euro 130i spec, tuned by evolve ~220 whp 207 wtq(ft-lb) SAE
In-progress: e36M lip Wishlist: //M front arm, coils, n55 eng mnt, headers, LSD, e60 finn diff


"The 1-series is the last car that BMW engineered before the Germans, as a car-making culture, fell out of love with driving." - R&T 2013 135is
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      11-09-2012, 10:42 AM   #13
can128
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Quote:
Originally Posted by blakelocati View Post
Not sure if serious or never driven a 135i.
Extra power is always nice to have, whether you feel you will use it or not. I always like to have a little more of everything, because it's always better than not having enough. The only problem is, when is enough, enough - the answer is usually never...

With all that said, I'm happy with the N/A 3.0L... There's just something about it that get's me every time. BMW has nailed the N/A in-line 6 and nothing will change that. The market is quickly moving toward the most efficient ways of generating as much power as possible, and forced induction is clearly the way to go.
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      11-09-2012, 10:56 AM   #14
631twentyeighteye
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I truly am gonna miss NA motors, they're so much more fun to drive. I love the high revving our motors like to do. If the motor in mine drops in the distant future, the only other motor I'd consider swapping in is a s52 to make it an even better NA. Torquey motors are fast but just not fun to drive. Half the 135i's on this forum can't even hook up tires since they make 400 ft/lbs at 2k rpms.
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      11-09-2012, 11:52 AM   #15
andrey_gta
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Quote:
Originally Posted by can128 View Post
With all that said, I'm happy with the N/A 3.0L... There's just something about it that get's me every time. BMW has nailed the N/A in-line 6 and nothing will change that.
That is how I feel, especially over 5k rpm. that sound reminds me of e46 m3 that i heard on the street @ redline in 2nd gear


I just don't understand BMW reason behind the following for 128i:
- Not including the DISA from the factory
- Using a different rear knuckle assembly that makes retrofitting 135i brakes difficult( no hand brake)
- Not using the 135i exhaust design (mid pipe & axle back)

These 3 things alone would make 128i more desirable, even if it was detuned like 325i or 125i to make the price difference of 135i valid for the regular consumers. The aftermarket would be the same for exhaust & rear BBK and tunign would make it jump to 330i/ z4 3.0 si levels.

Overall, I sometimes feel that I am fixing BMW's accounting/cost related decisions with the mods that i have made and that is backwards compared to other great cars like the Toyobaru FRS/BRX and Miata. And since my car is aging, the balance between $ spent & car value is shifting...

EDIT: My ideal 128:
Factory: DISA, 135i brakes(even with their cracking pistons), Eurobox intake, and BMP or smth exhaust
Light mods: tune, m3 subframe bushings, Select m3 control arms , select sway bar upgrades

I guess I am almost at "Factory" spec lol
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128i Sport 6MT converted to Euro 130i spec, tuned by evolve ~220 whp 207 wtq(ft-lb) SAE
In-progress: e36M lip Wishlist: //M front arm, coils, n55 eng mnt, headers, LSD, e60 finn diff


"The 1-series is the last car that BMW engineered before the Germans, as a car-making culture, fell out of love with driving." - R&T 2013 135is

Last edited by andrey_gta; 11-09-2012 at 12:02 PM.
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      11-09-2012, 12:08 PM   #16
631twentyeighteye
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eventually i plan on the autowerks tune with DISA manifold to hopeefullyyy bring it to around 260-275 crank hp. i'd be ecstatic with anything close to those numbers. then of course the mods audrey_gta listed. maybe one day when its not my DD i'll be able to do those things.
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      11-09-2012, 12:17 PM   #17
andrey_gta
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Quote:
Originally Posted by 631twentyeighteye View Post
around 260-275 crank hp. i'd be ecstatic with anything close to those numbers.
What would this be in Wheel hp? @ 20% loss seems to be ~220 WHP
I have yet to dyno DISA & no tune. So not sure how much DISA added , but i know the gains are there
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128i Sport 6MT converted to Euro 130i spec, tuned by evolve ~220 whp 207 wtq(ft-lb) SAE
In-progress: e36M lip Wishlist: //M front arm, coils, n55 eng mnt, headers, LSD, e60 finn diff


"The 1-series is the last car that BMW engineered before the Germans, as a car-making culture, fell out of love with driving." - R&T 2013 135is
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      11-09-2012, 12:28 PM   #18
631twentyeighteye
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based off dyno sheets i've seen for stock 128i's, they make about 190-200 at the wheels stock. so i'd hope for 230-240 at the wheels with the DISA and a tune. Though i didnt mention i'd be getting an intake and an exhaust made to go with it.
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      11-09-2012, 02:56 PM   #19
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Quote:
Originally Posted by can128 View Post
Extra power is always nice to have, whether you feel you will use it or not. I always like to have a little more of everything, because it's always better than not having enough. The only problem is, when is enough, enough - the answer is usually never...

With all that said, I'm happy with the N/A 3.0L... There's just something about it that get's me every time. BMW has nailed the N/A in-line 6 and nothing will change that. The market is quickly moving toward the most efficient ways of generating as much power as possible, and forced induction is clearly the way to go.
I understand what you mean. I'm sure the 128i has plenty of power for most. I do open mine up quite often, and I love the power. Like you said, it's never enough power.
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      11-13-2012, 07:19 AM   #20
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Quote:
Originally Posted by andrey_gta
Quote:
Originally Posted by can128
Good advice. I definitely don't plan on doing any major modifications like that, I was just wondering if anyone has.
Personally I don't see the need to have a turbo/charged 128i or 135i in the GTA. Mostly due to Insurance cost & lack of fast public roads to take advantage of 135i power.
So enjoy the 128i for what it is - one of the last high revving Naturally Aspired BMW inline six cars

High revving? Compared to what? The S54 in the E46 M3 was a high revving N/A BMW inline 6. I'm not sure calling the N52 a "high revving N/A I6" is an accurate term compared to an engine like that. Don't get me wrong, I love the N52 but you are way over romanticizing what it is.

And no need because you don't have high speed limits? Put someone in a 128i and then a 135i and ask which was more fun from 0 to 40. I know, I live in a small beach community where the top speed in my general area is 45. My 1M is way more fun than my 128i I used to have. I'm sure I would say the same if I had a 135i.
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      11-13-2012, 01:59 PM   #21
can128
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Quote:
Originally Posted by mrow View Post
High revving? Compared to what? The S54 in the E46 M3 was a high revving N/A BMW inline 6. I'm not sure calling the N52 a "high revving N/A I6" is an accurate term compared to an engine like that. Don't get me wrong, I love the N52 but you are way over romanticizing what it is.

And no need because you don't have high speed limits? Put someone in a 128i and then a 135i and ask which was more fun from 0 to 40. I know, I live in a small beach community where the top speed in my general area is 45. My 1M is way more fun than my 128i I used to have. I'm sure I would say the same if I had a 135i.
The N54/55 is a beast of an engine, hands down and definitely can't take anything away from it.


More power is almost always more fun but I think it's more of a question of just being satisfied.
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      11-14-2012, 08:06 AM   #22
flinchy
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Quote:
Originally Posted by 631twentyeighteye View Post
I truly am gonna miss NA motors, they're so much more fun to drive. I love the high revving our motors like to do. If the motor in mine drops in the distant future, the only other motor I'd consider swapping in is a s52 to make it an even better NA. Torquey motors are fast but just not fun to drive. Half the 135i's on this forum can't even hook up tires since they make 400 ft/lbs at 2k rpms.
haha they only make 400ft-lb after more like 4krpm, boost only starts around 2k.

i'm personally swapping in an N54. cheaper than any other option lol

you know the N52 is actually REALLY torquey for a 3.0 NA right? it's rated at near 320ft-lb stock... mine pulls pretty hard from near idle..

Quote:
Originally Posted by andrey_gta View Post
What would this be in Wheel hp? @ 20% loss seems to be ~220 WHP
I have yet to dyno DISA & no tune. So not sure how much DISA added , but i know the gains are there
pretty much bang on (for a dyno dynamics)

Quote:
Originally Posted by 631twentyeighteye View Post
based off dyno sheets i've seen for stock 128i's, they make about 190-200 at the wheels stock. so i'd hope for 230-240 at the wheels with the DISA and a tune. Though i didnt mention i'd be getting an intake and an exhaust made to go with it.
i got (with my car BADLY needing a service) 204whp on a DD with my 130i.. i'd expect it to be around 220-225whp in healthy tune (again, on the same DD).. 190whp on a DD for a 128i would be pretty spot on in that case (235 crank?)

230-240 is way too high an estimate, at only 270 odd crank... all depends on the dyno though really.
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