2013 BMW 335is Speaker Sizes

The 2013 BMW 335is speaker size chart lists factory speaker locations and specifications for audio system components. Information includes front door panel, rear side panel, center dash, rear deck lid, and below seats positions. Details support replacement or aftermarket upgrade planning by identifying where speakers are installed and what factory sizes are used in each audio system location.

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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
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 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 0.75 Tweeter
  • Requires trim removal
  • Medium replacement priority
  • Replacement difficulty: medium
Rear Side Panel 4 Midrange
  • Requires trim removal
  • Medium replacement priority
  • Replacement difficulty: medium

2013 BMW 335is Speaker Replacement Summary

8 total positions
3 easy to replace
2 high priority
0 professional only

Replacement difficulty:

Low: 3 Medium: 5 High: 0

Replacement priority:

High: 2 Medium: 3 Low: 3

2013 BMW 335is Radio Slot Size (DIN)

DIN Type Size (inch) Size (mm) Notes
Single DIN or Double DIN 7"×2" or 7"×4" 180×50 or 180×100 Vehicle supports both radio sizes
  • Always measure the slot before purchasing a new radio
  • Check slot depth - it may vary

Additional Notes

  • The 2013 BMW 335is audio system incorporates a multi-driver configuration with dedicated tweeters, midrange speakers, and subwoofers positioned throughout the cabin for distributed sound reproduction.
  • Tweeter locations include the front door panels with 1 inch units and rear side panels featuring both 0.75 inch and 1 inch drivers, suggesting a tiered approach to high-frequency dispersion.
  • Midrange speakers at 4 inches are distributed across four locations: center dash, front door panels, rear deck lid, and rear side panels, potentially providing broad coverage of the mid-frequency spectrum.
  • The below-seats placement of 8 inch subwoofers may offer space-efficient bass reinforcement while maintaining cargo and passenger areas.
  • Upgrading the midrange drivers could yield noticeable improvements in vocal clarity and instrumental definition, given their prevalence across multiple cabin positions.
  • The tweeter sizes vary between locations, which might indicate frequency range optimization based on acoustic positioning within the interior space.
  • Component speaker systems designed for these specifications would likely require separate crossover networks to manage frequency distribution among the tweeters and midrange units.
  • The radio supports both Single DIN and Double DIN head unit installations, providing flexibility for aftermarket audio system integration.
  • Factory speaker replacement in the front doors would involve addressing both the 1 inch tweeter and 4 inch midrange components for complete driver renewal.
  • The rear side panels house three separate drivers at different sizes, suggesting this location serves as a multi-way speaker assembly point.