2017 BMW 650i Speaker Sizes

The speaker size chart for the 2017 BMW 650i lists factory audio system specifications and locations. Information covers replacement speakers in the center dash, front door panel, rear deck lid, rear side panel, and below seats. Data includes speaker sizes and locations to facilitate aftermarket speaker upgrade planning based on factory system configurations.

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Speaker Details by Location
Location Size Type Notes
Below Seats 8 Subwoofer
  • Very limited height clearance
  • Medium replacement priority
  • Replacement difficulty: medium
Center Dash 4 Midrange
  • Requires dashboard disassembly
  • Medium replacement priority
  • Replacement difficulty: medium
Center Dash 1 Tweeter
  • 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
Rear Side Panel 1 Tweeter
  • Requires trim removal
  • Medium replacement priority
  • Replacement difficulty: medium
Rear Side Panel 4 Midrange
  • Requires trim removal
  • Medium replacement priority
  • Replacement difficulty: medium

2017 BMW 650i Speaker Replacement Summary

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

Replacement difficulty:

Low: 4 Medium: 5 High: 0

Replacement priority:

High: 2 Medium: 5 Low: 2

Additional Notes

  • The 2017 BMW 650i audio system uses a three-way speaker configuration with dedicated tweeters, midrange drivers, and subwoofers distributed across multiple locations throughout the cabin.
  • All tweeter positions accept 1-inch units, which handle high-frequency reproduction across the center dash, front door panels, rear deck lid, and rear side panels.
  • Midrange speakers measure 4 inches across the same four locations, creating a consistent frequency layer between the tweeters and subwoofer for vocal and instrumental clarity.
  • A single 8-inch subwoofer location exists below the seats, providing low-frequency output to complement the smaller drivers.
  • Replacing the factory tweeters and midrange speakers with aftermarket components may enhance tonal accuracy and dynamic range, though the existing three-way design already separates frequencies more effectively than typical two-way systems.
  • The multiple tweeter and midrange locations suggest a focus on creating an even soundstage rather than concentrating audio sources in just the front doors.
  • Aftermarket component sets with separate 1-inch tweeters and 4-inch midrange drivers would align with the factory configuration, potentially simplifying installation compared to coaxial designs.
  • The below-seat subwoofer position may limit installation options for larger aftermarket subwoofers, though it likely preserves trunk space compared to traditional rear-mounted configurations.