In my personal opinion, only two threads are required read for anybody looking to upgrade their E46 sound system without major surgery, both in the car and in the pocket:
http://bimmer.roadfly.com/bmw/forums/e46m3/forum.php?postid=2786337&page=10
http://www.m3forum.net/m3forum/showthread.php?t=121826
Everything to know about the audio internals of the E46 is on those two threads. Without further delay, this is it...
Components:
A pillars: CDT Audio UpStage system UP-519XT .75" Titanium tweeters
Front doors: CDT CL-6 6.5" mid-woofers/CDT TW24 1" Silk tweeters/BSW 2.5"Midrange/CDT HD30 Three Way crossover
Rear: CDT CL-69 6"X9" woofers/CDT TW24 1" Silk tweeters/JL Stealthboxes with 8" Kicker 05C8-4 subwoofers
Equalizer: AudioControl EQS
Amp: JBL GTO755.6ii 6 Ch 560 Watts
Battery: Optima YellowTop Deep cycle
Planning and preparation:
MDF plank as trunk platform for the amp, EQ and crossovers/modules...
Bought used HK amplifier, removed the main connector and created custom harness...
Created custom MDF adapter rings for the front doors and HK subwoofer enclosure...
http://bimmer.roadfly.com/bmw/forums/e46m3/forum.php?postid=2786337&page=10
http://www.m3forum.net/m3forum/showthread.php?t=121826
Everything to know about the audio internals of the E46 is on those two threads. Without further delay, this is it...
Components:
A pillars: CDT Audio UpStage system UP-519XT .75" Titanium tweeters
Front doors: CDT CL-6 6.5" mid-woofers/CDT TW24 1" Silk tweeters/BSW 2.5"Midrange/CDT HD30 Three Way crossover
Rear: CDT CL-69 6"X9" woofers/CDT TW24 1" Silk tweeters/JL Stealthboxes with 8" Kicker 05C8-4 subwoofers
Equalizer: AudioControl EQS
Amp: JBL GTO755.6ii 6 Ch 560 Watts
Battery: Optima YellowTop Deep cycle
Planning and preparation:
MDF plank as trunk platform for the amp, EQ and crossovers/modules...
Bought used HK amplifier, removed the main connector and created custom harness...
Created custom MDF adapter rings for the front doors and HK subwoofer enclosure...