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7 Series - E65 / E66 (2002 - 2008)
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  #1  
Old 08-27-2012, 04:21 PM
AUBURNTIGERFAN AUBURNTIGERFAN is offline
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Location: Brentwood, TN
 
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Mein Auto: 750Li
Inexpensive Sound Upgrade

So I just replaced my front center speaker and front tweeters and the improvement is significant. The front tweeters in BMWs are aluminum which is not the ideal material. I replaced them with these JL Audio Silk dome tweeters and the highs are much improved http://www.jlaudio.com/c5-075ct-car-...ossovers-99106.

I replaced the front center speaker with an Alpine coaxial (again with a silk dome tweeter) and am quite pleased with the overall result. http://www.alpine-usa.com/product/view/sps-410/

I had considered the Bavarian Soundwerks package, however, I don't think the mid-bass speakers would really add much over stock. The tweeters are where you should spend your money and the I believe the speakers I purchased are as good or better than the Bav Soundwerks...plus I got them all for about $150. Installation took about an hour - you'll have to remove fromt door trim panels to do it right. I can't wait for my drive to the office tomorrow
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  #2  
Old 08-27-2012, 05:58 PM
peefunk12 peefunk12 is offline
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Location: Falls Church VA
 
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Mein Auto: 2006 760Li
Awesome,! I have been thinking about doing the same. Thanks for the info. Did you do it yourself?

Sent from my SGH-T959 using Bimmer App
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Old 08-27-2012, 06:24 PM
AUBURNTIGERFAN AUBURNTIGERFAN is offline
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Sure did. Not hard at all. I had to modify the Alpine Speaker to a 3 tab (vs. the 4 that were on it). I simply sawed 2 off and then epoxied one in the correct location. For the tweeters, you'll have to pull your door panels off and then fit the new tweeters into the housing. Definitely worth the effort and money.
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Old 08-27-2012, 07:54 PM
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pepe65 pepe65 is offline
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Location: Greencastle Pennsylvania.
 
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Mein Auto: 745.750.x5.350z.ram1500v8
do you know if their is an alternative to replacing the l7 amp that is much cheaper?
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Old 08-28-2012, 08:38 AM
AUBURNTIGERFAN AUBURNTIGERFAN is offline
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Sure don't.
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Old 08-29-2012, 08:26 AM
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roadfrog roadfrog is offline
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Good job. I've always said (as have othe Bimmer owners), that the weak spot in BMW sound was the tweeters. Very dull. One day, it will be in my upgrades. My wife's X5 tweeters are even worse.
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Old 09-04-2012, 06:46 PM
rippjd rippjd is offline
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Quote:
Originally Posted by pepe65 View Post
do you know if their is an alternative to replacing the l7 amp that is much cheaper?
I believe the original amp IC's in the ASK and Logic7 amp are Class-B. Swaping to Class-AB amp IC's should improve the sound. I've currently done this for the left channel in my ASK, but can't really compare as the left channel was always dead.
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