Cale 36 Report post Posted November 21, 2006 Hey guys, just a real quick question. What size speaker goes in the front of an 1989 320i 4 door? Where is that diameter measured between? Cheers. Quote Share this post Link to post Share on other sites
bravo 35 Report post Posted November 21, 2006 (edited) 5.25" You can fit 6" but need to cut the trim that goes over the speakers so they can poke through. Easy to do. Edited November 21, 2006 by bravomikewhiskey Quote Share this post Link to post Share on other sites
Gus 5 Report post Posted November 21, 2006 5 1/4? you can fit 6 1/2 if they not too deep Quote Share this post Link to post Share on other sites
