Metra 82-9303 5.25 Inch Speaker Adapters for BMW 3-Series

Metra 82-9303 is a speaker adapter plate pair for BMW 3-Series 1999-2010 5.25-inch speaker applications. It helps mount 5.25-inch aftermarket speakers while using the factory speaker location for a cleaner installation.

Key Features

• Speaker adapter plate pair for BMW 3-Series 1999-2010 5.25-inch speaker applications
• Designed for installing 5.25-inch aftermarket speakers
• Mounts to compatible factory speaker locations
• Helps reduce fabrication compared with fully custom speaker mounting
• Sold as a pair for matching speaker locations

System / Wiring Notes

• Metra’s current product page identifies this adapter as a BMW 3-Series 1999-2010 5.25-inch application, but the current vehicle application tab does not publish a year/make/model list.
• Confirm the aftermarket speaker size, basket depth, and mounting pattern before installation
• Factory speaker location, door panel clearance, and trim-level audio equipment can affect installation
• Speaker wiring harnesses may be required separately unless supplied with the speaker or vehicle installation package

Vehicle Compatibility

• Metra’s current product page does not list specific year/make/model vehicle applications for this adapter. Verify exact vehicle fitment in the Metra Vehicle Fit Guide before purchase.

Installation Notes

• Confirm exact vehicle fitment, speaker size, speaker location, and factory mounting style before installation
• Additional speaker harnesses, mounting hardware, sound treatment, or fabrication may be required depending on the vehicle and speaker being installed
• Professional installation is recommended for best results

What’s in the Box

• Metra 82-9303 speaker adapter plate pair

Technical Specifications

• Brand: Metra
• Model: 82-9303
• Product Type: Speaker adapter plates
• Application: BMW 3-Series 1999-2010 5.25-inch speaker applications
• Compatibility Type: Application-specific; current fitment list not published
• Speaker Size: 5.25-inch
• Quantity: Two adapter plates

Identifiers & Packaging

• MPN: 82-9303
• UPC: 86429307418
• Sold As: Pair
• Included Components: Two speaker adapter plates

Why Buy From MCOR Automotive

• Authorized retailer for the brands we sell
• Specialists in vehicle audio integration, radio replacement parts, and installation accessories
• 22+ years of professional automotive electronics experience
• Expert support for compatibility verification and proper setup