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Discussion Starter #1
Just got a 135i and I'm looking for the best I can get under there. I really don't even know what that'd be. Lol.

Hook me up!






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Kicker SSMB8's or RMB8's fit I'm pretty sure. There is an earthquake sub that is a direct replacement, and some other brand i can't remember the name of.
 

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Discussion Starter #4
Did you check e90post.com and m3post.com and the 1 series forum ?
Yeah. I've been reading and searcing as much as I can.

Kicker SSMB8's or RMB8's fit I'm pretty sure. There is an earthquake sub that is a direct replacement, and some other brand i can't remember the name of.
It seems the Kickers are discontinued and would need some modifications anyway. And if I modify the enclosure, it'd be for someting other than Kicker. The Earthquakes look "ok", I guess. I can't figure out where to buy the Jehnharts. The HAT's are still in testing and are apparently a midbass, not a "sub." The BSW's don't come with a sub.

The Illusion carbons look like the best bet, but I don't know anything about them other than the fact that Illusion is awesome?

I hear tell that Morel may fit, but I dunno which ones or whatever. Read something about Dynaudios too? All the pics I find are "image no longer exists" from old ass posts.

Gladen/AudioSystems makes a whole drop in set, but where the eff do I buy? So frustrating.
 

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A little more info. The Illusion Carbon is more of a true midbass than I believe what you're looking for. The Gladen underseat woofers or the full 3 way kit are quite impressive. Let me know if you have any questions.


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Discussion Starter #8
A little more info. The Illusion Carbon is more of a true midbass than I believe what you're looking for. The Gladen underseat woofers or the full 3 way kit are quite impressive. Let me know if you have any questions.


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Thanks for the reply. PM'ed.
 

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i have a co-worker who managed to get the pioneer shallow 8's under the seat of his 2008 coupe...so I guess that's another option.
 

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Discussion Starter #11
even if they have been discontinued, I believe the Aura shallow 8" is a great subwoofer.


NRT motor means clean, clear tones if you like that sort of thing. It may not be the most efficient as per npdang testing but there never was a test of the 8 ohm version done, and I believe the McIntosh F40 sub is the 4 ohm version, which was in the shootout. That has not been verified however.

you might get lucky on a WTB thread, or find some online.
CAn't find them anywhere. I'll keep looking though.

i have a co-worker who managed to get the pioneer shallow 8's under the seat of his 2008 coupe...so I guess that's another option.
They look ok. Might go there.


Knowing how awesome the Stereo Integrity BM is as a shallow sub, I emailed Nick and half jokingly asked him to make me one in 8" flavor. He replied very quickly that he actually had one in the works! Say what!?

Umm... XBL^2, 2.25" mount depth and 11mm of xmax? Do want.

 

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IIRC, a lot of drivers have a tough time under the seats as it is a pretty small encolsure area unless you do some mods to the area to open it up a bit.
 

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IIRC, a lot of drivers have a tough time under the seats as it is a pretty small encolsure area unless you do some mods to the area to open it up a bit.
Most BMWs are vented into the rocker panel.
 

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just get the earthquake sws-8 from ebay
get the 2 or 4 ohm version depending on which amp you will use
and get Technics harness so the whole install is plug and play

my suggestion is to skip upgrading those and get a trunk sub
those underseats will never put out a lot of bass
i added a 10" JL sub in a corner mount box on my E92 when i had it
and it made a HUGE difference
 

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Discussion Starter #19
what about a helix Shallow 8?
I hear they don't work. Someting about the basket? I don't know but I was looking at them.

just get the earthquake sws-8 from ebay
get the 2 or 4 ohm version depending on which amp you will use
and get Technics harness so the whole install is plug and play

my suggestion is to skip upgrading those and get a trunk sub
those underseats will never put out a lot of bass
i added a 10" JL sub in a corner mount box on my E92 when i had it
and it made a HUGE difference
Arg. I know I'll end up going that route.

I have two BNIB Earthquake 8's 2ohm version. Was going to put them in my M6 but im going to get rid of the car. PM me if interested.
PM'ed
 
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