2009 BMW 650i Speaker Sizes
The 2009 BMW 650i speaker size chart presents factory specifications for audio components throughout the vehicle. Locations include front door panels, rear side panels, center dash, rear deck lid, and below seats. Information covers replacement and aftermarket upgrade options for each position within the factory audio system.
As an Amazon Associate, we may earn a commission from purchases made through links marked. Read more in our disclaimer.
| Location | Size | Type | Notes |
|---|---|---|---|
| Below Seats | 8 | Subwoofer |
|
| Center Dash | 4 | Midrange |
|
| Front Door Panel | 1 | Tweeter |
|
| Front Door Panel | 4 | Midrange |
|
| Rear Deck Lid | 4 | Midrange |
|
| Rear Side Panel | 1 | Tweeter |
|
| Rear Side Panel | 4 | Midrange |
|
2009 BMW 650i Speaker Replacement Summary
7
total positions
3
easy to replace
2
high priority
0
professional only
Replacement difficulty:
Low: 3 Medium: 4 High: 0Replacement priority:
High: 2 Medium: 3 Low: 2Additional Notes
- The 2009 BMW 650i audio system incorporates a multi-driver configuration with distinct speaker types distributed across seven locations throughout the cabin.
- Tweeters at 1 inch are positioned in both front door panels and rear side panels, likely handling high-frequency reproduction above the crossover point.
- Four separate 4 inch midrange locations exist in the center dash, front door panels, rear deck lid, and rear side panels, suggesting a distributed approach to midrange frequency coverage.
- The front door panels house both 1 inch tweeters and 4 inch midrange drivers, indicating a component-style separation at the primary listening positions.
- An 8 inch subwoofer location below the seats provides low-frequency extension, though this mounting position may affect bass output characteristics compared to traditional trunk installations.
- Upgrading the midrange drivers could potentially yield noticeable improvements given their presence in four separate locations throughout the cabin.
- The tweeter locations in both front and rear positions suggest the factory system attempts to maintain high-frequency presence for all seating positions.
- Aftermarket component sets would need to account for the existing tweeter and midrange separation already built into the door panel architecture.
- The center dash midrange placement may serve dialogue clarity functions or contribute to soundstage width depending on system tuning.
- Replacement speakers would need to match the specific size constraints, particularly the 4 inch midrange openings which limit driver selection compared to larger formats.