Originally Posted by Technic
1. Your E90 front doors accept speakers or up to 54mm deep. The Morel are 50mm deep.
I always wondered if a 54mm would fit. Have you actually fitted one that deep? Was it a Hybrid L4? When I looked at that particular speaker I thought it might have enough room depth wise but the phase plug looked like it stuck out too far and would hit the OEM grill.