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E90/E91/E92/E93 (2006 - 2013)
The E9X is the 4th evolution of the BMW 3 series including a highly tuned twin turbo 335i variant pushing out 300hp and 300 ft. lbs. of torque. BMW continues to show that it sets the bar for true driving performance! -- View the E9X Wiki

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Old 07-28-2014, 02:06 PM
giup13 giup13 is offline
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Location: massachusetts
Join Date: Aug 2013
Posts: 29
Mein Auto: 328 xi
Audio Upgrade Installtion

Hey looking to see if anyone knows a well respected shop that works well on BMW audio upgrades in Massachusetts.

Any info is much appreciated.

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Old 07-28-2014, 02:29 PM
Wongway Wongway is offline
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Location: Pittsburgh
Join Date: Sep 2009
Posts: 960
Mein Auto: 2011 E90
Get yourself educated here...

There's a few quirks with our e90's that require a little extra attention depending on what audio system you're starting with. Most shops literally have no clue about this. I live in the Pittsburgh area and really never found a shop that really knew what they were talking about when it came to our vehicles.

There's lots to take into account, such as:
1) Base audio? HiFi audio? L7 Audio? etc. Each of these requires different connections to take into account.
2) Speaker fitments?: For example, our door speakers are 4" and only a few manufacturers make the proper sizes to drop in and fit since they have a rather shallow opening. It's made worse if you had a coupe.

Those are just two examples and most shops don't have a clue.
Really educate yourself, then start figuring out what you might want in your vehicle.
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