2014 BMW 320i Speaker Sizes
The 2014 BMW 320i speaker size chart provides factory specifications for audio system components across multiple locations. Information includes replacement speaker sizes for the center dash, front door panel, rear deck lid, rear door panel, and below seats. Aftermarket upgrade options are detailed for each speaker location within the factory audio system.
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| Location | Size | Type | Notes |
|---|---|---|---|
| Below Seats | 8 | Subwoofer |
|
| Center Dash | 1 | Tweeter |
|
| Center Dash | 4 | Midrange |
|
| Front Door Panel | 1 | Tweeter |
|
| Front Door Panel | 4 | Midrange |
|
| Rear Deck Lid | 1 | Tweeter |
|
| Rear Deck Lid | 4 | Midrange |
|
| Rear Door Panel | 1 | Tweeter |
|
| Rear Door Panel | 4 | Midrange |
|
2014 BMW 320i Speaker Replacement Summary
9
total positions
6
easy to replace
2
high priority
0
professional only
Replacement difficulty:
Low: 6 Medium: 3 High: 0Replacement priority:
High: 2 Medium: 7 Low: 02014 BMW 320i Radio Slot Size (DIN)
| DIN Type | Size (inch) | Size (mm) | Notes |
|---|---|---|---|
| Single DIN or Double DIN | 7"×2" or 7"×4" | 180×50 or 180×100 | Vehicle supports both radio sizes |
- Always measure the slot before purchasing a new radio
- Check slot depth - it may vary
Additional Notes
- The 2014 BMW 320i incorporates a multi-way speaker configuration with separate tweeters and midrange drivers distributed across multiple cabin locations, suggesting a factory setup designed for frequency-specific sound reproduction rather than full-range coaxial speakers.
- Tweeters of 1 inch size are positioned in four distinct locations including the center dash, front door panels, rear deck lid, and rear door panels, potentially providing wide dispersion of high-frequency audio throughout the cabin.
- The 4 inch midrange speakers mirror the tweeter placement pattern across the same four locations, which may indicate a component-style system where different frequency ranges are handled by dedicated drivers in each zone.
- An 8 inch subwoofer location below the seats addresses low-frequency reproduction, though this positioning under seating might present some limitations for direct sound projection compared to trunk-mounted alternatives.
- Aftermarket speaker upgrades would likely need to maintain the component speaker approach with separate tweeters and midrange units, as the factory locations are configured for this type of installation rather than coaxial replacements.
- The radio accepts both single DIN and double DIN head units, offering flexibility for audio system modernization while maintaining compatibility with the existing speaker infrastructure.
- Sound improvement efforts might prioritize replacing the 4 inch midrange drivers first, as these handle the critical midrange frequencies where much vocal and instrumental content resides in typical music playback.
- The relatively small 4 inch size of the midrange speakers could limit low-midrange output, making the subwoofer positioning and performance particularly relevant for achieving balanced full-range sound.