BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i)
 





 

Post Reply
 
Thread Tools Search this Thread
      06-05-2012, 11:47 AM   #1
AdamRamjit
Private First Class
2
Rep
125
Posts

 
Drives: bmw 1 series
Join Date: Apr 2012
Location: Lakeland, FL

iTrader: (0)

how hard would it be?

is it too pricey to install a turbo on a 128i? or would i be better off trading mine in and getting a 135i?
Appreciate 0
      06-05-2012, 11:52 AM   #2
the1andonly
Lieutenant
16
Rep
535
Posts

 
Drives: black on black 128i manual
Join Date: Jan 2012
Location: midwest

iTrader: (0)

Im going to go with trade being a no-brainer...but we'll see what others weigh in with...
Appreciate 0
      06-05-2012, 11:55 AM   #3
AdamRamjit
Private First Class
2
Rep
125
Posts

 
Drives: bmw 1 series
Join Date: Apr 2012
Location: Lakeland, FL

iTrader: (0)

Quote:
Originally Posted by the1andonly View Post
Im going to go with trade being a no-brainer...but we'll see what others weigh in with...
true, but i feel like one really good turbo would be nice on a 128i. rather than the two that are on the 135i
Appreciate 0
      06-05-2012, 12:23 PM   #4
NYC6
Banned
United_States
29
Rep
2,078
Posts

 
Drives: '10 135i PPKI/06 C6 Z51 Vette
Join Date: Aug 2009
Location: LI/NY

iTrader: (0)

since 2011 all 135's come with a single turbo.

The 128 block is an aluminum/magnesium alloy that isnt cut out for boost. Thats why BMW uses an all aluminum block for the 135. The 128's internals are different also. You would be making a ticking time bomb by boosting the 128.
Appreciate 0
      06-05-2012, 10:29 PM   #5
AdamRamjit
Private First Class
2
Rep
125
Posts

 
Drives: bmw 1 series
Join Date: Apr 2012
Location: Lakeland, FL

iTrader: (0)

Quote:
Originally Posted by NYC6 View Post
since 2011 all 135's come with a single turbo.

The 128 block is an aluminum/magnesium alloy that isnt cut out for boost. Thats why BMW uses an all aluminum block for the 135. The 128's internals are different also. You would be making a ticking time bomb by boosting the 128.
but overall, is it still possible to put a turbo in a 128i with the stock motor?
Appreciate 0
      06-05-2012, 11:29 PM   #6
Greenkirby21
Vrooom :)
Greenkirby21's Avatar
United_States
90
Rep
2,608
Posts

 
Drives: C7 Stringray
Join Date: Jun 2010
Location: Dream Land

iTrader: (1)

Send a message via AIM to Greenkirby21
Quote:
Originally Posted by AdamRamjit View Post
but overall, is it still possible to put a turbo in a 128i with the stock motor?
anything is possible with $$$ and willpower. Is it smart? no. You are better off getting a 135i or if you really want to keep your car get a supercharger unless you want to build the entire turbo setup yourself
__________________
2014 C7 Corvette Stringray - Laguna Blue - NPP Exhaust - Competition Seats
Appreciate 0
      06-06-2012, 11:03 AM   #7
AdamRamjit
Private First Class
2
Rep
125
Posts

 
Drives: bmw 1 series
Join Date: Apr 2012
Location: Lakeland, FL

iTrader: (0)

Quote:
Originally Posted by Greenkirby21 View Post
anything is possible with $$$ and willpower. Is it smart? no. You are better off getting a 135i or if you really want to keep your car get a supercharger unless you want to build the entire turbo setup yourself
i didnt think about a supercharger lol
Appreciate 0
      06-06-2012, 11:24 AM   #8
CentralPA E82
Rookie
United_States
3
Rep
264
Posts

 
Drives: 2009 128i
Join Date: Apr 2010
Location: New Cumberland, PA

iTrader: (1)

Get a 135 if you crave a turbo.

I love my 128 but the low end in the 135 is addictive as hell (had a loaner last week). As others have said here the N52 is not suited for FI (hence the changes to the N54/55 block and what not).
Appreciate 0
      06-07-2012, 08:33 AM   #9
roundel335
Brigadier General
roundel335's Avatar
United_States
41
Rep
3,616
Posts

 
Drives: 13 335i Sedan, 11 128i Cabrio
Join Date: Apr 2010
Location: Leland, NC

iTrader: (2)

Garage List
Trade up. By the time you make all the changes and make it reliable, you'll have spent way more than the cost of the trade, have no warranty, and the car's value will drop significantly.
__________________

2013 F30 335i M-Sport 8AT/MPE/MPPK, 2011 128i M-sport Cabrio 6MT/PE
Appreciate 0
      06-07-2012, 08:42 AM   #10
BrokenVert
Resident Kerbalnaut
BrokenVert's Avatar
United_States
148
Rep
10,073
Posts

 
Drives: Topless 135/Electric Boogaloo
Join Date: Apr 2009
Location: Fahrvergnügen/NY

iTrader: (0)

Quote:
Originally Posted by NYC6 View Post
since 2011 all 135's come with a single turbo.

The 128 block is an aluminum/magnesium alloy that isnt cut out for boost. Thats why BMW uses an all aluminum block for the 135. The 128's internals are different also. You would be making a ticking time bomb by boosting the 128.
This is the point I came to make. When it came time to make the N54 the N52 with simply a turbo added to it was evaluated. However BMW determined that the Magnesium crank case could not handle the increased temperature and crank pressure brought on with turbos.

In other words an FI N52 is a terrible idea.
__________________
Appreciate 0
      06-07-2012, 10:19 AM   #11
JimD
Colonel
JimD's Avatar
43
Rep
2,844
Posts

 
Drives: 128i convertible
Join Date: Apr 2009
Location: Lexington, SC

iTrader: (0)

My message is similar to BrokenVert but I will say it a little different way. The N54 engine weighs 430 lbs versus the N52 at 355 pounds. As we all know, BMW REALLY cares about weight distribution so they hang a weight off the back bumper of the 135i to compensate. Now if BMW could just put a turbo on the N52, why would they go to all this trouble?

The N54 is an aluminum block with a cast iron cylinder wall liner. That is "old school" versus the aluminum cylinder wall of the N52. I was worried about the N52 and looked to see who else uses aluminum as the cylinder wall and how long they've done it. Porsche is one and it's been done for over 10 years. The N52 came out in 2005 (two years before the N54). That convinced me to give it a try. I think as long as lubrication is good, my motor should hold up fine. Turbocharging puts much more stress on the motor, however, and I would be worried about both the aluminum cylinder walls (getting scraped by the aluminum pistons and/or steel rings) and the magnesium separating from the aluminum in the block. I don't know if these are BMW engineers concerns or not. But I'm sure they thought about it and decided not to. I think that is solid evidence turbo-charging the N52 isn't wise. Super charging, by the way, is different and apparently people are getting nearly the power of a stock N54 by supercharging. If I decided, for some reason, I REALLY needed 300hp from my 128i, I would look into supercharging, not turbocharging.

Jim
__________________
128i Convertible, MT, Alpine White, Black Top, Taupe Leatherette, Walnut, Sport
Ordered 5/22/09, Completed 6/4/09, At Port 6/9/09, On the Georgia Highway 6/13/09, Ship Arrived Charleston 6/24/09 at 10pm, PCD 7/21/09
Appreciate 0
      06-07-2012, 10:27 AM   #12
BrokenVert
Resident Kerbalnaut
BrokenVert's Avatar
United_States
148
Rep
10,073
Posts

 
Drives: Topless 135/Electric Boogaloo
Join Date: Apr 2009
Location: Fahrvergnügen/NY

iTrader: (0)

Jim isnt there that SC kit for N52s now?
__________________
Appreciate 0
      06-07-2012, 01:01 PM   #13
roundel335
Brigadier General
roundel335's Avatar
United_States
41
Rep
3,616
Posts

 
Drives: 13 335i Sedan, 11 128i Cabrio
Join Date: Apr 2010
Location: Leland, NC

iTrader: (2)

Garage List
There used to be a supercharger kit for the engine in the E46 330i...I'd think they'd have one for the N52 as well, but the electronics are a whole lot different.
__________________

2013 F30 335i M-Sport 8AT/MPE/MPPK, 2011 128i M-sport Cabrio 6MT/PE
Appreciate 0
      06-09-2012, 05:22 AM   #14
Evice
Major
Evice's Avatar
24
Rep
1,432
Posts

 
Drives: BSM 128i M-sport and '98 M3
Join Date: Apr 2009
Location: Somewhere here

iTrader: (1)

I wouldn't FI my 128i. However, I'd kill to get something around 275 HP from my car.

I can't imagine how fantastic this car will be with a little bit more power, staying true to its roots with its NA engine.
__________________
-- '09 BSM 128i - '98 E36 M3 - BMWCR IS #718
BMWCCA Instructor & 2013,2014 BMWCR I-Sport National Champion.
http://www.youtube.com/alisalih
Appreciate 0
      06-13-2012, 01:54 PM   #15
AdamRamjit
Private First Class
2
Rep
125
Posts

 
Drives: bmw 1 series
Join Date: Apr 2012
Location: Lakeland, FL

iTrader: (0)

Quote:
Originally Posted by Evice View Post
I wouldn't FI my 128i. However, I'd kill to get something around 275 HP from my car.

I can't imagine how fantastic this car will be with a little bit more power, staying true to its roots with its NA engine.
exactly wat i was thinking lol
Appreciate 0
      06-20-2012, 11:24 PM   #16
flinchy
Colonel
38
Rep
2,864
Posts

 
Drives: 130i
Join Date: Nov 2011
Location: QLD, Australia

iTrader: (0)

Quote:
Originally Posted by Evice
I wouldn't FI my 128i. However, I'd kill to get something around 275 HP from my car.

I can't imagine how fantastic this car will be with a little bit more power, staying true to its roots with its NA engine.
As a lucky person with a 130i, it's pretty amazing tbh

Edretty sure i made a post here about it earlier.. But anyway.. For these engines low boost high response sc > 'high boost more laggy' turbo.. If a crappy 1.8L 20 year old motor can make 200wkw stock internals, this engine (n52) can take 6psi of boost logically no? It's still only producing mad power at peak rpm and realistically unless doing super extended track day, heat should never be an issue?
Appreciate 0
Post Reply

Bookmarks

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Forum Jump


All times are GMT -5. The time now is 11:33 AM.




1addicts
Powered by vBulletin® Version 3.7.0
Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
1Addicts.com, BIMMERPOST.com, E90Post.com, F30Post.com, M3Post.com, ZPost.com, 5Post.com, 6Post.com, 7Post.com, XBimmers.com logo and trademark are properties of BIMMERPOST