2013 BMW X3 Speaker Sizes

The 2013 BMW X3 speaker size chart provides factory specifications for all audio system locations. Information covers speaker sizes in the center dash, d-pillar, front door panel, rear door panel, and below seats. Details include factory specifications to facilitate aftermarket replacement or upgrade installation.

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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 1 Tweeter
  • Requires dashboard disassembly
  • Medium replacement priority
  • Replacement difficulty: medium
Center Dash 4 Midrange
  • Requires dashboard disassembly
  • Medium replacement priority
  • Replacement difficulty: medium
D-Pillar 1 Tweeter
  • Extremely difficult access
  • Professional service only
  • Low replacement priority
  • Replacement difficulty: high
D-Pillar 4 Midrange
  • Extremely difficult access
  • Professional service only
  • Low replacement priority
  • Replacement difficulty: high
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 Door Panel 1 Tweeter
  • Standard installation
  • Medium replacement priority
  • Replacement difficulty: low
Rear Door Panel 4 Midrange
  • Standard installation
  • Medium replacement priority
  • Replacement difficulty: low

2013 BMW X3 Speaker Replacement Summary

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

Replacement difficulty:

Low: 4 Medium: 3 High: 2

Replacement priority:

High: 2 Medium: 5 Low: 2

2013 BMW X3 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 X3 contains multiple speaker locations distributed throughout the cabin, with tweeters and midrange drivers positioned in complementary areas to create a distributed sound field.
  • Tweeter locations include the center dash, D-pillars, and both front and rear door panels, all accepting 1-inch units that handle high-frequency reproduction.
  • Midrange drivers occupying 4-inch positions are found in the same locations as the tweeters, suggesting a component-style speaker configuration where frequencies are divided between dedicated drivers.
  • The subwoofer position below the seats accommodates an 8-inch driver, which typically handles low-frequency output while remaining relatively concealed within the cabin architecture.
  • Replacing the midrange speakers may produce noticeable changes in vocal clarity and instrumental presence, as these drivers handle the frequency range where most musical content resides.
  • The tweeter positions in both front and rear doors indicate that passengers throughout the cabin receive direct high-frequency sound rather than relying solely on reflected audio.
  • Component speaker systems designed for automotive use would align with this configuration, as they separate tweeters and midrange drivers rather than combining them into coaxial units.
  • The D-pillar locations for both tweeters and midrange drivers position sound sources toward the rear of the cabin, which may contribute to soundstage width and spatial characteristics.
  • Aftermarket speaker selection would need to account for the specific size requirements at each location, as the factory configuration uses three distinct speaker sizes across the audio system.