Rear-Shelf 4×6-to-6.5-Inch Speaker Adapter

Print it yourself. Or let a maker help.

Download the file to print yourself, or choose a community maker.

Fitment: 3 Series · E21
Years: 1975–1983
Materials: ABS, PETG
License: CC-BY
Downloads: 0
Contributor: martin check (cwf95gsx)

About this part

Adapter for fitting most 6.5-inch speakers at the factory 4×6 rear-shelf positions of a 1981 BMW E21 320i without cutting new holes. The creator reports successful physical fit and sound. Check magnet depth, shelf clearance, fastener security and wiring before installation.

Brand specialist

For the most focused BMW experience, use the dedicated storefront.

View this BMW part on bimmer3dparts.com