The m30 engine bay thread.

[lukeADE335i]

What mounts did you use - you seem to have an amazing amount of room at the front of the engine... wait - just realised that's an e34 :D

[ZenitramNaes]

Yep, using the 44mm turbosmart wg.






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[LowR3V'in]

Open wastegate?

[ZenitramNaes]

With the new turbo setup.



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[anthonymax007]

Is it unbecoming of me to bump this for more pics? I'm debating either an M30 or a 24v swap and I need some inspiration!

[Bearmw]

That makes sense. Now I'm even more curious about the whole motor/drivetrain choices you made. Sick build for us NA folks.

[totheredline]

Is that an E28 trans brace? I ended up using a standard E30 steel one. Why did you settle on that one?

Looks like he's running a g265 with an e30 m3 trans brace.

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[Bearmw]

Is that an E28 trans brace? I ended up using a standard E30 steel one. Why did you settle on that one?

[Van Westervelt]

The collectors will be cut and reshaped, otherwise they would run right into the passenger footwell. Its not a big deal, they were nearly straight out, they will be radiused down and TIG welded to clear everything properly with no bashing or reshaping of the tunnel needed.

The mounts and subframe take about 20-25 hours of labor to make. He is only doing a few sets as the price tag is higher than most would pay. But on this kind of build, headers are a must, so the work gets done to fit them.

[Bearmw]

Very nice work on those mounts. Those headers are attractive. I can see you selling a few of these if your into that. How is the header fit at the collectors?

[ZenitramNaes]

Wow, that's insane. Nice work there on that subframe.

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[Van Westervelt]

Not sure what conclusion others have come to, but for me.... They don't fit. Simple as that. The only offerings out there currently are Ireland engineering and shmiedmann (deff didn't spell that right.) ...

Totheredline has it right. I installed Ireland engineering headers and required a bit of coaxing, cutting, and change of some angles at the collector but it worked out. So they can be installed but they need to get cut up.

I cut up my (once $700) Sthal Headers trying to get them to fit. Lol

The Bavauto headers I used did not require the treehouse style CABs. They have plenty of clearance there with the stock ones. All they needed was a small protrusion at the back of the block ground down a bit and the usual firewall "massaging".

So I am planning on using Schmeidmann headers on m90 rebuild. They look like exact copies of the IE ones, but with nicer welds.



There is a definite fitment issue with the mounts.



Luckily I know a guy who does some bad ass metal work, and happens to be an awesome bloke and one of my best friends. I planned to have him fab up mount arms anyway, but with that hiccup, he took it all a step further. I wont be building this motor up and bolting on stock exhaust manifolds, so...

























/thread jack

[Bearmw]

The Bavauto headers I used did not require the treehouse style CABs. They have plenty of clearance there with the stock ones. All they needed was a small protrusion at the back of the block ground down a bit and the usual firewall "massaging".

[totheredline]

I cut up my (once $700) Sthal Headers trying to get them to fit. Lol

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[glnr13]

Totheredline has it right. I installed Ireland engineering headers and required a bit of coaxing, cutting, and change of some angles at the collector but it worked out. So they can be installed but they need to get cut up.

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