2017 BMW 650i Speaker Sizes
The 2017 BMW 650i factory audio system features center dash, front door panel, rear deck lid, and rear side panel locations that accommodate 1 inch speakers and 4 inch units, while below seats locations support an 8 inch speaker size. Compatible speaker types for replacement and upgrade include tweeter, midrange, and subwoofer units.
Specific details regarding locations, speaker sizes, and types are outlined in the compatibility chart.
| Location | Size | Type | Notes |
|---|---|---|---|
| Below Seats | 8 | Subwoofer |
|
| Center Dash | 4 | Midrange |
|
| Center Dash | 1 | Tweeter |
|
| Front Door Panel | 1 | Tweeter |
|
| Front Door Panel | 4 | Midrange |
|
| Rear Deck Lid | 1 | Tweeter |
|
| Rear Deck Lid | 4 | Midrange |
|
| Rear Side Panel | 1 | Tweeter |
|
| Rear Side Panel | 4 | Midrange |
|
2017 BMW 650i Speaker Replacement Summary
9
total positions
4
easy to replace
2
high priority
0
professional only
Replacement difficulty:
Low: 4 Medium: 5 High: 0Replacement priority:
High: 2 Medium: 5 Low: 2Additional Notes
- The 2017 BMW 650i audio system uses a three-way speaker configuration with dedicated tweeters, midrange drivers, and subwoofers distributed across multiple locations throughout the cabin.
- All tweeter positions accept 1-inch units, which handle high-frequency reproduction across the center dash, front door panels, rear deck lid, and rear side panels.
- Midrange speakers measure 4 inches across the same four locations, creating a consistent frequency layer between the tweeters and subwoofer for vocal and instrumental clarity.
- A single 8-inch subwoofer location exists below the seats, providing low-frequency output to complement the smaller drivers.
- Replacing the factory tweeters and midrange speakers with aftermarket components may enhance tonal accuracy and dynamic range, though the existing three-way design already separates frequencies more effectively than typical two-way systems.
- The multiple tweeter and midrange locations suggest a focus on creating an even soundstage rather than concentrating audio sources in just the front doors.
- Aftermarket component sets with separate 1-inch tweeters and 4-inch midrange drivers would align with the factory configuration, potentially simplifying installation compared to coaxial designs.
- The below-seat subwoofer position may limit installation options for larger aftermarket subwoofers, though it likely preserves trunk space compared to traditional rear-mounted configurations.