Quote:
Originally Posted by KingOfJericho
HK was only an option for 2011+ and it has a harman/kardon logo on the speaker grilles.
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I'm pretty sure HK was offered for my 2010 (N54) 135i. There was just the base stereo and the HK for my 2010. OP - the easiest way to tell IF you have HK is if your car has the tweeters next to your door mirrors.
Older 1er's had three systems:
Base
HiFi
and Top HiFi (HK)
From another audio thread...
http://www.1addicts.com/forums/showthread.php?t=502896
Quote:
Originally Posted by hwelvaar
"Stereo" (the base audio) does have 6 speakers total, with 6" speakers under front seats, stereo-channel amplifier, and analog cabling.
"HiFi" is no longer available in 2011 MY cars.
"Top HiFi" (with Harman Kardon) does have 10 speakers total, with 8" woofers under front seats, with 9 channel amplifier, including 2 subwoofer channels, and fibre optic digital audio cabling.
http://www.bmw.harmankardon.com/en/vehicles/model02/technical-coupe.aspx
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here are two BMW pdf's that might be of interest to you...
Audio systems_ E87, E90, E91, E92.pdf
audio_harman_kardon_bmw_1_series.pdf