2012 BMW 550i GT Speaker Sizes
The factory audio system for the 2012 BMW 550i GT integrates specific mounting locations, where the center dash, front door panel, rear door panel, and c-pillar accommodate 1 inch speakers and 4 inch speakers, while the below seats area supports an 8 inch speaker size. Compatible speaker types for a replacement and upgrade include tweeters, midrange units, and subwoofers.
Specific details regarding locations, speaker sizes, and types are outlined in the compatibility chart.
| 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.