2014 BMW 550i Speaker Sizes
The 2014 BMW 550i speaker size chart displays factory audio system specifications and locations for replacement or aftermarket upgrade purposes. Information includes speaker locations in the center dash, front door panel, rear deck lid, rear door panel, and below seats. Each entry provides specifications needed when replacing factory speakers with aftermarket audio components.
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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 550i 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 550i Radio Slot Size (DIN)
| DIN Type | Size (inch) | Size (mm) | Notes |
|---|---|---|---|
| Single DIN | 7"×2" | 180×50 | Standard size for basic car radios with small display or no display |
- Always measure the slot before purchasing a new radio
- Check slot depth - it may vary
Additional Notes
- The 2014 BMW 550i employs a multi-driver speaker configuration with distinct size allocations for different frequency ranges across the cabin.
- One-inch tweeters are positioned in multiple locations including the center dash, front door panels, rear deck lid, and rear door panels to handle high-frequency reproduction.
- Four-inch midrange drivers occupy the same general locations as the tweeters, creating a distributed sound system throughout the vehicle's interior.
- An eight-inch subwoofer is located below the seats to provide low-frequency output for the audio system.
- The separation of speaker types by size and frequency range suggests a component-style audio architecture rather than full-range coaxial speakers.
- Upgrading the tweeters might be considered lower priority since these smaller drivers typically handle frequencies where human hearing is most sensitive and factory units often perform adequately.
- The midrange drivers could be primary candidates for replacement, as these handle the bulk of vocal and instrumental content where aftermarket options may offer noticeable improvements.
- The subwoofer location below the seats may present space constraints that could limit replacement options to shallow-mount or similarly compact designs.
- Component speaker systems designed for the 2014 BMW 550i would need to match the existing size configuration with separate tweeter and midrange elements.
- The single DIN radio opening provides standard installation dimensions for head unit replacement if the audio source component requires updating.
- Replacing all speaker locations simultaneously would require multiple sets of one-inch tweeters, four-inch midrange drivers, and a compatible eight-inch subwoofer.
- The four-inch midrange size is somewhat less common than larger formats like 6.5 or 5.25 inches, which might affect the range of available aftermarket options.