1982 BMW 733i Speaker Sizes
The 1982 BMW 733i factory audio system features specific mounting locations for audio components throughout the cabin. Specifically, the front kick panel accommodates a 4x6 inch speaker size, while the rear deck lid supports 5.25 inch units. When considering an acoustic replacement upgrade, full-range and midbass are compatible speaker types.
Specific details regarding locations, speaker sizes, and types are outlined in the compatibility chart.
| Location | Size | Type | Notes |
|---|---|---|---|
| Front Kick Panel | 4x6 | Full-Range |
|
| Rear Deck Lid | 5.25 | Midbass / Full-Range |
|
1982 BMW 733i Speaker Replacement Summary
2
total positions
1
easy to replace
0
high priority
0
professional only
Replacement difficulty:
Low: 1 Medium: 1 High: 0Replacement priority:
High: 0 Medium: 2 Low: 01982 BMW 733i 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 1982 BMW 733i front kick panel locations accommodate 4x6 inch speakers, which are designed as full-range units to handle the entire frequency spectrum from a single driver assembly.
- Rear deck lid positions accept 5.25 inch round speakers that can function either as midbass drivers focused on lower frequencies or as full-range speakers handling broader audio output.
- Kick panel speakers typically serve as the primary sound source in this configuration, though their smaller 4x6 form factor may limit low-frequency extension compared to larger drivers.
- The dual compatibility of rear deck speakers suggests flexibility in system design, allowing either dedicated midbass support for a component setup or standalone full-range operation.
- Factory speaker replacement might prioritize the front locations due to their direct firing angle toward occupants, though rear fill contribution affects overall cabin balance.
- Full-range speakers in kick panel applications attempt to reproduce all frequencies but may exhibit compromises in bass depth and treble extension compared to component systems.
- The 5.25 inch rear speakers offer greater cone area than the front 4x6 units, potentially providing improved bass response when configured as midbass drivers.
- Single DIN radio compatibility indicates standard head unit replacement options, though this relates to source equipment rather than speaker performance characteristics.