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      04-19-2010, 02:57 AM   #10
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Originally Posted by fll_punk View Post
I assume these oem's are the 8"?
Would they replace the crummy 6.5"s in my 135i?
Although the HiFi 8" would fit in the Stereo 6.5" enclosures of your 135i, their impedance is quite different (2 ohms vs. 4 ohms). That will make your 135i sound system to work harder (lower impedance) than what it is designed for as the woofers are connected in parallel to the 4 ohms door mids, and could eventually damage your OEM HU/iDrive amp IC outputs.
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