2011 BMW 750i Speaker Sizes
The 2011 BMW 750i factory audio system features a center dash, front door panel, rear deck lid, and rear door panel that accommodate 1 inch speakers and 4 inch speakers, alongside locations below seats supporting an 8 inch speaker size. Compatible speaker types for system 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 | 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 |
|
2011 BMW 750i 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: 02011 BMW 750i 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 2011 BMW 750i factory audio system utilizes a three-way component speaker configuration with dedicated tweeters, midrange drivers, and subwoofers distributed across multiple locations throughout the cabin.
- Tweeters measuring 1 inch are positioned in four distinct locations including the center dash, front door panels, rear deck lid, and rear door panels, suggesting a factory design intended to distribute high-frequency sound throughout the listening environment.
- Midrange drivers at 4 inches occupy the same four locations as the tweeters, indicating a probable component speaker setup where separate frequency ranges are handled by dedicated drivers rather than full-range coaxial units.
- The below-seats location houses 8-inch subwoofers, which may provide low-frequency reinforcement without requiring trunk space allocation or visible installation.
- Replacement speakers would need to match the existing three-way configuration to maintain proper frequency distribution, though aftermarket component sets could potentially simplify the system while maintaining or improving sound quality.
- The single DIN radio opening suggests that head unit upgrades may be limited to compact aftermarket receivers or might require adapter kits to accommodate larger double DIN units.
- The multiple tweeter and midrange locations could allow for staged upgrades, where owners might prioritize front door components first before addressing rear locations or the subwoofer position.
- Component speaker replacements in the 1-inch and 4-inch sizes would need to consider depth clearance and mounting compatibility, as factory locations in door panels and deck lids often have spatial constraints.