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      06-14-2014, 02:11 PM   #1
EM58NDS 135i
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Drives: 2012 M135i
Join Date: Mar 2014
Location: UK

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Is the BMW Alpine Kit an upgrade for me?

According to the original paperwork from the dealer, my UK 2008 135i came with the BMW Business - Loudspeaker System. I'm not entirely sure what this means?

My HU consists of both the CD & DVD drive, and looks like this:-



While my stereo system appears to consist of 2 tweeters in the door mirrors area, 2 mids in the front doors, 2 subs under the seats and 2 mids on the parcel shelf. I have no idea if it has an amp, it does sound fairly good i have to say, but if i can make it better i will.

I was wondering if my car would benefit from upgrading to the Alpine HiFi kit, as seen here:- http://www.ebay.co.uk/itm/1910216731...84.m1423.l2649

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      06-17-2014, 02:06 PM   #2
Horigan
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Drives: 2011 135i M-Sport
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Location: Seattle WA, USA

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If you have door tweeters, I think you already have it. You can confirm by finding the amp under the floor of the trunk, on the forward left side.
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