2015 BMW 335i Speaker Sizes
The 2015 BMW 335i speaker size chart provides factory specifications for audio system locations and replacement speakers. Information includes speakers in the center dash, front door panels, rear deck lid, rear door panels, and below seats. Aftermarket upgrade options are available for all factory speaker locations in the audio system.
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| Location | Size | Type | Notes |
|---|---|---|---|
| Below Seats | 8 | Subwoofer |
|
| Center Dash | 1 | Tweeter |
|
| Center Dash | 4 | Midrange |
|
| Front Door Panel | 1 | Tweeter |
|
| Front Door Panel | 4 | Midrange |
|
| Rear Deck Lid | 1 | Tweeter |
|
| Rear Deck Lid | 4 | Midrange |
|
| Rear Door Panel | 1 | Tweeter |
|
| Rear Door Panel | 4 | Midrange |
|
2015 BMW 335i Speaker Replacement Summary
9
total positions
6
easy to replace
2
high priority
0
professional only
Replacement difficulty:
Low: 6 Medium: 3 High: 0Replacement priority:
High: 2 Medium: 7 Low: 02015 BMW 335i 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 2015 BMW 335i utilizes a multi-way speaker configuration with dedicated tweeters, midrange drivers, and a subwoofer positioned across different locations throughout the cabin.
- Tweeters measuring 1 inch are installed in four distinct locations: the center dash, front door panels, rear deck lid, and rear door panels, suggesting a focus on high-frequency sound distribution.
- Midrange speakers at 4 inches occupy the same four locations as the tweeters, indicating a component-style audio system rather than full-range coaxial speakers.
- The subwoofer location below the seats at 8 inches provides low-frequency reinforcement without consuming trunk space, though this placement may limit bass output compared to larger enclosures.
- Replacing the factory tweeters and midrange speakers with aftermarket component sets could potentially enhance clarity and soundstage, particularly if the original equipment has degraded over time.
- The separation of tweeters and midrange drivers across multiple zones suggests that sound staging was considered in the original audio design, with each frequency range handled by specialized drivers.
- Upgrading the 8-inch subwoofer below the seats may present spatial constraints, as replacement options would need to fit within the existing enclosure footprint.
- The radio supports both Single DIN and Double DIN head units, offering flexibility for aftermarket stereo installations or multimedia system upgrades.
- Component speaker replacements would need to match the 1-inch tweeter and 4-inch midrange specifications to ensure proper fitment in the factory mounting locations.
- The consistent speaker sizing across front and rear positions may simplify the parts selection process when planning a full speaker replacement project.