2013 BMW 740i Speaker Sizes
The 2013 BMW 740i factory audio system includes specific locations configured with designated components, where the center dash, front door panel, rear deck lid, and rear door panel accommodate 4 inch speakers, and below seats accepts an 8 inch speaker size. Additionally, center dash, front door panel, rear deck lid, and rear door panel support 1 inch units, whereas below seats accommodates subwoofers. Compatible speaker types for replacement and upgrade applications consist of tweeters, midranges, 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 | 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 |
|
2013 BMW 740i 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: 02013 BMW 740i Radio Slot Size (DIN)
| DIN Type | Size (inch) | Size (mm) | Notes |
|---|---|---|---|
| Single DIN | 7"×2" | 180×50 | Standard size for basic car radios with small display or no display |
- Always measure the slot before purchasing a new radio
- Check slot depth - it may vary
Additional Notes
- The 2013 BMW 740i contains a multi-component speaker system with dedicated frequency ranges, suggesting that replacing individual components may require attention to the full-range configuration to maintain proper sound staging and tonal balance across the cabin.
- Tweeters are positioned in four separate locations throughout the vehicle, which could indicate a focus on high-frequency dispersion and may benefit from matched impedance and sensitivity ratings when selecting replacement units.
- Midrange drivers at 4 inches are distributed across the same four locations as the tweeters, potentially forming component-style pairs that handle mid-frequency reproduction separately from both high and low frequencies.
- The subwoofer location below the seats in the 2013 BMW 740i may present spatial constraints that could affect enclosure design and potentially limit the effective cone excursion of replacement drivers.
- Sound improvement efforts might prioritize the midrange drivers, as these typically handle the most perceptually critical frequency range for vocals and instrumental clarity in a multi-way system.
- The single DIN radio configuration suggests a standard head unit size that may allow for aftermarket receiver upgrades without extensive dashboard modification, though integration with existing amplification would need consideration.
- The distribution of tweeters and midrange speakers across front and rear zones could indicate a factory system designed with specific crossover points that aftermarket components would need to accommodate for optimal frequency response.
- Replacing the 8-inch subwoofer might require attention to power handling specifications, as the below-seat mounting location could involve a dedicated amplifier channel with specific output characteristics.