BMW X3 2004 TO 2008 Speaker Sizes:
Front door: 5.5"
Rear Door: 5.5"
Buick Enclave 2008 Speaker Sizes:
Front door: 6.75"
Rear door: 6.75"

Check out our Speaker Index page.
Here you can order good name-brand inexpensive replacement speakers that fit properly and sound good with an OEM or aftermarket radio.

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