2012 BMW 335is Speaker Sizes
The 2012 BMW 335is speaker size chart lists factory speaker locations and specifications for aftermarket replacement purposes. Information covers front door panel, rear side panel, center dash, rear deck lid, and below seats positions. Data includes audio system specifications to assist with upgrade planning for replacement speakers in factory locations.
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| 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 | 0.75 | Tweeter |
|
| Rear Side Panel | 4 | Midrange |
|
2012 BMW 335is 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: 22012 BMW 335is Radio Slot Size (DIN)
| DIN Type | Size (inch) | Size (mm) | Notes |
|---|---|---|---|
| Single DIN or Double DIN | 7"×2" or 7"×4" | 180×50 or 180×100 | Vehicle supports both radio sizes |
- Always measure the slot before purchasing a new radio
- Check slot depth - it may vary
Additional Notes
- The 2012 BMW 335is factory audio configuration incorporates a multi-component speaker arrangement with dedicated tweeters, midrange drivers, and subwoofers positioned throughout the cabin, suggesting a premium factory system design that may benefit from component-style aftermarket replacements rather than coaxial units.
- Front door panels house both 1-inch tweeters and 4-inch midrange speakers, indicating a two-way component setup in the front stage that could be upgraded with matching aftermarket components to maintain the separated high and mid-frequency reproduction.
- The 0.75-inch tweeters located in the rear side panels represent the smallest driver size in the system and typically handle the highest frequencies, which might be the first candidates for replacement if treble response has degraded or sounds harsh.
- Four separate 4-inch midrange locations exist across the center dash, front doors, rear deck lid, and rear side panels, creating multiple opportunities for tonal improvements through speaker upgrades while maintaining the factory mounting points.
- An 8-inch subwoofer positioned below the seats handles low-frequency output, and this under-seat placement often limits bass extension compared to larger enclosures, though replacement options would need to accommodate the same spatial constraints.
- The presence of both Single DIN and Double DIN radio compatibility in the 2012 BMW 335is provides flexibility for head unit upgrades, which could work in conjunction with speaker replacements to enhance overall system power and processing capabilities.
- The factory tweeter sizes of 0.75 and 1 inch follow standard automotive component speaker conventions, making aftermarket compatibility relatively straightforward for those specific frequency range reproducers.
- Midrange speakers dominating the configuration with six 4-inch drivers suggests the factory system emphasizes vocal clarity and mid-frequency detail, characteristics that could be further refined with aftermarket drivers featuring higher sensitivity ratings or improved cone materials.