E36 turbo SXS

[Skyler97]

Okay, starting a thread on my build now. Motor is a 1996 m52. The motor has been rebuilt with low boost in mind. It has stock internals. It also has ARP head studs and a VAC Motorsports .120 head gasket. It also has a 1997 ZF 5spd transmission. Just about everything els (including electrical) is 1998. I am currently building a complete custom 2 seater tube chassis, and I am integrating as much of the 1998 doner car as possible. It’s running 35” general grabber tires on the stock 15” wheels. I don’t have the proper gearing yet but do plan to get a (5.44 gear set) To make it fun to drive. I previously was planning on using a diesel truck turbo and inter cooler on the build but a friend donated a rebuilt and balanced k26 Audi turbo (Thanks Ryan) and will just plumb it in instead. This build is all about using as much of the e36 as possible and using what I already have.

[someguy2800]

Cool, we need pictures. I am planning on doing a turbo M54 in a boat.

[Skyler97]

Will do as soon as I figure out how lol and that sounds pretty sweet.

[vollosso]

Cool, we need pictures. I am planning on doing a turbo M54 in a boat.

Hit me up if you want and I’ll set you up with an ecu for it.


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[someguy2800]

Hit me up if you want and I’ll set you up with an ecu for it.


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It will not be vanos so I'll probably just do a microsquirt.

[vollosso]

It will not be vanos so I'll probably just do a microsquirt.

Huh, why not?

I’d want to keep it..


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[Hova]

Cool, we need pictures. I am planning on doing a turbo M54 in a boat.

You had me M54 boat, but the turbo.. Now I'm drooling.

[Skyler97]

Sky car.jpg
Sky car frame.jpg

[Skyler97]

Im using a 3D cad program to help with the build. Also built a beast of a chassis jig

[someguy2800]

Huh, why not?

I’d want to keep it..


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Its not that important for the way a boat uses its powerband. I might put single vanos on it but definitely not double.

[Skyler97]

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test fit

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Cutting some of this out that isn't necessary- windows, air bags, etc..

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Ok, motor and trans are out of the car and will be cleaned up after fab work is complete and painted.

[JimsR]

Exactly the type of build I would like to do one day. Looking forward to the progress!

[Skyler97]

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I plan on having a lot of suspension travel on this thing so I am planning on running custom axle shafts and 930 cv joints. I know that they are 108mm in diameter v/s 100mm stock, but will the 930 cv bolt to the diff? I plan on building my own bearing housings at the wheels and could buy a stub if i had to-for the hub side- looks like seemslegitgarage.com sells some that bolt into the stock arm for $550 but what about the diff side? Can anyone confirm the bolt pattern?

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[Skyler97]

Okay, looks like I need different output flanges on the diff. They need to be 6x94 bolt circle and fit the medium case diff (188mm) As far as I know there is a 5 series (E34 I believe) that came with them. The problem I have been having is finding some for sale. If anyone has a pair let me know how much you want for them.

[pbonsalb]

Aren’t 94mm the M3 size?

[Skyler97]

Aren’t 94mm the M3 size?

If I’m not mistaken I think the e36 m3 is 86mm
However, the e46 m3 is 94mm, but it is a 210 diff.. so that’s not going to happen

[pbonsalb]

https://www.realoem.com/bmw/enUS/sho...diagId=33_0468

https://www.fcpeuro.com/products/bmw...m3-33212228156

[Skyler97]

https://www.realoem.com/bmw/enUS/sho...diagId=33_0468

https://www.fcpeuro.com/products/bmw...m3-33212228156

Wow, didn’t see that before! Is that a 188mm medium case diff? If so that would be great, anyone have a used set?

[Skyler97]

Okay here are some pictures

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[Mklock]

This is neat. E36 dune buggy??

[Skyler97]

This is neat. E36 dune buggy??

Yea, I plan to set it up for the desert.

[Skyler97]

Okay my wheelbase is going to be longer than what the E36 had originally, but I haven't figured out by how much. At the same time I am trying to move the weight back as far as possible. this means either (1) moving the engine and transmission back or (2) moving the front and rear tires forward. This means I would need to shorten the drive shaft. Luckily, the E36 has the 2 piece shaft, so I decided to go with both. I started with option (2) and I shortened the front Portion of the drive shaft (15 inches) to bring the wheelbase forward. Later I will shorten up the shift linkage.

[Skyler97]

Here we go, I ended up cutting the front part of the drive shaft 15''

[Skyler97]

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[Skyler97]

I used some spare brake and clutch pedals I had laying around, I think they will work out. I also had a brake booster that fit just right and used a separate reservoir for the clutch.
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