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5.25" rear speaker adapter for BMW 318ti e36 compact e36c preview
Interior

5.25" rear speaker adapter for BMW 318ti e36 compact e36c

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Description

The rear speakers were blown in my car. They're an odd size, and not easy to directly replace. I found there's a bracket, SAK-1203 to mount 5.25" speakers in the rear without modifying the car. Those adapters aren't easily available in the US, and they're rather expensive. I've made my own adapter, and now the replacement speakers are installed.

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Published Jun 26, 2026Updated Sep 25, 2026

Originally published on thingiverse.com by Andrew Curtin (adcurtin) · License: CC BY-NC-SA

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