The Random E46/ZHP Question Thread

[ZHPizza]

I'm using the Antigravity ATX-30. Been very happy with it.

Antigrav gang WHATUP

My car has been sitting since you left the country, so the battery is def dead. Can't wait to just push the restart button and drive lol

[san]

Interstate AGM H7 or H8 from Costco.

Do AGM batteries need venting?


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[san]

I'm running the Interstate H5 AGM battery. It's the Mini Cooper size, since that was what they used in the CSL.

Have you had any issues with running H5 size?


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[John in VA]

Do AGM batteries need venting?

Yes.

[san]

Yes.

John, can you share a picture of how the interstate AGM battery needs to be vented? I went to Costco yesterday to purchase one but the guy at the store wasn’t sure and I saw multiple ports which looked like they could be vent ports.


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[John in VA]

John, can you share a picture of how the interstate AGM battery needs to be vented? I went to Costco yesterday to purchase one but the guy at the store wasn’t sure and I saw multiple ports which looked like they could be vent ports.

There are typically a pair of plugs at opposite ends at the edge of the top of the battery. In our trunk you'd use the one closest to the positive terminal. Here's an example: https://hhstuning.com/products/interstate-mtx-94r-h7

[san]

There are typically a pair of plugs at opposite ends at the edge of the top of the battery. In our trunk you'd use the one closest to the positive terminal. Here's an example: https://hhstuning.com/products/interstate-mtx-94r-h7

Thanks John, that helps!

So for the vent hole on the negative side, do you leave it as is or plug it?


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[John in VA]

Thanks John, that helps!
So for the vent hole on the negative side, do you leave it as is or plug it?

Plug the vent hole you're not using.

[JPMo]

Anyone have any insight, a DIY or just general advice on replacing the rear fixed glass seal on a sedan. It’s completely dry rotted and falling apart.

I see it done on coupes but no info on sedans.

Attached photo below. You can see the cracked rubber surrounding the window is like 98% missing.


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