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1988 Comanche BMW M57 Swap, Rear Coils, Bobbed


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Started putting the front axle on the car, today I tried to mount the tie rod thing, it hits the control arms with patrols dumb location of it :D

 

Need to make some kind of high steer, 3d printing it before cutting this time. 

 

 

image.png

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I had welded my old rims to fit the new bolt pattern, but at around 110–120 km/h, the car started to wobble a bit.

Today, I went to check out some new rims and a set of 38.5" Super Swampers. When I got there, the guy had a set of 40" Cooper tires already mounted on the rims. He wasn’t planning to sell them—but I managed to convince him. So now I'm rolling on 40s! 😄

 

 

My old rims

image.png.3ec9bb61e18393ed90c628de5acc620a.png

image.png.395747f37925491dc8081d8d349d2ad1.png

 

and new ones, got to weld beadlocks on them but as sweden offroad tour is starting tomorrow I do not have time.

image.png.d64252f20f32bd82a1f555e702d2cdcd.png

 

 

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This weekend my project on moving the rear axle forwards abit so I get the same wheelbase as a shortbed will start.

 

also bought a new steering hydro assist thing, found the part from a tractor. 

 image.jpeg.d49203fbc3385e69a6ad9954359d477a.jpeg

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On 8/9/2025 at 12:07 AM, colthrax said:

After sweden offroad tour, my dad with his 35's did not like driving with me :D He has started to prototype dana30 bolt on portals because of it now

 

 image.png.5906cd73bb895dba20bef1dc62d32df0.png

 

I've always wondered how badly that extra leverage will wear the ball joints. 

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5 hours ago, A-man930 said:

 

I've always wondered how badly that extra leverage will wear the ball joints. 

I hope it won't be any problem :D

But it's a slow side project, just decided on gears instead of chain in them so it has to be redone. Printed a working model in 1:1 size with a chain and that worked. But finding a chain was hard...

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And here we go…
I should have done this from the start instead of just cutting the rear of the bed.

I’m moving the rear axle forward by 17.5 cm to match a shortbed wheelbase. When I cut the bed, it ended up with shortbed dimensions, so now I also need to move the wheel opening forward and fill in the section behind it.

 

image.jpeg.f8d13487d09d8817eec48e6cf6249c70.jpeg

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