2013 BMW 320i Speaker Sizes
The 2013 BMW 320i speaker size chart provides factory specifications for OEM and aftermarket audio system components. Details include replacement speaker locations in the center dash, front door panel, rear deck lid, rear door panel, and below seats. Information covers factory-installed speaker specifications to assist with aftermarket audio upgrade planning.
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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 |
|
2013 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: 02013 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 2013 BMW 320i uses a multi-driver speaker configuration with dedicated tweeters, midrange drivers, and a subwoofer positioned across multiple locations throughout the cabin.
- Tweeters measuring 1 inch are installed in four distinct locations: the center dash, front door panels, rear deck lid, and rear door panels, suggesting a focus on high-frequency dispersion throughout the vehicle.
- Midrange drivers at 4 inches occupy the same four locations as the tweeters, indicating a component-style setup where frequencies are divided between separate speaker elements rather than using full-range coaxial speakers.
- The subwoofer location below the seats at 8 inches provides low-frequency output without consuming trunk space, though this placement may limit the size of aftermarket subwoofer options.
- Replacing the factory tweeters and midrange speakers with aftermarket components could improve clarity and detail in the mid and high frequencies, particularly if the original drivers have deteriorated over time.
- The component speaker configuration allows for targeted upgrades, where owners might choose to replace only the tweeters or only the midrange drivers depending on which frequency range needs improvement.
- The radio opening accepts both single DIN and double DIN head units, providing flexibility for aftermarket stereo installation without requiring dash modifications.
- Upgrading the 8-inch under-seat subwoofer might be constrained by the limited space in that location, potentially requiring a shallow-mount design to fit properly.
- The symmetrical speaker layout between front and rear locations suggests balanced sound staging was a consideration in the factory audio system design.