2014 BMW 550i GT Speaker Sizes
The 2014 BMW 550i GT speaker size chart displays factory speaker specifications and locations throughout the vehicle audio system. Information covers replacement speaker sizes for C-pillar, center dash, front door panel, rear door panel, and below seats positions. Details support aftermarket speaker upgrade planning by identifying OEM speaker configurations installed in each location.
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| Location | Size | Type | Notes |
|---|---|---|---|
| Below Seats | 8 | Subwoofer |
|
| C-Pillar | 1 | Tweeter |
|
| C-Pillar | 4 | Midrange |
|
| Center Dash | 1 | Tweeter |
|
| Center Dash | 4 | Midrange |
|
| Front Door Panel | 1 | Tweeter |
|
| Front Door Panel | 4 | Midrange |
|
| Rear Door Panel | 1 | Tweeter |
|
| Rear Door Panel | 4 | Midrange |
|
2014 BMW 550i GT Speaker Replacement Summary
9
total positions
4
easy to replace
2
high priority
2
professional only
Replacement difficulty:
Low: 4 Medium: 3 High: 2Replacement priority:
High: 2 Medium: 5 Low: 22014 BMW 550i GT 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 GT features a factory audio system with dedicated speaker locations organized by frequency range, separating tweeters, midrange drivers, and subwoofers into distinct mounting positions throughout the cabin.
- Tweeters measuring 1 inch are installed across multiple locations including the C-pillar, center dash, front door panels, and rear door panels, suggesting a multi-point high-frequency distribution design.
- Midrange speakers at 4 inches occupy the same general locations as the tweeters (C-pillar, center dash, front door panels, and rear door panels), indicating a component speaker configuration rather than coaxial units.
- The separation of tweeters and midrange drivers into distinct sizes and locations reflects a component speaker architecture that may allow for targeted upgrades based on desired frequency response improvements.
- An 8-inch subwoofer positioned below the seats handles low-frequency reproduction, a mounting location that may provide space-efficient bass reinforcement while preserving cargo area.
- Replacing the factory 4-inch midrange speakers could potentially yield noticeable improvements in vocal clarity and mid-frequency detail, as this size typically handles much of the audible spectrum in automotive audio systems.
- The 1-inch tweeter locations spread throughout the cabin suggest that high-frequency staging and imaging characteristics might be altered through aftermarket tweeter upgrades with different dispersion patterns.
- Upgrading the under-seat subwoofer to an aftermarket 8-inch unit with higher power handling and lower frequency extension could enhance bass output without requiring modifications to the mounting location.
- The single DIN radio opening provides standard compatibility with many aftermarket head units, though integration with factory systems may require additional adapters or interfaces.
- Component speaker upgrades targeting the 4-inch midrange positions might offer more substantial sonic improvements than tweeter replacement alone, given the broader frequency range these drivers typically reproduce.