05-17-2020, 11:16 AM | #1 |
Mr
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Audio upgrade options from stock 676
Hi, i kindly request your advice to upgrade audio, currently i have hifi 676 audio, i have been searching in forums and have these 2 options:
1) upgrade to DSP amplifier Match up7 bmw (835 usd), Upgrading Sub to Harman kardon (200 usd) and match stage 1 ( front door speakers and tweeters). Total Price about 1200 usd for this option 2) retrofit Harman Kardon option 688 surround. Cost about 1200 usd installation included. Thanks in advance Last edited by aspame82; 05-17-2020 at 11:30 AM.. |
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