2015 BMW 550i Speaker Sizes
The 2015 BMW 550i speaker size chart details factory speaker specifications and locations throughout the audio system. Information covers replacement sizes for speakers in the center dash, front door panel, rear deck lid, rear door panel, and below seats. Aftermarket upgrade options are based on factory specifications for each location.
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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 |
|
2015 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: 02015 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 2015 BMW 550i utilizes a component speaker configuration with separate tweeters and midrange drivers distributed throughout the cabin, which may allow for more precise soundstage control compared to full-range coaxial speakers.
- Tweeters are positioned in four locations including the center dash, front door panels, rear deck lid, and rear door panels, potentially providing high-frequency coverage for both front and rear passengers.
- Midrange drivers share the same four mounting locations as the tweeters, suggesting a possible two-way component system architecture in each zone.
- The subwoofer location below the seats might present space constraints for aftermarket replacement options, though the 8-inch specification indicates moderate bass extension capability.
- Replacing the factory tweeters could be prioritized for those seeking improved high-frequency clarity, as these smaller drivers tend to influence vocal presence and instrumental detail.
- The 4-inch midrange speakers handle the critical middle frequencies where most musical and vocal content resides, making them potentially significant candidates for upgrade consideration.
- Component speakers typically require external crossovers to divide frequencies between tweeters and midrange drivers, which may need to be addressed when selecting aftermarket replacements for the 2015 BMW 550i.
- The single DIN radio specification suggests a standard-sized head unit opening, which could accommodate various aftermarket receiver options if source unit replacement is considered alongside speaker upgrades.
- Matching impedance and power handling characteristics between new speakers and the existing amplifier would likely be necessary to maintain system compatibility and avoid potential damage.
- The distributed speaker layout across eight separate locations plus subwoofer may require individual attention to each position for a comprehensive sound system upgrade.