2013 BMW 640i Speaker Sizes
The 2013 BMW 640i factory audio system features center dash, front door panel, rear deck lid, and rear side panel locations that accommodate 1 inch speakers, 4 inch speakers, and a 1-inch speaker size. Below seats locations accept 8 inch units. Compatible types for audio replacement and upgrade consist of 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 |
|
| 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.