What gearbox

[318isturbo]

Hi guys I was wondering what gearboxes can I put on my e30 318is it is turbo charged want a decent box I don't go mad all the time what boxes could I use cheers all

[bss325i]

5 speed ZF box from an E36 328i/M3 3.0 would be an upgrade from the getrag 240 you have but depending on how much power and torque you have the getrag should be ok.

[318isturbo]

Do e36 gearboxes fit on e30's then
Didn't no that

[bss325i]

All depends which engine.

[318isturbo]

M42 318is just a good gearbox will do the standard 318 has been good was thinking a 325 box??

[Dezzy]

What power/tourqe has the donk got? Is the diff ratio staying standard?

[redcar]

What power figures are you expecting?

[leeparkes]

Do e36 gearboxes fit on e30's then
Didn't no that

E36 boxes are direct 5th whereas E30 boxes are overdrive, ie you will need a longer ratio diff somewhere around 2.93 - 3.25.

[318isturbo]

I think the diff is 3:71 LSD don't really go for a big top speed to be fair I'm more acceleration
Just want a good all round box that's why I was thinking 325
My bhp will be around 290 and torque 300 ish

[Tom_Maverick]

I think the diff is 3:71 LSD don't really go for a big top speed to be fair I'm more acceleration
Just want a good all round box that's why I was thinking 325
My bhp will be around 290 and torque 300 ish

that's a lot of power and torque from a 1.8 turbo! should be interesting to see how it goes! you got a build thread?

[318isturbo]

I ain't unfortunately I'll dig out some pics I took over the years been doing it in stages it's the time and money where I have a everyday car It can be months between doing anything to it but I've had it 8 years now and not looking at selling it any time soon no rush I guess lol

[Andyboy]

With 300 bhp and a 3.7 diff, an overdrive 5 speed box is what you need. The E36 310/320ZF will be very low geared. The ideal box is the 5 speed 260 from the very early 24v 520i/525i but they are ultra, ultra rare - only first few thousand cars had them. An E30 325i box will fit, but sit at a different angle - not the end of the world but not ideal.

[DanThe]

E34 overdrive box here, just what the doctor ordered and going cheap

[Alex]

Dont quote me, But i read somewhere that an e36 M3 6 speed box fits.

[DanThe]

It will, and sits at the same angle as the iS, M50/52 box's but thats if you can find one that isnt shagged

[Andyboy]

E34 overdrive box here, just what the doctor ordered and going cheap

Really? I've only ever had two, both from H plate 520i's. I wouldn't give it away - minimum £150.
The bellhousing code letters are TAHO, TAHO or AHS. Both mine were TAHO.

[318isturbo]

Don't get me wrong the 318 gearbox has been through hell and still going ok I cracked the casing it's been on 4 dyno runs and loads of live mapping runs then my fun Friday and Saturday nights
It's done me proud

[318isturbo]

What year of car do I need to look for if I go with a 520 box or do I just go with a e30 low mileage box

[redcar]

Your car sounds awesome, do you have pictures

[318isturbo]

I'll get some soon as its been sitting in my work for a year gonna try buff it get some shine back and clean engine bay looks very dusty lol