2013 BMW 640i Speaker Sizes
The 2013 BMW 640i speaker size chart details factory audio system specifications and locations for replacement or aftermarket upgrade purposes. Information covers front door panel speakers, center dash speakers, rear deck lid speakers, rear side panel speakers, and below-seat speakers. Data includes specifications for all factory speaker positions to assist with component replacement or aftermarket audio system upgrades.
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 |
|
| 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 |
|
2013 BMW 640i 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 2013 BMW 640i utilizes a multi-way speaker system with dedicated tweeters, midrange drivers, and a subwoofer positioned across various locations throughout the cabin.
- All tweeter locations accept 1-inch units, which are distributed among the center dash, front door panels, rear deck lid, and rear side panels.
- The 4-inch midrange speakers occupy the same locations as the tweeters, suggesting a component-style arrangement where different frequency ranges are handled by separate drivers in close proximity.
- An 8-inch subwoofer is positioned below the seats, which handles low-frequency reproduction separately from the smaller midrange and tweeter units.
- Replacement speakers for the 2013 BMW 640i would need to match the size specifications at each location to ensure proper fitment within the existing mounting points.
- The tweeter positions could potentially benefit from aftermarket units designed to handle higher frequencies with improved clarity, given that 1-inch drivers are specifically tasked with treble reproduction.
- Upgrading the 4-inch midrange speakers might provide noticeable improvements in vocal and instrumental reproduction, as these drivers handle the critical mid-frequency range where much musical content resides.
- The under-seat subwoofer location may present constraints for replacement options due to space limitations, though 8-inch aftermarket subwoofers are widely available in various depth configurations.
- Component speaker systems designed for this application would likely offer separate crossover networks to properly direct frequencies to the appropriate drivers across the tweeter and midrange positions.