2011 BMW Alpina B7 Speaker Sizes

The 2011 BMW Alpina B7 speaker size chart provides factory audio system specifications for replacement or aftermarket upgrade purposes. Information includes speaker locations within the vehicle: center dash, front door panel, rear deck lid, and below seats. Data covers factory specifications to assist with aftermarket audio system installations and upgrades.

As an Amazon Associate, we may earn a commission from purchases made through links marked. Read more in our disclaimer.

Speaker Details by Location
Location Size Type Notes
Below Seats 8 Subwoofer
  • Very limited height clearance
  • Medium replacement priority
  • Replacement difficulty: medium
Center Dash 1 Tweeter
  • Requires dashboard disassembly
  • Medium replacement priority
  • Replacement difficulty: medium
Center Dash 4 Midrange
  • Requires dashboard disassembly
  • Medium replacement priority
  • Replacement difficulty: medium
Front Door Panel 1 Tweeter
  • Standard installation
  • High replacement priority
  • Replacement difficulty: low
Front Door Panel 4 Midrange
  • Standard installation
  • High replacement priority
  • Replacement difficulty: low
Rear Deck Lid 1 Tweeter
  • Access through trunk
  • Medium replacement priority
  • Replacement difficulty: low
Rear Deck Lid 4 Midrange
  • Access through trunk
  • Medium replacement priority
  • Replacement difficulty: low

2011 BMW Alpina B7 Speaker Replacement Summary

7 total positions
4 easy to replace
2 high priority
0 professional only

Replacement difficulty:

Low: 4 Medium: 3 High: 0

Replacement priority:

High: 2 Medium: 5 Low: 0

Additional Notes

  • The 2011 BMW Alpina B7 utilizes a three-way speaker configuration with separate tweeters, midrange drivers, and subwoofers distributed across multiple cabin locations.
  • Tweeters measuring 1 inch are positioned in three distinct areas: the center dash, front door panels, and rear deck lid, suggesting a focus on high-frequency sound dispersion throughout the interior.
  • Midrange speakers at 4 inches occupy the same three locations as the tweeters, likely working in tandem to handle mid-frequency reproduction.
  • The below-seat placement of 8-inch subwoofers may provide low-frequency output while conserving visible cabin space and potentially reducing interference with passenger comfort.
  • Replacement efforts might prioritize the midrange drivers and tweeters in the front door panels and center dash, as these positions typically contribute most directly to the primary listening area.
  • The matching sizes across all tweeter locations and all midrange locations could simplify the replacement process when sourcing aftermarket components.
  • Component speakers that separate tweeters from midrange drivers would align with this factory configuration, potentially allowing for targeted upgrades to specific frequency ranges.
  • Sound staging might benefit from the elevated tweeter positions in the dash and deck lid, which can enhance spatial clarity in audio reproduction.