BMW M6 Speaker Size
Speaker size, type, and location chart for BMW M6 models from 1987 to 2018 production years.
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Rear Deck Lid Speaker
| Years | Type | Size (inch) |
|---|---|---|
| 2013 - 2017 | Tweeter | 1 |
| 2006 - 2017 | Midrange | 4 |
| 1987 - 1988 | Midbass / Full-Range | 6.5 |
Rear Side Panel Speaker
| Years | Type | Size (inch) |
|---|---|---|
| 2006 - 2018 | Tweeter | 1 |
| 2006 - 2018 | Midrange | 4 |
Center Dash Speaker
| Years | Type | Size (inch) |
|---|---|---|
| 2012 - 2018 | Tweeter | 1 |
| 2006 - 2018 | Midrange | 4 |
Front Door Panel Speaker
| Years | Type | Size (inch) |
|---|---|---|
| 2006 - 2018 | Tweeter | 1 |
| 2006 - 2018 | Midrange | 4 |
Below Seats Speaker
| Years | Type | Size (inch) |
|---|---|---|
| 2006 - 2018 | Subwoofer | 8 |
Dashboard Speaker
| Years | Type | Size (inch) |
|---|---|---|
| 1987 - 1988 | Midrange | 4 |
BMW M6 Speaker FAQ
Which speakers should I replace first in my BMW M6 for the biggest sound improvement?
Start with the front door panel speakers - specifically the 4 inch coaxial components. These handle most of your mid-range frequencies and vocals. The front positioning means you'll notice changes immediately. Replace both the 4 inch component speakers and 1 inch tweeters as a matched set. The door location typically offers better mounting depth than dashboard positions, allowing for higher-quality drivers with more power handling around 75-100 watts RMS.
Can I upgrade the 8 inch subwoofer under the seats in my BMW M6?
Yes, but verify your mounting depth first. The under-seat location in the M6 usually limits you to shallow-mount subwoofers with mounting depths under 3 inches. Look for 8 inch subs rated around 150-200 watts RMS at 4 ohms. The factory amplifier might need bypassing depending on impedance matching. Sealed enclosures work better in this tight space than ported designs.
Should I replace the center dash speakers in my BMW M6?
The center dash speakers mostly handle dialogue and center channel information. Priority depends on your listening habits. If you frequently use the sound system for calls or movies, upgrade the 4 inch full-range speaker first. The 1 inch tweeter can wait. Center positioning helps with stereo imaging but... honestly, front door upgrades will probably give you more noticeable improvement for the money spent.
What's the difference between coaxial and component speakers in the BMW M6?
Component speakers separate the tweeter and woofer into different drivers, typically offering better sound quality. The M6's front doors use 4 inch component setup with separate 1 inch tweeters. Coaxial speakers combine both in one unit - simpler installation but potentially compromised performance. The rear locations use mostly coaxial full-range designs, probably due to space constraints and cost considerations during manufacturing.
How do I know if my BMW M6 rear deck speakers need replacing?
Test the rear fade function first. The rear deck has both 4 inch coaxial speakers and 1 inch tweeters. Listen for distortion at moderate volumes around 60-70% system volume. Rattling usually indicates worn surrounds on the 4 inch drivers. High frequency loss suggests tweeter problems. The rear deck location experiences temperature extremes that can accelerate speaker deterioration, especially the rubber surrounds.
Can I install larger speakers in my BMW M6 dashboard location?
No, the dashboard speakers are limited to 4 inch diameter. The mounting depth is also restricted in dash locations. Focus on higher quality 4 inch speakers rather than trying to fit larger ones. Look for speakers with neodymium magnets - they're more compact but deliver similar performance to larger ceramic magnets. Power handling around 50-75 watts RMS should be sufficient for dashboard positioning.