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Originally Posted by GreyMatter
I read through the laser repair DIY ( http://www.xoutpost.com/articles/all...-nav-unit.html) and am planning to use it to fix my dead laser on an mk3 unit in my 2002 M3.
I was wondering if it would be possible to upgrade my MK3 to an MK4 by just replacing the DVD drive inside with an MK4 version (PN 65 83 9 241 764). This is the DVD-M3-4.6 drive.
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No.
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Would this work or are there other differences between the MK3 and MK4 other than the DVD drive itself?
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Considerable, they are completely different modules, the only thing they share is the what they look like.
Different hardware and different software.
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Sept 03, M3, Silver Grey. Retro-fits: Modded Mk4 DVD Drive, OEM Bluetooth, VR Control, Rainbow Speaker Upgrade, Sony SOT Amp, HK Sub, CCFL, Intravee II, NightMode.
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