318 to 325 conversion

[nav786]

right. I am doing the above conversion and need help on parts needed as i am getting evrything together.

list of what i have:
Engine
Box
Ecu+loom
Brakes

What am i missing?

is the 325 Radiator different? pretty sure it is.
will i need prop from 325?
Slave cylinder?

Also is the Manifold different on cabs than coupes?


Thanks

[Davenotouring]

You will need to change the prop yes..

I think the manifolds are different for the cab, check the group buy, where they are having to do different ones for cab/coupe.

1.8 suspension may not be strong enough at the front....might sit a bit low, but that's not essential

Probably a couple more points.....

Will be good once it's done!

[Adam318i]

I want to do this conversion to, probably next year tho when i have some No claims discount.

Is it easiest to just buy a doner?

I'll try nearer the time getting one thats rusted everywhere and has ripeed intiror.

Then i'll be sorted.

Hope all goes well with it Nav

Adam

[Brianmoooore]

Far easier to buy a doner

[buster]

im sure the front suspension will need to be changed as i think it will be far to low and unsafe at the front.

[Brianmoooore]

Not to mention the brakes.
That's why it's far easier with a doner.

[nav786]

i have just fit the spax kit all round. would that not be ok?
and what about the radiator, is it different. must be bigger

[Davenotouring]

They are listed as different on the GSF site, so I would guess, as you say the rad is bigger on the 2.5

[nav786]

what about the power steering pipes. i hear the 318 pipes will be too short, so will i need pipes form 325. would these work?

[Templ8e30]

I'm currently doing this conversion on Fastcarz 318i cab. We have changed:

1. Engine loom/ECU/AFM
2. Auto 2.5 engine converted to manual with spigot bearing and manual flywheel.
3. 325i gearbox
4. 325i prop
5. 325i 3.73 diff
6. 325i 3 piece exhaust
7. Complete 325i steering rack/pump/hoses
8. 325i rad & expansion tank etc

The exhaust is new for a 325i coupe and all fits perfectly, don't know where all this talk of different manifolds and downpipes comes from

We have a donor car and is much easier than faffing about buying individual bits.

Cheers,

Iain T

[Jhonno]

a donor car is a great idea except i got no where to put it

[nav786]

Templee30- how comes you are changing the steering rack? is it vital or just enhancement?

[Templ8e30]

I changed the rack because the power steering pipes aren't long enough to mount the pump in the right place, so to avoid messing about I swapped the whole system over.

It's only held in with 2 bolts/2 balljoints and the steering coupling !

Cheers,

Iain T