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Members => Projects & Installs => Topic started by: gunni on April 08, 2008, 07:13:59 PM

Title: BMW 325i E30 vemsed and now turbo
Post by: gunni on April 08, 2008, 07:13:59 PM
Quote from: GunniWell I couldnÃ,´t stand it any more having no car in this country so I decided on buying a e30..

Car in question is a 325i 4door, zinnobar red.
IÃ,´ve since fitted 318is interior, center console and so on, is lip,
need some spacers for the wheels to push them out a bit.

This will be the engine setup
Engine :  :cool:
MLS gasket
ARP bolts
TCD exhaust manifold
T4 TCD turbo
Poly motor bushings.
42lbs injectors
final goal 400-450whp should get there at 20-25psi
(200whp by end of spring with turbo)
All controlled by VEMS.

Plan is to build the car so that when looked at it will look like it is now,
but when the throttle is opened it turns into a WEAPON.

Luxury?
Sure electric windows and rears as well, electric sunroof.
remote central locking

Car should be ready by end of spring 2009.
More info to follow as they progress

Been driving around for a while and working on the starting,
it seems no prime and no added fuel at 77C+ is working well, as before it has
been drinking fuel alot, I blame it mostly on the constant starting and running rich
from overfuelling because of the high afterstart enrichment and warmup.
So IÃ,´ll see if my new changes make a difference.

I made a adapter for it but have since revised it on another car I have also installed it on.
mainly how the injectors are wired, I made a new injector harness for mine, while I just tapped into the wires at the injectors for the other car. it makes for alot cleaner install,
Drivability is excellent to say the least and performs about the same as the chip I had in it.

ItÃ,´s got a headgasket issue IÃ,´m solving next weekend.


(http://myndasafn.bmwkraftur.is/d/46388-2/IMG_4719.JPG)

(http://myndasafn.bmwkraftur.is/d/46391-1/IMG_4723.JPG)

(http://myndasafn.bmwkraftur.is/d/46394-1/IMG_4725_crop.jpg)

(http://myndasafn.bmwkraftur.is/d/46397-1/IMG_4728.JPG)

(http://myndasafn.bmwkraftur.is/d/46400-1/IMG_4721.JPG)

(http://myndasafn.bmwkraftur.is/d/46403-1/IMG_4720.JPG)
Title: Re: BMW 325i E30 vemsed waiting for turbo.
Post by: gunni on April 28, 2008, 11:16:34 AM
Update.

Engine got flushed pretty heavily on the #4 with fuel when I was messing with IAC valve setup
(ran one icv circuit out on a already connected injector, so that cyl was trying to digest 450cc injection at 100% duty
at idle  :P )
and since then itÃ,´s pumping so much into the crankcase itÃ,´s leaking around the headgasket oil return, so IÃ,´ve disabled that cylender within VEMS.
and itÃ,´s only running on 5 now until I fit another engine and no more leaking.

I never have gotten around to finish the iac so I messed with ignition based idle control and
holy smoke itÃ,´s good. Idle is dead stable at 900rpm at the moment, advance is 5-6deg when it was 22 before,
at 22Ã,° itÃ,´s idling around 1500-1600rpm which I like when itÃ,´s cold.

So I have effectively given my self two extra INJFET outputs instead of wasting them on the idle valve.
I also had a very good running engine lamdba vise so I disabled that as well as otherwise itÃ,´s looking at 3cyls and only 2 are burning air,
And would start messing things for those two.

IÃ,´ve already bought another engine and will be fitting that soon enough, itÃ,´s got slightly higher compression so itÃ,´s all good.
An then IÃ,´ll be fitting the turbo next winter, canÃ,´t be bothered with it now as IÃ,´m moving back in just over a month.



Title: Re: BMW 325i E30 vemsed waiting for turbo.
Post by: gunni on May 26, 2008, 03:22:31 PM
Ok finally got some time to do some work on it.

sorted all fuelling during cruise.
cold start is almost done,
idle is rock awesome now without using a ICV.
accelaration enrichment is good, only need to fix the instant WOT condition but that varies to much with
rpmÃ,´s

IÃ,´ll post up some VEMS screenshots later.
Title: Re: BMW 325i E30 vemsed waiting for turbo.
Post by: gox on May 26, 2008, 06:46:30 PM
Can you post up or explain in details about setting the ignition idle control? :)
Title: Re: BMW 325i E30 vemsed waiting for turbo.
Post by: gunni on September 17, 2008, 07:07:06 PM
Dyno time.

This engine is 22years old and the head has never come off.
IÃ,´m doing a compression test tomorrow to see what the condition is.


(http://myndasafn.bmwkraftur.is/d/62565-1/gunni+22year+old+engine2.jpg)

IÃ,´d say itÃ,´s pretty good compared to stock 171hp and 165lbs torque


Title: Re: BMW 325i E30 vemsed waiting for turbo.
Post by: gunni on October 18, 2008, 10:24:08 PM
update.

turns out the old block had early pistons so it was a high compression one ,
no wonder it was so nice.

anyway.

update #1.
compression test after dyno runs shows weak #6 cyl (8bar) while all the other ones where 12-13bar

update #2.

turbo is in the works.

Stage III from TCD ( T40E 60trim ) and TCD top mount manifold
(http://www.rbracing-rsr.com/turbo/TurboMaps/t04e-60.gif)

IÃ,´m going to be running 1bar on a M20B28
M52 crank
M20B20 rods
M20B25 pistons (late)
ARP headbolts
Stage III TCD/UUC clutch kit (450lbs + )
TIAL 38mm
TIAL BOV
Well sized intercooler
42lb injectors
VEMS
"3 downpipe, exhaust and inline silencers.

Compression is 9.16:1 which will suit perfect for the level of boost and normal in town driving.

HP shall be 400hp and torque 400lbs
full boost by 3k in the last 3 gears, probably slightly later in the first two.

Some pics from the block work
this is a E34 block so IÃ,´m going to be drilling for the dipstick.

(http://myndasafn.bmwkraftur.is/d/63312-1/15102008075.jpg)
(http://myndasafn.bmwkraftur.is/d/63315-1/15102008076.jpg)
(http://myndasafn.bmwkraftur.is/d/63318-1/15102008077.jpg)
(http://myndasafn.bmwkraftur.is/d/63321-1/15102008078.jpg)
(http://myndasafn.bmwkraftur.is/d/63324-1/15102008079.jpg)
(http://myndasafn.bmwkraftur.is/d/63327-1/15102008080.jpg)


(http://myndasafn.bmwkraftur.is/d/63342-1/16102008081.jpg)
(http://myndasafn.bmwkraftur.is/d/63345-1/16102008082.jpg)
(http://myndasafn.bmwkraftur.is/d/63348-1/16102008083.jpg)

(http://myndasafn.bmwkraftur.is/d/63351-1/16102008084.jpg)
(http://myndasafn.bmwkraftur.is/d/63354-1/16102008085.jpg)

(http://myndasafn.bmwkraftur.is/d/63360-1/16102008087.jpg)
(http://myndasafn.bmwkraftur.is/d/63363-1/16102008088.jpg)
(http://myndasafn.bmwkraftur.is/d/63366-1/16102008089.jpg)

IÃ,´m also working on making the TCD manifold + TCD turbo work without an adapter to fit RHD vehicles. ItÃ,´s very close :)

here are a few from when I was working on the first head.

(http://myndasafn.bmwkraftur.is/d/62962-1/02102008065.jpg)
(http://myndasafn.bmwkraftur.is/d/62965-1/02102008066.jpg)

(http://myndasafn.bmwkraftur.is/d/62968-1/02102008067.jpg)

(http://myndasafn.bmwkraftur.is/d/62971-1/02102008068.jpg)
We do what then??



:lol:








(http://myndasafn.bmwkraftur.is/d/62974-1/02102008069.jpg)
(http://myndasafn.bmwkraftur.is/d/62977-1/02102008070.jpg)
(http://myndasafn.bmwkraftur.is/d/62980-1/02102008071.jpg)
(http://myndasafn.bmwkraftur.is/d/62983-1/02102008072.jpg)

8)
After a quick look at the ports and comparison to the burn pattern on the outside of the exhaust ports they are a very solid source of more air flow. As per alpinas own modifications.
No mods will be done to this 2.8 port wise.
Title: Re: BMW 325i E30 vemsed waiting for turbo.
Post by: gunni on November 21, 2008, 05:32:25 PM

(http://myndasafn.bmwkraftur.is/d/65269-1/21112008160.jpg)
(http://myndasafn.bmwkraftur.is/d/65278-1/21112008157.jpg)
(http://myndasafn.bmwkraftur.is/d/65272-1/21112008161.jpg)
(http://myndasafn.bmwkraftur.is/d/65275-1/21112008162.jpg)

ItÃ,´s in , hoping for a test start up on sunday.
and exhaust next week.
Title: Re: BMW 325i E30 vemsed and now turbo
Post by: SamSpade on November 25, 2008, 05:31:14 AM
Nice!  Do you have photos of the placement and tubing of the intercooler?

I'm planning to do the same thing but with a 3.5L M30 (your sound advice btw ;D).
Title: Re: BMW 325i E30 vemsed and now turbo
Post by: gunni on November 25, 2008, 09:46:36 AM
Talk to turbochargingdynamics.com

ItÃ,´s all there ..

Title: Re: BMW 325i E30 vemsed and now turbo
Post by: gunni on December 04, 2008, 09:59:48 PM
This is where my E30 325i is at the moment.
IÃ,´m picking up a 2,8 crank on sunday to finish the 2,8 M20 build

(http://myndasafn.bmwkraftur.is/d/65695-1/03122008179.jpg)
(http://myndasafn.bmwkraftur.is/d/65698-1/03122008180.jpg)
(http://myndasafn.bmwkraftur.is/d/65701-1/03122008181.jpg)

(http://myndasafn.bmwkraftur.is/d/65704-1/03122008182.jpg)

(http://myndasafn.bmwkraftur.is/d/65707-1/04122008183.jpg)
(http://myndasafn.bmwkraftur.is/d/65710-1/04122008184.jpg)
(http://myndasafn.bmwkraftur.is/d/65713-1/04122008185.jpg)
(http://myndasafn.bmwkraftur.is/d/65716-1/04122008186.jpg)
Title: Re: BMW 325i E30 vemsed and now turbo
Post by: gunni on December 16, 2008, 05:35:23 AM
Downpipe ready

Should have exhaust pics later in the week

(http://myndasafn.bmwkraftur.is/d/66436-1/12122008188.jpg)
(http://myndasafn.bmwkraftur.is/d/66439-1/12122008189.jpg)
(http://myndasafn.bmwkraftur.is/d/66442-1/12122008190.jpg)
Title: Re: BMW 325i E30 vemsed and now turbo
Post by: gox on January 24, 2009, 07:06:16 PM
I also used E34 m20 block but it had hole for dipstick just it was blocket with some metal think that you put out....

I am 2.7 with eta crank and pistons,maybe i switch to 2.8 and b25 pistons....hm....
Title: Re: BMW 325i E30 vemsed and now turbo
Post by: gunni on March 07, 2009, 09:29:34 PM
Engine has been honed, 2,8 crank, 320i rods and 325i pistons are all in.

Engine is also now in the car , will be starting soon.

(http://myndasafn.bmwkraftur.is/d/69252-1/20022009032.jpg)
(http://myndasafn.bmwkraftur.is/d/69240-1/20022009035.jpg)

(http://myndasafn.bmwkraftur.is/d/69301-1/22022009036.jpg)

(http://myndasafn.bmwkraftur.is/d/69310-1/22022009039.jpg)

(http://myndasafn.bmwkraftur.is/d/69394-1/23022009040.jpg)

(http://myndasafn.bmwkraftur.is/d/69422-1/23022009044.jpg)

Still missing a spacer on the front of the crankshaft as you can see basically just seals against the seal.
(http://myndasafn.bmwkraftur.is/d/69779-1/07032009051.jpg)

Title: Re: BMW 325i E30 vemsed and now turbo
Post by: Regler on March 09, 2009, 01:06:53 AM
Hello gunni,

nice project, how many HP that you mean have the engine?

The ignition coil is very near at the exhaust manifold  :o

Is the crank fine balance and how many rpm that would like?
Title: Re: BMW 325i E30 vemsed and now turbo
Post by: gunni on March 09, 2009, 01:48:22 AM
I haven´t tuned it yet.
but it´s going to make however much is possible by the 450cc injectors.

The coil only seems to be that close.

The crank came straigth out of a E36 328i engine and has been checked. the crank would rev to 8k if wanted but the m20 valvetrain will not allow that.
Title: Re: BMW 325i E30 vemsed and now turbo
Post by: gunni on March 21, 2009, 03:03:20 AM
Boost control.

(http://myndasafn.bmwkraftur.is/d/70357-1/20032009066.jpg)

(http://myndasafn.bmwkraftur.is/d/70372-1/20032009072.jpg)

Clean engine.
(http://myndasafn.bmwkraftur.is/d/70366-1/20032009070.jpg)

Oil feed
(http://myndasafn.bmwkraftur.is/d/70375-1/20032009073.jpg)

(http://myndasafn.bmwkraftur.is/d/70369-1/20032009071.jpg)

Already done the radiator and electric fan and related hoses.

Should make the exhaust tomorrow or sunday, sucks working outside as you only have until the sun goes down.
Title: Re: BMW 325i E30 vemsed and now turbo
Post by: gox on March 25, 2009, 10:54:40 PM
looking good :)

keep up the good work!
Title: Re: BMW 325i E30 vemsed and now turbo
Post by: gunni on May 01, 2009, 02:09:14 AM
Here it is starting up and idling.
http://www.youtube.com/watch?v=PvfgsyMpaAg

Title: Re: BMW 325i E30 vemsed and now turbo
Post by: gunni on May 09, 2009, 02:41:01 AM
And I´ve maxed the injectors.

450´s at 90% duty.

It´s REAL nice :)
Title: Re: BMW 325i E30 vemsed and now turbo
Post by: AVP on May 09, 2009, 04:14:39 AM
were can you see/setup the injector duty cycle?
Title: Re: BMW 325i E30 vemsed and now turbo
Post by: gunni on May 09, 2009, 05:23:05 PM
You can either just change on of the gauges in megatune or do it in the megalogviewer
Title: Re: BMW 325i E30 vemsed and now turbo
Post by: gunni on May 13, 2009, 09:56:28 PM
http://www.youtube.com/watch?v=dGeQna_2zrE
http://www.youtube.com/watch?v=FlJpKz_9lA4
http://www.youtube.com/watch?v=SR-GWSL9Res


Some vids from today.
Title: Re: BMW 325i E30 vemsed and now turbo
Post by: gunni on May 15, 2009, 04:09:21 AM
Today I took it to a dyno to do some tuning,

I went to my favourite place
Evolve down in Luton,. Evolve Automotive - evolve your car with the ECU remapping specialists (http://www.evolveyourcar.com)

Anyway the results are in and I didn´t quite get 400LBS torque like I had hoped, but

466LBS !!! ,, This is SO crazy now.

This is where the car was before tuning

(http://myndasafn.bmwkraftur.is/d/73384-1/full+boost+no+tuning.jpg)

And this is same boost but after tuning.

(http://myndasafn.bmwkraftur.is/d/73393-1/400fwhp.jpg)

3rd gear looses traction now after I tuned the ignition.
And driving this is INSANE!!..


Having a car tuned on a dyno really makes a difference. :)
Best thanks to Sal and the crew at Evolve.
Title: Re: BMW 325i E30 vemsed and now turbo
Post by: gox on May 16, 2009, 03:00:48 PM
post up ur maps or we will shoot you :)

what boost? what gearbox and diff?
Title: Re: BMW 325i E30 vemsed and now turbo
Post by: gunni on May 16, 2009, 10:49:21 PM
original box + 3,73 diff

1.1bar boost

I don´t think it´s wise to post the timing map as my engine is TOTALLY different to almost all M20´s and
I don´t want people assuming that this ignition map is A-OK on any M20 that´s boosted as the compression is very low
and requires alot of ignition advance.
Title: Re: BMW 325i E30 vemsed and now turbo
Post by: gunni on August 23, 2009, 06:22:45 AM
I´ve decided to do another customer
build it and test it job.

This time it´s going to be a
M50B25 built for a E30 chassis and M20 gearbox setup.

M50B25 - new bearings, rings, oil seals and gaskets
MLS for lower compression
Head fully checked
ARP 2000 head studs.

TCD Stage III kevlar M20 clutch

"24x12x3 Intercooler
50mm blow off
60mm wastegate
tubular split pulse top mount manifold
Custom HX35
"3 downpipe
"3 stainless exhaust

VEMS ecu
60lbs injectors or bigger
Boost control in cabin.
Walbro fuel pump

944 brake booster
eletric fan conversion
custom M20 gearbox holder
and gearshifting mechanism.

Dyno tuned, road tested.
I´m building this for 4k pounds.
Customer will need to get his own gearbox, radiator and driveshaft.

The power will be 500hp at about 1.4-1.7bar boost
Full boost by 3750rpm.

Pics as things develop
Title: Re: BMW 325i E30 vemsed and now turbo
Post by: gunni on December 12, 2009, 11:50:33 PM
Well finally I´m getting somewhere.

I´ve got the M50 engine, and will be rebuilding it over christmas,
if you guys could reccomend a place to get a gasket set (head and bottom) that includes as many gaskets as possible that would be great.

Here it is sitting in the engine bay, which is where I´m storing it until rebuilding.
(http://myndasafn.bmwkraftur.is/d/79572-2/29112009151.jpg)
(http://myndasafn.bmwkraftur.is/d/79566-2/29112009149.jpg)
(http://myndasafn.bmwkraftur.is/d/79569-2/29112009150.jpg)

The engine loom is now in my house where I´ll be modding it and removing some things that don´t need to be there.
Still no date on startup and mapping, but I´ll be posting pics and information as they develop.

I have already done a preliminary map in the ecu that should make the car 100% around town drivable only needing minor fine tuning.

Here I have plotted where and how I´ll be running the boost and where it should be coming in.
Turbo is a 7blade Holset HX40 Super60
(http://myndasafn.bmwkraftur.is/d/78563-2/m50turbo.jpg)

This is the proposed dyno chart I have worked out. The HP1 and Torque1 would likely come out like this If I let it spool uncontrollably to 1.5bar
But I´ll see how it´s on the street with such a crazy hp change in a matter of 500rpm´s.
(http://myndasafn.bmwkraftur.is/d/78560-2/m50power.jpg)

The engine setup is going to be crazy good fun when finished. And I´ll post some videos and info of course.
Title: Re: BMW 325i E30 vemsed and now turbo
Post by: AVP on December 13, 2009, 12:23:36 AM
Go Holset!!!

very nice results gunni!
Title: Re: BMW 325i E30 vemsed and now turbo
Post by: BimmerDread on April 19, 2010, 04:41:12 AM
So..... is the M50 done yet?
Title: Re: BMW 325i E30 vemsed and now turbo
Post by: gunni on April 19, 2010, 06:34:50 PM
No where close.
but I have a few other M50 based turbo setups to tune soon.

I´ll post them up when things are mapped.