2016 BMW M4 Speaker Sizes

The 2016 BMW M4 factory audio system features specific mounting locations for various audio components. Center dash, front door panel, rear, and rear side panel locations accept 1 inch speakers and 4 inch units, while below seats locations accommodate an 8 inch speaker size. Compatible speaker types for a sound 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.

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 1 Tweeter
  • Secondary sound location
  • Medium replacement priority
  • Replacement difficulty: medium
Rear 4 Midrange
  • Secondary sound location
  • Medium replacement priority
  • Replacement difficulty: medium
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

2016 BMW M4 Speaker Replacement Summary

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

Replacement difficulty:

Low: 2 Medium: 7 High: 0

Replacement priority:

High: 2 Medium: 5 Low: 2

Additional Notes

  • The 2016 BMW M4 audio system incorporates a three-way speaker configuration with distinct size allocations for tweeters, midrange drivers, and subwoofers across multiple locations.
  • Tweeters at 1 inch are distributed throughout four separate positions, including the center dash, front door panels, rear locations, and rear side panels, suggesting a focus on high-frequency dispersion.
  • Midrange drivers at 4 inches occupy the same four mounting positions as the tweeters, indicating a component speaker arrangement rather than coaxial units.
  • The presence of 8 inch subwoofers positioned below the seats may provide low-frequency reinforcement without occupying trunk space.
  • Replacement speakers would need to match the three-way component format, with separate tweeters and midrange units rather than full-range alternatives.
  • The 4 inch midrange specification limits aftermarket options to speakers specifically designed for that size class, which typically handle frequencies between approximately 200 Hz and 4 kHz.
  • Sound improvement potential exists primarily through upgrading the midrange drivers and tweeters, as these handle the majority of vocal and instrumental content in most recordings.
  • The under-seat subwoofer location may present depth or mounting clearance considerations when selecting replacement units.
  • Component speaker systems matching this configuration would typically include crossover networks to divide frequencies appropriately between tweeters and midrange drivers.