2012 BMW 550i GT Speaker Sizes
The 2012 BMW 550i GT speaker size chart provides factory specifications for OEM and aftermarket audio system components. Information includes locations throughout the vehicle: c-pillar, center dash, front door panel, rear door panel, and below seats. Data covers replacement speaker specifications for upgrading factory audio system components with aftermarket alternatives.
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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 |
|
2012 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: 22012 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 2012 BMW 550i GT employs a multi-component speaker system with dedicated tweeters, midrange drivers, and subwoofers distributed across multiple locations throughout the cabin.
- One-inch tweeters are positioned in four separate locations: the C-pillar, center dash, front door panels, and rear door panels, suggesting a design focused on high-frequency dispersion.
- Four-inch midrange speakers mirror the tweeter placement pattern, occupying the same four locations to handle mid-frequency reproduction.
- The below-seat location accommodates an 8-inch subwoofer for low-frequency output, which may provide bass reinforcement without consuming traditional trunk or cargo space.
- This factory configuration indicates a component-style setup rather than coaxial speakers, with separate drivers handling distinct frequency ranges.
- Aftermarket upgrades might prioritize the midrange speakers first, as 4-inch drivers typically handle the most prominent vocal and instrumental frequencies in music reproduction.
- The tweeter locations in both front and rear doors could allow for soundstage adjustment when replacing factory units with aftermarket alternatives.
- Single DIN radio fitment suggests limited vertical space in the head unit cavity, which may influence options for aftermarket receiver upgrades.
- The distributed speaker layout across eight locations plus the subwoofer indicates a factory system designed for surround-sound or spatial audio processing.
- Replacing the 4-inch midrange drivers could yield noticeable improvements in clarity and detail, particularly if the factory units use paper cones or lower-grade materials.