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Space Saving Subwoofer Setup but want my trunk space

13K views 14 replies 7 participants last post by  bigjae1976  
#1 ·
Upgrading to a Subwoofer Setup but want to save trunk space

How is everyone doing? I am looking to upgrade the Harmon Kardon Sound System on my M3. It is horrible in my opinion. I looked at the BSW setups for both the interior and subwoofer setups, both which I seriously considered. I also visited my local stereo shop and they are leaning me in another direction.

Changing my Front Speakers to the JL Audio C5-650 2-way system.
The Rear Speaker to the JL C5
Adding a JL Audio HD900/5 5ch amp
And a JL Audio 13TW5-3 as my subwoofer.

My question has to deal with my subwoofer setup. I would like to do some tricked out subwoofer setup, HOWEVER I don’t want to weigh down my car, nor do I want to lose my trunk as my primary concern is performance. I was thinking about something similair to the BSW box with some sort of plexiglass on the side and some lights in the glass so you could see the sub moving. Possibly with BMW etched on the plexi. Or a shallow box along the back seats of the car.
Similar to the one shown in the below link…however much more shallow like the one that JL Makes for the e90/92 shown in the second link. But I would like the plexi across the front and the back so if I folded down the seats you can see it moving. And etching along the back of the box with some lights in it as well.
http://www.zenclosures.com/BMW_3_Series_Subwoofer_Box_p/bmw39905.htm
http://mobile.jlaudio.com/products_stealthbox_detail.php?fit_id=1608

I don’t know if after something like this is done if you can still temporarily remove the box? For example if I needed to fold down my seats and transport something, but that is nice to have. Not absolutely neccisary but nice to have.
With either setup I haven’t decieded if I want 1 or 2 subs. But I know I need something. I don’t want to be heard 2 blocks away waking up the neighbors and the dead. Just something that sounds nice. I had my car in for servicing (would you believe the day after I brought it). But they gave me a 328i coupe as a loaner, and the stereo sounds soooooo nice in it. So obviously I must upgrade.

I finally considered using my spare tire space. This is my least favorite option. Although the M doesn’t come with a spare. I planned on making my own spare tire solution.

Any suggestions, preferably pics of setups and suggestions would be GREAT.
Thanks in advance for all your help.

The Kid
 
#2 ·
sounds like it'll be a sick setup when you're done.

i just built my first box out of MDF shaped similarly to Zenclosures' box and love it--i was able to fit three sets of golf clubs in my trunk without too much of a problem, plus room for a cooler....

the weight of my enclosure (though not too heavy) plus a pair of large hand-screws that i tapped into the upper bracing of the joint between the seats and the rear deck hold it in place very well. plexi will make it a little bit lighter, but you should be able to find a solution for removing it, provided that you have some type of terminal you can access to remove the wiring. if you go for 2 13"s, you might be hard pressed to find a removable solution that's clean and will make sure you're not losing any of your power to unwanted vibrations.

best of luck!
 
#3 ·
#5 ·
Do you need 2 subs? I am and old guy now (31) and just have 1 sub and it puts out plenty of lows. If you go the 1 sub route you could do a custom box over the battery or buy a wickedcas box. (http://www.wickedcas.com/product.php?productid=11&cat=10&page=1) I made my own and I have been happy with it:
I really don't know if I need 2 subs. You and I are about the same age. However I still do want a little bit of Pizzaz or flash in my trunk. Thats why I like the plexiglass and the lights. I have seen this setup before and it is functional. However it covers my battery. Not to mention it really isn't flashy.

Thanks for the post and thanks for the pic.

The Kid
 
#8 ·
I seriously thought about the BSW systems...both the in car speaker replacements and the subwoofer. But I wasn't to sure on the sound quality.

I've heard too many times you get what you pay for... and you buy cheap and you buy twice. Plus I don't know if people are really being objective with there reviews of it. What are we comparing it to? :dunno:

Thanks for the help
The Kid
 
#10 · (Edited)
Actually I am in the NYC area. About 1 hour 10 mins outside the city. I looked up there site but they have no pics posted.:facepalm: I would love to see there work before I take a hour plus drive out to them.

I will give it some thought. Have you used them before?
 
#14 ·
Oh, and I forgot to mention that we also just so happen to engineer them for your exact BMW, spending countless hours fine-tuning it for incredible sound quality before you ever receive it.

Sheesh, and we've been talking about DROPPING prices. Maybe we should raise them?! ;)