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      08-06-2018, 09:14 AM   #9
El Wray
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Drives: AW X6M
Join Date: Jul 2016
Location: SFBA

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Quote:
Originally Posted by philly42 View Post
I think my X5M has subs under the driver and passenger seat. Has anybody swapped those out for a more powerful sub speaker with it's own amp?
The stock subs seem to be 8 inch.

This one is plug-n-play. But I would want something more powerful with its own amp.
https://www.bavauto.com/bmw-subwoofer-t3bmwsub
I swapped in these:
http://earthquakesound.com/index.php...fers/item/sws8

Couple of things to note:
  • You will need a thin ring spacer to provide prevent the sub from bottoming out
  • I used this to retain factory amp and have every thing be plug & play: https://technicpnp.com/product/sws-8...er-connectors/
  • You'll need to remove all seat bolts to tilt the seat back for access
  • You might need to tinker a bit if you want to keep the stock grill and give enough air between sub, grill and the seat

Overall I was happy with the swap. I chose to go with the "8xi" instead of the "8x" to try and avoid needing an aftermarket amp. The 8xi is 2 Ohm while the 8x is 4 Ohm. The drawback is that if you listen to music loud for a prolonged period the sub will eventually start to distort, I'm assuming to amp issues. At average volume it's fine for any duration. It isn't going to rattle any windows but it's a pretty good upgrade over stock.

I have a good sub and amp I'd like to throw in.. But I have yet to find a nice factory looking enclosure that'll fit in my storage compartment or mounted to the side. Not really that motivated on custom fiberglass. The aftermarket stuff seems to be E70 specific, and then again, only those that retained the factory spare tire.. Not vehicles with a storage organizer.
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