What size are speakers in rear deck in BMW E46 Sedan?

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BMW E46 Sedan Rear Deck Speakers Guide

Standard Specifications

• Size: 5.25" (13 cm) round speakers
• Impedance: 4 ohms
• Power handling: Varies depending on the factory system

Replacement Options

1. Direct Fit Replacements

• 5.25" round speakers
• Easy installation, no modifications required
• Wide variety of options available

2. 6.5" Round Speakers

• Slightly larger upgrade option
• Potential for improved bass response
• May require minor modifications or adapter rings

Adapters and Mounting

For 5.25" Speakers:

• Direct fit, no adapters needed in most cases
• Some aftermarket options may require spacer rings for proper depth

For 6.5" Speakers:

• Use 6.5" to 5.25" adapter rings
• May require slight modification of the mounting area
• Ensure proper sealing to maintain sound quality

Installation Guide

1. Remove the rear seat cushion (usually unclips or unbolts)
2. Remove the rear deck cover (typically held by clips or screws)
3. Disconnect and remove the old speakers
4. If using 6.5" speakers, install adapter rings
5. Connect new speakers to the factory wiring (may require speaker wire adapters)
6. Mount new speakers securely
7. Test the system before reassembling
8. Reinstall the rear deck cover and seat cushion

Tips and Considerations

• Check your specific E46 model year for any variations
• Consider upgrading the front speakers for balanced sound
• Adding sound deadening material can improve overall audio quality
• If using 6.5" speakers, ensure they don't interfere with the rear window operation
• For best results, match the new speakers' impedance to the factory system

Recommended Brands

• JL Audio
• Focal
• Hertz
• Alpine
• Rockford Fosgate