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  1. F22 / F23 2 Series (2014 - Current)
    I am the white BMW F23 convertible I just bought in May this year. Because of the low supply, this car does not have the sound system of Harman Kardon. I feel very sorry. My friend introduced me to buy BIMMERTECH's Alpha No. 1 speaker (including a pair of tweeters, a pair of mid-range speakers...
  2. X5 F15 (2014 - 2018)
    Title says it, i bought the amp used. I was wondering if any body has nice tune for the amp with a similar setup to mine.
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