And another M30 swap begins

[yert315]

if you can use an m30 harness, do it. I found it to be MUCH easier to use.

[E30 Beast]

i started to us the m30 harness but realized that the place i bought the motor from ripped off some wires so all i have is the injector box nd wires
can i still use it or just stick to the e30 harness

[Jean]

Post some clear pictures, I might be able to help as I've taken a couple of those apart and I am using one of them in my car.

[E30 Beast]

Post some clear pictures, I might be able to help as I've taken a couple of those apart and I am using one of them in my car.

LOL will do

[1987E30project]

Hey Beast did you have to pound the firewall or did you remove any insulation?

[george graves]

I both pounded and remove insulation.

Get'er' done.

[1987E30project]

I both pounded and remove insulation.

Get'er' done.

What motor mounts did you use?

[george graves]

We made them ourselves after e30.de mounts got lost in the mail.

[E30 Beast]

What motor mounts did you use?

I am using good nd tight mounts, fits perfectly nd yes i did the same as george graves took off the insulation nd beat the living hell out of the firewall, i have about 1/2 -1 inch left for the motor to slide back

[E30 Beast]

this is all i have that came with the m30 motor (talking about the harness) which should be the first pic the rest are just misc. thats why i prefer to use the e30 wire harness because i already have everything for it nd i heard that its a lot easier to work with

[Jean]

That's an automatic e32/e34 harness with a big chunk of stuff cut off.... I would use another e32/e34 harness or use the e30 harness you have.

It's not EASIER to use an e30 harness, think about it, the e32/e34 harness is MEANT for the m30, no wire cutting/extending needed like with the e30. Plus, e32/e34 harness looks cleaner.

[E30 Beast]

That's an automatic e32/e34 harness with a big chunk of stuff cut off.... I would use another e32/e34 harness or use the e30 harness you have.

It's not EASIER to use an e30 harness, think about it, the e32/e34 harness is MEANT for the m30, no wire cutting/extending needed like with the e30. Plus, e32/e34 harness looks cleaner.

I see what ur saying jean, now if i were to get another harness would it have to be from an manual m30 or it doesn't matter

[yert315]

go to the junk yard and get ANY m30 harness that's complete. I am running a harness from an automatic and it's fine. I'm just not using the automatic bits. I got mine frmo the JY for $30. Trust me it's easier.

I tried the m20 harness, and it didn't run for shit. Probably my fault all along, but I'd rather have a true plug and play system then have to cut and lengthen.

[E30 Beast]

well looks like ill be going to the junkyard to pick up my harness nd go from there

[RickSloan]

dont go and get just "ANY" m30 harness. Make sure it is from an e32 or e34 its what you need. The early harness will not work with a b35 ecu or some of the sensors like the crank reference sensor and temp gauge sensor.

plus the motronic 1.3 looks better and runs better

im running the late harness on my b34 and its great

why has no one said anything about the doors...

and how did you plumb your brake booster? I couldnt see in the pictures