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      01-27-2026, 11:52 AM   #22
F4rmost
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Drives: E92 M3, E90 335D
Join Date: Jul 2024
Location: VA

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Quote:
Originally Posted by amg6975 View Post
You can just get a smaller 'H' size battery. I think the tray has mount points for H6-H8. I made a little extension that bolts to the factory mounts so I can get an H4 in there. With the interior stripped a bit it works just like OEM and is much smaller/lighter without the hassles of a Lithium battery.
Does the H4 have any issues starting the v8?

I would like something lighter, but I am not spending $1,000 on a battery (antigrav).
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