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With the enclosure installed, you can now re-install the carpeted paneling of the trunk. Be sure and leave the 

amplifier wiring harness exposed approximately 10” from the top portion of the driver’s side carpet when you 

reinstall the carpet. 

This re-installation process can be a bit tricky, as the enclosure now impedes some of your ability to 

effortlessly insert the carpeted panels back into the trunk. Being careful not to damage the subwoofer, 

maneuver the paneling back into the trunk and reconnect all wiring and fasteners as they were originally 

found.

Amplifier Tuning

Head up to the front of the car and turn on the stereo. Put in your favorite CD (not a burned CD, but one that 

was professionally mastered and recorded), and tune in to your favorite track. We recommend using a very 

dynamic type of music, with many types of musical variations within the CD. Make sure that your bass 

settings on your radio are set in the middle or slightly lower. This will decrease distortion and increase the 

overall sound quality in the vehicle.

Make sure all bass and treble settings on your radio are flat, or in the middle.

We’ve roughly adjusted the settings on the amplifier at the factory, but you’ll want to fine tune things 

based on your own listening preferences and sensitivities. 

Gains: 

Begin turning up the volume until you hear the music at a reasonable level and increase the volume slightly 

up to the point that you begin to hear distortion coming from your interior speakers. Now, back down the 

volume until the distortion disappears and stop there. Head back to the trunk and slowly begin adjusting the 

gain(s) of the amplifier until you are content with the amount of bass being produced by the subwoofer 

without any audible distortion of the woofer. Make sure that this blends in with the rest of the music, and 

you’re on your way to a rich, full sound.

When adjusting the amplifier gains, do everything in very small increments

Make sure that you 

increase both gain control knobs at the same rate. 

We recommend 1/8

th

 turn adjustments of the gain to find that sweet spot where there is no distortion and 

 

 

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Any reproduction, distribution, modification, or dissemination of these instructions without written permission from Bavarian Soundwerks is 

expressly forbidden and a violation of international copyright law.  Any violation will result in prosecution to the full extent available under the 

law!

© Bavarian Soundwerks, LLC.

2195 Defoor Hills Rd., Suite D, Atlanta, GA 30318

P: 404.963.8857 | 

www.bavsound.com

 

Summary of Contents for BMW E46

Page 1: ...e the four 8mm bolts that secure each enclosure to the rear deck and tuck the wiring harnesses back into the rear deck 1 Begin by removing all items from the trunk of the vehicle Make sure that all ta...

Page 2: ...nel Remove these using your panel removal tool 6 DO NOT Remove the two fasteners on either side of the rear of the carpeted panels where the three panels seemingly come together You will need to remov...

Page 3: ...process You ll want to make sure and put the trunk lining back in before you install your subwoofer enclosure However make sure that you have all wiring connections completed before you re install the...

Page 4: ...are connected should you install the included fuse into the in line Ground Wire Large Gauge Black Wire We recommend using the factory grounding point shown above right on the outer wall on the driver...

Page 5: ...ck approximately of the insulation from the wires exposing the copper wiring itself twist one side of the factory wire that you cut in half together with either the included blue remote turn on wire o...

Page 6: ...tory amplifier Blue w Black Stripe twisted with Brown w Orange Stripe Yellow w Black Stripe twisted with Brown w Orange Stripe 3 Now orient yourself with the Line Output Converter that you received wi...

Page 7: ...e more time being sure to verify colors are correctly matched and correct any mistakes if present 5 Go ahead and plug in your RCA cables into the LOC and then clean up your work with a couple of the s...

Page 8: ...release latches Remove the latch bolts with an 8mm nut driver Carefully pry the latch from its clips in the rear deck This will reveal the front mounting holes for the new D110 enclosure Also fold dow...

Page 9: ...en placed over each knob bolt combo bolt through the washer Place one of the quick release knob bolt combos into one of the exposed seat release mechanism holes 6 With the enclosure secured you can no...

Page 10: ...u Insert the front brackets Side with BSW logo into the holes shown below Now push the enclosure towards the rear of the car opening of the trunk as far as you can and lift the rear side closest to ca...

Page 11: ...in enhancing the overall listening experience To do this simply knock out the metal rectangle shown below using either your fists be careful or some sort of blunt object rubber mallet etc There is a v...

Page 12: ...n the amplifier at the factory but you ll want to fine tune things based on your own listening preferences and sensitivities Gains Begin turning up the volume until you hear the music at a reasonable...

Page 13: ...correct remote turn on wire This is a very common oversight Set your DMM to direct current and place one lead on the ground terminal of your amplifier and one on the remote turn on terminal Turn the...

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