07-10-2018, 08:37 PM | #1 |
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New Subwoofer install
Haven't shared much with my progress on my car as of yet, so here's my first.
Moved my line level adapter, Alpine MRVM500 over from my e92m3 and just bought the JL 12". I had a different JL set up in a pre fab sitting in the cargo area but wanted something that I could hide under the floor so I didn't have to pull the cargo cover closed all the time. Warning: this set up is LOUD. I still need to dial the gain back. It's ridiculous! |
07-11-2018, 10:32 AM | #2 |
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Nice.
I have the optional spare in my X5, so I have debated just adding in the amp and box that I took out of my WRX, just wasn't sure how hard it was to tie it into the stock system. Do you still have the underseat subs working, or does your system have them? |
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07-11-2018, 11:28 AM | #3 |
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Yeah everything works as stock I actually tapped into the under seat subs for the signal to my line level converter. If you have a small amp to fit in the cubby below the amp I. The left side wall everything is right there to tap into and the battery isn't far away either. Probably by far the easiest install ever.
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08-03-2018, 07:40 AM | #4 |
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Smonkbmw, How did you go about finding which wires to splice the Line Level adapter into? Why did you pick the under seat subs to tap into?
Im looking at a VERY similar setup but dont want to drop the extra 250 on install if its really just a couple key points to figure out. |
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08-03-2018, 08:21 AM | #5 | |
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Feel free to correct me if I'm wrong...I'm still an audio newbie. |
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08-05-2018, 07:45 AM | #7 |
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Nice looking set up. Any issues with the sub rattling the floor panel? I’ve got the same amp running a small 10” Pioneer box that had in my E90, it’s sitting on top of the floor panel. I want to upgrade to the JL Audio Steathbox which also installs under the floor like yours, but I’ve read some folks have issues with it rattling the floor panel, certainly don’t want that.
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'17 Porsche C4S Sapphire Blue Metallic / Bordeaux Red - Softronic tune - Soul Sport Cats - Soul Exhaust
'13 E70 X5M Black Sapphire Metallic / Bamboo Beige - Full Dinan Suspension - Dinan Exhaust - BPM Sport Tune - xHP Flashtool Transmission Tune |
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08-06-2018, 08:56 AM | #8 |
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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 |
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08-06-2018, 09:14 AM | #9 | |
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http://earthquakesound.com/index.php...fers/item/sws8 Couple of things to note:
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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08-06-2018, 10:51 AM | #10 | |
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OP: sorry for changing the subject of the thread a bit. Last edited by philly42; 08-06-2018 at 02:09 PM.. |
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08-06-2018, 11:00 AM | #11 | |
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08-10-2018, 09:13 AM | #12 | |
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philly, I don't remember if I used the factory grills or the ones that came with the speakers. I'd need to take a look. I do know with the seat in the normal position you can't even see the speakers. There are air vents that protrude from the floor pointed toward the rear seats so you'd basically need to move to move the seats all the way back. The only thing I was worried about was dirt or small rocks getting on to the cone/surround. |
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