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April 10, 2010
I would assume theyre already good quality bc they are speakers that came installed in a BMW, but I do not know anything about speakers or sound quality. Of course i can always get better quality speakers, but would it be worth it if I spent $150-$200 to replace them?
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April 10th, 2010 at 12:59 am
If you are planning on keeping your original CD player in there, I would say it is not worth your time or money replacing the speakers. Factory CD players generally don’t have enough power to run aftermarket speakers efficently. Couple things I’d reccomend:
1. Add 4 channel amplifier and integrate it to your original system, then replace the speakers.
2. If you are just looking for more volume, consider adding a small single subwoofer in the trunk. Single 10″ sub, or a single 12″ sub.
3. Consider that if the 325i has a “Harmon Kardon” stereo system, it is amplified and will need to be bypassed if you change your original stereo.
April 10th, 2010 at 1:48 am
Actually, all BMW systems are amplified since the late 80′s. Most have multi-channel amps built by Philips with electronic crossovers for each speaker. If you have 10 speakers, there is a 10-channel amp.
The speakers are (oddly enough) often made by Nokia or AT&T.