4 ohm vs 8 ohm

goldfinger1 · 06-30-2012, 05:38 PM

I am looking at replacing the door speakers in a 2007 328 conv. I just need to know whether they are 4 ohm vs 8 ohm. It has the 10 speaker hifi system (not Harmon Kardon)

mob17 · 06-30-2012, 06:53 PM

4 ohm

mob17 · 06-30-2012, 08:12 PM

but i think the hifi woofers are 2 ohm. read the audio sticky to confirm this

ctuna · 06-30-2012, 09:21 PM

06-30-2012, 05:38 PM	#1
goldfinger1 New Member 1 Rep 7 Posts Drives: 2007 328 conv Join Date: Jun 2012 Location: upstate, ny iTrader: (0)	4 ohm vs 8 ohm I am looking at replacing the door speakers in a 2007 328 conv. I just need to know whether they are 4 ohm vs 8 ohm. It has the 10 speaker hifi system (not Harmon Kardon)
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06-30-2012, 06:53 PM	#2
mob17 Major General 400 Rep 5,623 Posts Drives: E92 335D Join Date: Mar 2012 Location: East Midlands, UK iTrader: (5)	4 ohm
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06-30-2012, 08:12 PM	#3
mob17 Major General 400 Rep 5,623 Posts Drives: E92 335D Join Date: Mar 2012 Location: East Midlands, UK iTrader: (5)	but i think the hifi woofers are 2 ohm. read the audio sticky to confirm this
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06-30-2012, 09:21 PM	#4
ctuna Lieutenant General 1926 Rep 13,134 Posts Drives: 325xi 06 wagon MT Join Date: Jan 2010 Location: Santa Cruz, Ca iTrader: (0)	Every speaker in the Hi Fi is 2 ohms Every speaker in the Hi Fi is 2 ohms see http://www.e90post.com/forums/showthread.php?t=641323 thats the major reason a speaker upgrade alone won't work. BMW stereo types http://www.e90post.com/forums/showthread.php?t=352586 http://www.e90post.com/forums/attach...2&d=1266451970 http://www.e90post.com/forums/attach...2&d=1260829447 http://www.e90post.com/forums/showthread.php?t=343673 http://www.e90post.com/forums/showthread.php?t=138949 http://www.e90post.com/forums/attach...2&d=1260829447 http://www.e90post.com/forums/attach...1&d=1209780605 http://www.e90post.com/forums/attach...1&d=1209780865 http://www.musicarnw.com/page-2/ http://www.e90post.com/forums/attach...4&d=1278871872 Although and actual physical measurement from the speaker wires for the doors comes in at 3 ohms.
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