Repair of Old Connectors for BMW E30, E36, and E46

admin | 01.12.2025

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Repair old connectors commonly found on BMW E30, E36, and E46 vehicles with loose terminals. The rubber coating on the terminals tends to deteriorate, which can cause them to fall out of the housing or fail to make a secure connection.

This replacement terminal housing is made of two parts and fits snugly onto the terminal once the old cover is removed.

First, apply a small amount of RTV silicone to the connector to glue the housing in place and make the connection waterproof.
Print both pieces vertically so they are perfectly round.