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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 3 Series / 4 Series > E36 (1991 - 1999)

E36 (1991 - 1999)
The E36 chassis 3-Series BMW was a huge hit among driving enthusiasts from the first moment the car hit the pavement. The E36 won numerous awards over the years it was produced and is still a favorite of many BMW enthusiasts to this day! -- View the E36 Wiki

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  #1  
Old 11-01-2013, 09:08 AM
short-circuit short-circuit is offline
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328i stroker build.

Hello my engine needs new piston rings and has lost a lot of power so i figured if im gonna take the engine apart might as well make it faster. im going to do it on my christmas vacation(1 month) after i finish university.
id really appreciate it if anyone could help me with what i would need to do , and exactly what parts i need since i need to source the parts and get good prices before the vacation so i can start to work on it immediately.
hopefully the block is still in good condition.

Thank You for all te help
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  #2  
Old 11-03-2013, 10:54 PM
Mjölnir Mjölnir is offline
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You should really do a search for stroker info because you will find more than I could ever hope to tell you. It's been discussed many times before and there are different ways of going about it depending on your goals. Most common option is to transplant complete m54b30 rotating assembly (crank, rods, pistons) into your block. This gives roughly 3L displacement with a reasonable compression ratio (don't remember off the top of my head).
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  #3  
Old 11-04-2013, 11:06 PM
short-circuit short-circuit is offline
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so if i put just the crankshaft of a 330i wouldnt i be changing the stroke without having to change my 328i pistons and rods since they are the same diameter and the rods are both 135mm in lenght?
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  #4  
Old 11-05-2013, 04:09 AM
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dc_wright dc_wright is offline
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If you change just the crankshaft without changing the rods too, your pistons are going to impact the cylinder head due to the longer stroke. As stroke gets longer, the rods have to get shorter so that the upper position of the piston stays the same.
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  #5  
Old 11-05-2013, 09:33 AM
short-circuit short-circuit is offline
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so what would you guys recommend i have till christmas to decide.
cost wise and power wise.

1. rebuild the 328i engine(new piston rings-valve guide seals- hone block...) + m50 manifold + e46 camshafts.
2. rebuild engine + m54b30 internals + m50 manifold + e46 cam

or anything other to suggest or add
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  #6  
Old 11-05-2013, 08:16 PM
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jkmeisl jkmeisl is offline
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I've seen strokers built with the following

M52 b 28 Head
m52 b 28 block
m54 b 30 crank
m52 b 28 rods
m54 b 30 pistons
m54 b 30 Intake cam on intake side
m50 b 25 Non vanos Intake cam on exhaust side

claims to make about the same Hp and tq as the S52
I've not seen a dyno so I cant say
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  #7  
Old 11-05-2013, 08:33 PM
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jkmeisl jkmeisl is offline
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here is all the info you will ever need.

lots of pic's on both

http://forums.bimmerforums.com/forum...m52-m54-hybrid

http://forums.bimmerforums.com/forum...r-cheap!!!-DIY
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  #8  
Old 11-05-2013, 08:46 PM
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jkmeisl jkmeisl is offline
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Quote:
Originally Posted by dc_wright View Post
If you change just the crankshaft without changing the rods too, your pistons are going to impact the cylinder head due to the longer stroke. As stroke gets longer, the rods have to get shorter so that the upper position of the piston stays the same.
rods are the same 135 mm, the m54 pistons are 4 mm shorter then the m52 pistons
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  #9  
Old 11-06-2013, 08:35 AM
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miles_trail miles_trail is online now
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Re: 328i stroker build.

An other advantage of using the entire M54B30 rotating assembly is that it'll already be balanced. You can look at my build in my history.

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  #10  
Old 11-06-2013, 08:36 AM
short-circuit short-circuit is offline
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Originally Posted by jkmeisl View Post
thanks for the help very very useful info.

i found a good 328i engine for 1000$ , but that puts me at stock power again,

or do you think i should go ahead with the rebuild with m54b30 internals , it sounds so tempting, and i do want better performance.

also do you think it could be done in about a month.
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  #11  
Old 11-06-2013, 08:54 AM
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jkmeisl jkmeisl is offline
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Quote:
Originally Posted by short-circuit View Post
thanks for the help very very useful info.

i found a good 328i engine for 1000$ , but that puts me at stock power again,

or do you think i should go ahead with the rebuild with m54b30 internals , it sounds so tempting, and i do want better performance.

also do you think it could be done in about a month.
could be done in a weekend with a few buddys, but honestly just take your time, a month is a good time frame if you have money in the bank and all the parts bought and ready to go. and you hit very few bumps in the road.
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  #12  
Old 11-06-2013, 10:37 AM
short-circuit short-circuit is offline
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Quote:
Originally Posted by jkmeisl View Post
could be done in a weekend with a few buddys, but honestly just take your time, a month is a good time frame if you have money in the bank and all the parts bought and ready to go. and you hit very few bumps in the road.
yeah im hoping to get all the parts before christmas ,when i finish my first semester we have a month of vacation so will take my time to do it properly.


Awsome build miles..........
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  #13  
Old 11-06-2013, 12:41 PM
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miles_trail miles_trail is online now
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Re: 328i stroker build.

Thanks. Definitely get all the parts before you do anything stupid like yanking the engine out. I wasted a lot of time and money by jumping the gun and pulling the engine before I'd bought all the little stuff.

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How do you outcrazy a dude that lifts his engines without a hoist?

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  #14  
Old 11-06-2013, 12:44 PM
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dc_wright dc_wright is offline
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Quote:
Originally Posted by jkmeisl View Post
rods are the same 135 mm, the m54 pistons are 4 mm shorter then the m52 pistons
Roger that. I didn't have time to look up if they did the deck height correction with shorter rods, moving the wrist pin location on the piston, or changing the overall piston height.

First stroker engine I did many years ago was a 1600cc air cooled VW. I had the deck height all worked out and thought it was going to be clear sailing...............until I discovered the piston skirt interference at the bottom of the stroke when I put everything together.
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  #15  
Old 11-09-2013, 12:42 PM
short-circuit short-circuit is offline
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Quote:
Originally Posted by miles_trail View Post
Thanks. Definitely get all the parts before you do anything stupid like yanking the engine out. I wasted a lot of time and money by jumping the gun and pulling the engine before I'd bought all the little stuff.

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just have a couple questions, what maf sensor did you use and how much more power did you actually make, could you really feel the diffrerence, and was it worth the trouble.

also can i run another maf sensor on a stock 328i, cause mine is not working?
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Old 11-09-2013, 01:19 PM
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miles_trail miles_trail is online now
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Re: 328i stroker build.

I used an MAF from an OBDI 740, you'll probably want one from an OBDII 540/740. As for power, I could have gotten more with a better tune and if the head gasked had seated properly (fixing that now), but it was definitely a big jump from stock.

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How do you outcrazy a dude that lifts his engines without a hoist?

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  #17  
Old 11-18-2013, 08:36 AM
short-circuit short-circuit is offline
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still waiting for my compression tester, but yesterday i asked a couple guys what they did ti their engines and they recommended i swap my block for a 3.0l block cause it costs around the same, would you guys recommend this
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Old 11-18-2013, 08:43 AM
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jkmeisl jkmeisl is offline
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Quote:
Originally Posted by short-circuit View Post
still waiting for my compression tester, but yesterday i asked a couple guys what they did ti their engines and they recommended i swap my block for a 3.0l block cause it costs around the same, would you guys recommend this
if you have the money sure. the 2.8 block is bore of 83.94 mm iirc and the 3.0 block is 86.xx mm iirc if you get the euro 3.0 its like 286 hp. thats gunna be way more power then a 2.8 stroker
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Last edited by jkmeisl; 11-18-2013 at 08:58 AM.
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  #19  
Old 11-18-2013, 09:57 AM
short-circuit short-circuit is offline
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well here its the same price to do a stroker or get the block, but im going to be putting the 328 head on which is what is worrying me, will it be a perfect fit?
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  #20  
Old 11-18-2013, 10:13 AM
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jkmeisl jkmeisl is offline
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Originally Posted by short-circuit View Post
well here its the same price to do a stroker or get the block, but im going to be putting the 328 head on which is what is worrying me, will it be a perfect fit?
it will fit
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  #21  
Old 11-18-2013, 10:22 AM
short-circuit short-circuit is offline
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it will fit
thank you definitely going for the 3.ol then.
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Old 11-18-2013, 01:29 PM
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ZeGerman ZeGerman is online now
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Wait, I don't think the M52B28 head will fit on the S50B30 Euro engine. The Euro S50 was a dual VANOS, etc., whereas the M52B28 was single VANOS. There are probably numerous other reasons why a 2.8L head won't work on the Euro 3.0L engine, too, including bore.
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Old 12-07-2013, 11:52 AM
short-circuit short-circuit is offline
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so my compression tester finally arrived. and............

c#1--135psi--140psi
c#2--150psi--150psi
c#3--150psi--160psi
c#4--150psi--155psi
c#5--150psi--150psi
c#6--150psi--150psi

they seem pretty low specially that i was expecting them to be in the 200s
but that is reasonable since the car really really feels underpowered you just dont know how much,,,,,,,,,,i gave my friend a lift the other day and he asked whether it was a 318 or 320.

here are some spark plug pics they dont look right, why do they look like this.











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  #24  
Old 12-07-2013, 12:04 PM
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Good Lord, man, change those plugs! They are all carboned up. I'll bet you notice a huge power improvement immediately. And run some Sea Foam through the engine. Gah! I hate to think what the valves look like.
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Old 12-07-2013, 12:15 PM
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Yikes, yeah, those plugs are nasty. How long were they in for? Anyway, here is a guide describing various plug scenarios:

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