BMW Touring build with SR20 power (UPDATE- 03/04/13)

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oldroydsr4
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Sun Oct 12, 2008 4:00 pm

The Below info is taken from my document i've been writing since i started the project ,so with my slow progress this is 2 years of work :cry: but i have replaced or upgraded every component with new items , I have loads more pics and step by step write ups but can't really be bothered to post it all.

Also alot of the pictures are crap quality due to my phone

Some of you may know I have now sold all my M20 turbo equipment and are now in the process of purchasing a post 1993 Saab 9000 aero for the engine. winkeye winkeye I juct couldn't justify spending 7k on an engine.

PS You don't know how many times iv almost sold every thing a bought something else to abuse.

Enjoy.



Before I get into the project I’ll explain the story which leads me to the point I’m at now (and thousand of pounds worse off)

In October 2005 I was at university in Swansea and was in serious need off a run around and craved some sideways action (I currently had a very special VW Polo G40 at home and didn’t want to take it to the car crime capital of Wales). Several of my friends had E30 325i’s and this is what I decided on. Ebay was my next port of call and a 169k 325i SE was purchased

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After a few weeks it was clear that the 20 year old E30 could be so much better with an input of cash, however being a broke student I didn’t have any and as a result the G40 was sold to fund the initial project

The spec was planned and purchased

SPAX PSX kit -60
Strip the interior
LSD
DS2500 pads and Black diamond disks
Braided hoses
Sparco steering wheel
Powerflex bushes through out
6 Point cage.
15”a split wheels

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I was happy with this for a few months and did a few track days/drifting. However it soon be came clear that the 325i isn’t that quick and is in desperate need of some more power.

I wanted to create an e30 that was as much fun in the dry as the stripped 325i with LSD is in the wet. With little research it was clear that Turboing the M20 was the way to go and while the engine was out the 2 door shell was going to be resprayed (September 2006)
So the engine was taken out and the plan was to respray the shell.

At this point I purchased some goodies with the below spec and said good buy to a student loan :mad:


Engine:

Fully rebuild: rebored block, lead copper big end and main bearings etc
Polished Crank
8:1 C:R with JE forged pistons and total seal rings
O-Ringed + decked block by 0.1mm

Head Spec

PPF valves + springs with high accuracy cut valve seat
Welded water jackets (where appropriate)
New valve stems
Standard Cam (possible change before completion)

Other components

750cc injectors
Large Intercooler
Spec 3 clutch


However once the strip down started, the shell was past its best and an alternative was found in the shape of a recently resprayed and derusted rolling touring shell.

Saying buy buy to the original :cry: :cry:

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Here is a pic after I got rid of the rusty old running gear, the outside had been sprayed very well in brilliant red, although the interior was still the original alpine white, this didn't bother me as the cage and chassis mods would have damaged the paint anyhow.

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The next stage was to start planning a spec list, due the exchange rate at the time I bought a lot of stuff from Ireland engineering in the us.

Which included

E30 front coilover conversion kit
Urethane rear Subframe mounts
Urethane engine mounts
Urethane gearbox mounts
Adjustable camber top mounts
Adjustable rear camber and toe kit
Billet rear anti roll bar mounts
Billet rear top mounts
Eibach 550Ibs / 600Ibs coilover spring kit


Front strut Conversion

The below pic shows the front struts after sandblasting with the ring welded on for the coilover perch

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Here the strut assembly shown once sprayed and assembled with the top mounts
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Rear Bean Conversion

When ordering the suspension parts the camber and toe adjustment kit was chosen, this will in the future allow the car to be setup as necessary for drift or track use and also give the option of reducing the excessive negative camber produced when lowering the e30.

Outer pick up points are for toe and inner are for camber, hence why the outer bracket slot is horizontal and the inners are vertical.

A dye grinder was used for the slots

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The New bushes being installed winkeye

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Rear beam Finalised with the brackets welde and whole beam painted

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Front Subframe Reinforcement

To prevent flex in the front cross member due to big power reinforcement brackets were purchased from UWEM3

Below of subframe after sandblasting

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Subframe with bracket welded on.

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Subframe painted

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Shell Work

Now work started on the shell.

First, I wire brushed the underside and waxoyled it.

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Following this work started in side, the first step was to remove the nasty/ heavy sound deadening.

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This is a horrible job, Ive learnt recently that te easiest method is using dry ice. Not chipping inch by inch with a screw driver and hammer

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Sunroof removal

To save further weight i decided to remove the sunroof and replace it with a cabon fibre panel.

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I had to leave a lip for the panel to be bonded/ riveted to

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Once that was tidied up, I used Proflex for the bonding and screwed the carbon panel in place.

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Rear Diff hanger Modifications

With some research, it became clear that the weakness in the e30 shell when running a large increase in torque/power was the rear differential hanger and after viewing the picture below it was decided that thorough reinforcement was required

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While Chatting to Ant @ Atech he gave me a few ideas and i knocked up a drawing on Solidworks,

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When sourcing a diff, i contacted Kevo and he built me one to my specification.

E36 back plate and trigger wheel
Sand blasted casing
50% Lockup LSD
Tightened plates
new seals
3.46 ratio


At this point the Cage was also welded in

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Once the fabrication was complete the inside was sparyed.

Inside Respray

The inside was complete degreased and rubber down usin 600 grit sand paper.

Then red oxide primer was applied.

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following this that coat was rubbed down using 1200 grip and the brilliant red first coat was applied.

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This coat was then rubbed down with 1200 grit and another coat was applied. Following this a clear coat was added.

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In the above pic the colour looks a little orange but this is due to my crap camera phone.

With the car sprayed the running gear was bolted on

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Suspension and driveline spec so far


Here it is the progress to date, still lots to do but most is bolting bits on so progress will be fast.

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Suspension

Coilover fronts with eibach 600ibs springs and spax adjustible dampers
Rear Eibach 650ibs springs and spax adjustible dampers
Adjustible top mounts
Adjustible rear beam with ireland engineering bushes othrough out
M3 control arm bushes
H&R roll bars
Billet rear anti roll bar pick up points
Ireland engineering rear billet top mounts
Ireland engineering Front strut brace
6 Point OMP FIA roll cage

Steering

Z3 1.9 steering rack
Solid Steering Guibo
Every bolt /bracket /bush replaced


Brakes

Wilwood 310mm brakes
25 mm master cylinder

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Transmission

50% lock up and rebuilt LSD
E36 diff back plate
Modified diff hanger and reinforced rear end

Wheels

BBS LM replicas (wanted the real ones but cound't spend 2k on wheels :mad: )
Toyo T1r tyres

Ive also installed my Fuel cell today, helps with space around the rear beam when changing setup and hepls with the front heavy e30.
IMO it also looks ace.

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Heres the pic of the recently installed front intercooler the front was cut away for this to be installed.

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Some other Bits that need to go in.

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Group A carbon mirrors :cool:

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Jobs to do to Finish


Brake lines through car
Install perspex windows
Install wiring loom and cut down
Install fire extinguisher and cut off
Purchase Saab 9000 and rob the engine and auxilleries
Find omega gear box and prop
Fabricate mounts

etc etc

As you can see still lots to do but will keep all posted
Last edited by oldroydsr4 on Wed Apr 03, 2013 5:47 pm, edited 18 times in total.
GrindCulture
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Sun Oct 12, 2008 5:23 pm

Excellent, looks like properly cool project! Good luck on finding a decent Saab motor, this thing should be a serious weapon when it's done :cool:
Not in E30s any more :(
dips346
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Sun Oct 12, 2008 6:00 pm

looking very good :cool:
oldroydsr4
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Sun Oct 12, 2008 6:04 pm

Any one know of a good 2.3 turbo 9000 :D for approx £500
Theo
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Sun Oct 12, 2008 6:15 pm

This is a serious hero chariot, great stuff. Looking forward to further updates when you find a donor car 8)
fuzzy
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Sun Oct 12, 2008 6:25 pm

looks like a cracking project. great stuff indeed :cool:
Baz666
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Sun Oct 12, 2008 6:41 pm

very nice fella carnt wait to see it finished :cool:
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E46 328ci, sport bumpers, 19" style 95`s
oldroydsr4
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Sun Oct 12, 2008 7:46 pm

Cheers all

i will keep you all posted :cool:
Jon_Bmw
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Sun Oct 12, 2008 7:51 pm

Great read. Definatly will be a pokey car once finished. All the best cars have their fuel tanks in the spare wheel well :D
bss325i
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Sun Oct 12, 2008 8:12 pm

Excelent stuff! :cool:

I have the same Willwood brakes in my S50 2dr.
http://www.bmrperformance.co.uk

BMW and MINI specialist - Gatwick
law
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Sun Oct 12, 2008 8:39 pm

Niiiiiiiiice! Top read! Look forward to more updates!
Simon13
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Sun Oct 12, 2008 8:54 pm

Some serious work gone in to it so far, nice i like

Is that a guy called Will off the zones old shell? I seem to remember a red tech2 touring shell forsale a while ago, brother is Sam325is on here
march109
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Sun Oct 12, 2008 8:58 pm

Dude, all those years ago (well last year!) I came up and saw this project and you haven't got much further, though your mum must be happy the 2 door shell is off the drive.
325i Tech 1 Touring, breaking.

2.5 high comp. M20, 3.64 LSD, Fully undersealed, Spax springs & Bilstein shocks, s/s exhaust, Alpina rep wheels and more.
oldroydsr4
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Sun Oct 12, 2008 9:20 pm

Hi simon

Yep it was will's touring, i bought his engine off him to but sold it recently.

March:

Believe me when you came up i hadn't even started work on the shell, just spent ages buying bits and building up motivation. :D

The old dear was over the moon, when it went. She will be even happier when an old saab turns up to be stripped winkeye
eko
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Sun Oct 12, 2008 9:24 pm

Qaulity progress so far mate.
Looking forward to the progress pics :cool:
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oldroydsr4
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Sun Oct 12, 2008 9:56 pm

Cheers Tony

I may need a little help when refitting my loom as i didn't take any notes or mark it up.

Also i plan on cutting it down so all i have is ignition, fuel pump ,wipers and lights.

Is it best to do this out of the car or in it.?

Could any body talk me through it or am i going to have to battle with a wiring diagram :cry:
Simon13
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Sun Oct 12, 2008 10:05 pm

where is Ledbury?!

Might be easier on the car seeing as it's a bare shell with a cage, but as you say your not sure where it's all going. Get help before you chop!
oldroydsr4
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Sun Oct 12, 2008 10:10 pm

I'll will give it a go in the car then,

i sort of took it all out and thought afterwards. "i haven't made any notes of where that went ,bugger"

Ledbury is approx 40 miles south of birmingham and 40miles north of bristol.

Jct 2 m50. :D
sam325is
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Mon Oct 13, 2008 7:13 pm

Good to see it all is going well Dave. I'll be keeping an eye on this one. :thumb:
Jhonno
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Mon Oct 13, 2008 8:56 pm

Nice project!! I like! :cool: :cool:
Got cable ties? Get diffin..

Arch roller for hire.

www.zeroexhausts.co.uk

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BigBavarian
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Tue Oct 14, 2008 4:29 pm

Looks nice, very interested in seeing the finished article
Call me on 07858 151 197 - leave a message if no answer as i am probably busy! Will call you back!
Please email thru the website as not always on the zone for pm's.
Thanks
Richard
oldroydsr4
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Sat Oct 18, 2008 7:22 pm

Hi all just a mini update.

Iv started installing the loom today :cry: , which if you read my posts from above will know that i didn't mark any thing up. However i did sort of remember where every thing went so wasn't to bad.

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As the car doesn't need the electric windows , mirrors, heater, abs, clocks, check computer etc from before , iv also started to unrap the loom and cut the bits out that aren't required. Following the Bently wiring diagrams is great fun :eek:

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Heres what i have cut out already
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Thats the progress on the loom so far.

Got my flocked dash back this week :cool:

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Here is the compay that did the work,(they had some stunning mk1 and 2 escorts there)
http://www.centralblastcleaning.co.uk/s ... ocking.php

The quality of the flocking is awesome and I'm over the moon with the results. Does any body know how durable the flocking is?

On the donor car front, iv been looking at every possible website for the right car but nothing yet.
Last edited by oldroydsr4 on Wed Oct 29, 2008 5:04 pm, edited 1 time in total.
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StuB
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Sat Oct 18, 2008 10:25 pm

Hi - very interesting project! With regard to a donor car, keep an eye on the 'For Sale' section on the Retro Rides site, sure I've seen a couple of suitable Saabs on there recently.

http://retrorides.proboards86.com/

I'm sure if you posted a wanted ad on that site you'd soon get sorted out with the engine or a full donor car, they are a helpful bunch :D
oldroydsr4
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Sun Oct 19, 2008 10:00 am

Cheers StuB, I'll have a look.
ric325i
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Tue Oct 21, 2008 2:47 pm

keep searching you will find a motor :)

seems you are pretty far with getting the car ready for the engine. good luck man.
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oldroydsr4
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Wed Oct 22, 2008 11:24 am

Hi all

Found a saab 9000 aero with saab flight stage 3 ecu and td04 turbo :D .With this spec your looking at 300 bhp, which is a nice starting point + I have a very large front mount.

It also has abbot racing suspension + polybushes so will make some good money back on the parts :cool:

Should hopefully pick it up this weekend, however its got tax till the end of November, so the plan is to run it till then and have a little fun winkeye then the strip down willl start.

Shes at the right price to due to a dent in the rearquarter.

Will post pics when i get some good ones, but heres a taster from it at combe.

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Rosc0PColtrane
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Wed Oct 22, 2008 7:54 pm

Awesome find mate. This is going to be sooooo cool!!
GrindCulture
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Thu Oct 23, 2008 6:00 pm

I really want some Swedish turbo power in my touring :cry:
Not in E30s any more :(
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juniorGT
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Thu Oct 23, 2008 9:53 pm

cheers for the info matey, look forward to some more pics of this beast ! and im sure it will be with 300bhp :cool:
oldroydsr4
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Sat Oct 25, 2008 6:34 pm

Picked up the Saab 9000 aero this morning and paid just £650 for it.

The body is rough as a bears arse (perfect) but the engine is mint and clearly had a bit of cash spent on it.including saab flight stage 3 ecu, dump valve, induction kit, silicon hoses, new radiator and electric fan with switch on dash, boost gauge, poly engine gearbox mounts etc etc

Also have a Dyno chart stating 304bhp and 320nm of torque. She felt bloody quick in the saab body which weighs 1438kg, so i think the 1000kg e30 will be great fun especially with the 50% locking lsd. :D

Heres a few pictures
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And the important part

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I'm planning on starting the stripp down tomorrow and on the search for an omega gear box :cool:
Last edited by oldroydsr4 on Wed Oct 29, 2008 5:05 pm, edited 1 time in total.
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321gazza
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Sat Oct 25, 2008 7:20 pm

HI,oldroydsr4 was planning the same about my e30 but had a manta with a cally red top turbo in it sold the shell put the engine in my e30 instead,got the omega manual box on my c20let engine,all the omega manual boxes are the same r25/r28 xby10=250,280 thats max torque the box can take,you will need the flywheel,clutch kit that comes with it, its a duelmass kit thats very heavy but some guys on mig web have kept the turbo clutch and spaced out the thrust bearing to get a clutch pedal, but as its a saab engine not sure mate i quess youve read ppc mag i could not get the mag so could not read up onit :( any way look forward to the project.
Jon_Bmw
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Sat Oct 25, 2008 7:29 pm

So is that a bigger turbo running more boost or the the standard one running a shed load of boost? 8O

The front mount intercooler will sell well to the 200sx boys if you don't want to use it in your conversion.
fuzzy
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Sat Oct 25, 2008 7:32 pm

not a bad buy for £650.
oldroydsr4
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Sat Oct 25, 2008 8:36 pm

321gazza: Cheers or the info on the gearboxes, 280nm isn't that much torque, I can just see how much i can take before it shits itself. Surely the 3.0 omega gearbox will be strong enough???

I think PPC have nick named there 2.0 litre gearbox the hand grenade as there aiming for over 400hp and masses of torque :cool:.

Jon: The manual aeros have a bigger turbo than the other 2.3 saabs but i think it was running a lot of boost
RichIS
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Mon Oct 27, 2008 2:14 am

very nice gunna keep an eye on this been thinking about doing sumthing along the lines of this is going to be mental when done 8)
Injections nice....but I'd rather be blown ;)
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