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MOUNTING A REMOTE COOLANT RESERVOIR

Instead of re-purposing a plastic OEM coolant reservoir, we tend to use these aluminum fabricated versions from Canton (80-202, 2 quart). These have a bung at the top (for a steam vent line) and one at the bottom (to...

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One of the more obscure failure mods of the S65 is both the valve covers flaking off coatings as well as the plastic VANOS covers getting brittle and breaking, to be chewed up by the fine meshed timing gears.



MPorium BMW Service has a lot...

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Yes, even if we have to run ballast for SCCA Max4 class, that 20 pounds of extra ballast needed after the swap would be all at floor level, and more rear biased. So in mid December 2025, Brad got out the spot weld cutter and start cutting away at the 100s of spot welds...

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This went through a couple of iterations but I'm happy with this 2nd version, which we have two poly isolators (above and below) between the DCT bit and the crossmember. We painted the DCT portion red after it was TIG welded to make it easier to see -...

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Project Update - Feb 13, 2025: Our BMW E46 GTR clone / SCCA Max 4 build is coming along nicely, and I started writing this post 10 days ago. We have done a good bit of work over the last 8 weeks on this ambitious, time crunch of a project. As always we will dive deep into the technical details, the...