Contrary to popular here Description aperture fits precisely without rework in any E46. The panel is high-quality and super sits on the bay, the radio can be securely fastened. However, after installation fits the dashboard trim strip (Alu / burl wood, etc.) no longer off without removing material there (file), since the installation mask is higher and steeper than the BMW radio. The Dietz-aperture may be the best alternative, it is not easily fit though.
